Ethio Construction Engineering
๐แจแฃแแแ แจแแ แ ๐ซGENERAL KNOWLEDGE ON CONSTRUCTION 21. Clear cover for rebar in beams is typically 25mm. 22. Clear cover for rebar in slabs is typically 20mm. 23. Standard consistency of cement paste is about 30%. 24. The fineness modulus of fine aggregateโฆ
๐แจ แตแแแต แจแแ แ
๐ซGENERAL KNOWLEDGE ON CONSTRUCTION
41. A cantilever beam is fixed at one end and free at the other.
42. Fixed-end moments are moments developed at fixed supports.
43. Bending stress in a beam is calculated using the formula ฯ = My/I.
44. Torsion in beams is caused by twisting moments or torques.
45. A simply supported beam has supports at both ends.
46. The moment of inertia of a rectangular section is bdยณ/12.
47. Deflection in beams can be calculated using integration methods.
48. Reinforcement bars should be free of rust and other contaminants.
49. Development length is the length required to transfer stress to concrete.
50. Hooked bars are used to anchor reinforcement in concrete.
51. A truss is a structure composed of members arranged in triangles.
52. Load-bearing walls transfer loads from floors and roofs to foundations.
53. Shear walls resist lateral forces such as wind and earthquakes.
54. Moment-resisting frames provide lateral stability to structures.
55. Expansion joints allow for thermal expansion and contraction in structures.
56. Pre-tensioning and post-tensioning are methods of prestressing concrete.
57. Masonry walls can be constructed using bricks, blocks, or stones.
58. Mortar is a mixture of cement, sand, and water used in masonry.
59. The typical thickness of a residential slab is 125mm.
60. The minimum reinforcement in slabs is 0.12% of the cross-sectional area.
๐ฒแแแแแแ แ แตแฐแซแจแตแ แฅแ แแณแฅแ แญแปแแแ!
๐แ แตแซ แฅแ แจแจแณแแฝ แแแแ แ แต แปแแ แแแแแแ๐ @ETCONpWORK
๐ฉแแฝแแแ แซแฐแก @ETCONpBOT
๐ซแฒแญแถแญ:๐
www.tiktok.com/@etconp7
@etconp
๐ซGENERAL KNOWLEDGE ON CONSTRUCTION
41. A cantilever beam is fixed at one end and free at the other.
42. Fixed-end moments are moments developed at fixed supports.
43. Bending stress in a beam is calculated using the formula ฯ = My/I.
44. Torsion in beams is caused by twisting moments or torques.
45. A simply supported beam has supports at both ends.
46. The moment of inertia of a rectangular section is bdยณ/12.
47. Deflection in beams can be calculated using integration methods.
48. Reinforcement bars should be free of rust and other contaminants.
49. Development length is the length required to transfer stress to concrete.
50. Hooked bars are used to anchor reinforcement in concrete.
51. A truss is a structure composed of members arranged in triangles.
52. Load-bearing walls transfer loads from floors and roofs to foundations.
53. Shear walls resist lateral forces such as wind and earthquakes.
54. Moment-resisting frames provide lateral stability to structures.
55. Expansion joints allow for thermal expansion and contraction in structures.
56. Pre-tensioning and post-tensioning are methods of prestressing concrete.
57. Masonry walls can be constructed using bricks, blocks, or stones.
58. Mortar is a mixture of cement, sand, and water used in masonry.
59. The typical thickness of a residential slab is 125mm.
60. The minimum reinforcement in slabs is 0.12% of the cross-sectional area.
๐ฒแแแแแแ แ แตแฐแซแจแตแ แฅแ แแณแฅแ แญแปแแแ!
๐แ แตแซ แฅแ แจแจแณแแฝ แแแแ แ แต แปแแ แแแแแแ๐ @ETCONpWORK
๐ฉแแฝแแแ แซแฐแก @ETCONpBOT
๐ซแฒแญแถแญ:๐
www.tiktok.com/@etconp7
@etconp
๐22โค2
๐Bricks
๐ซBricks are a type of building material typically made of concrete, sand, lime, or clay. They are generally used to construct walls, pavements, and other types of architecture.
๐งBricks can be produced in a variety of shapes and types depending on the materials used to make them and the use for which they are intended.
โบIt is because of their sturdiness, strength, and fire resistance, that they continue to be a popular building material.
โญ๏ธDifferent types of bricks
1. Sun-dried bricks
2. Burnt clay bricks
1) First class bricks
2) Second class bricks
3) Third class bricks
4) Fourth class bricks
3. Fly ash bricks
4. Concrete bricks
5. Engineering bricks
6. Calcium silicate bricks
7. Eco bricks
โถ๏ธBricks can be identified by their size, colour, texture, and sound.
https://t.me/ETCONpWORK
@etconp
๐ซBricks are a type of building material typically made of concrete, sand, lime, or clay. They are generally used to construct walls, pavements, and other types of architecture.
๐งBricks can be produced in a variety of shapes and types depending on the materials used to make them and the use for which they are intended.
โบIt is because of their sturdiness, strength, and fire resistance, that they continue to be a popular building material.
โญ๏ธDifferent types of bricks
1. Sun-dried bricks
2. Burnt clay bricks
1) First class bricks
2) Second class bricks
3) Third class bricks
4) Fourth class bricks
3. Fly ash bricks
4. Concrete bricks
5. Engineering bricks
6. Calcium silicate bricks
7. Eco bricks
โถ๏ธBricks can be identified by their size, colour, texture, and sound.
https://t.me/ETCONpWORK
@etconp
๐16
PHP:- This typically refers to the type of steel used in the rebar. In this context, it denote a specific brand or manufacturer designation for the rebar.
TMT:- This stands for Thermo-Mechanically Treated steel.
TMT bars are produced through a process that involves heating and rapid cooling, which enhances their strength and ductility compared to conventional steel bars.
The TMT process results in a composite structure with a tough outer layer and a softer core, providing better performance under stress.
500:- This number indicates the yield strength of the rebar in megapascals (MPa).
A yield strength of 500 MPa means that the rebar can withstand stresses up to this limit before deforming permanently.
Higher numbers indicate stronger steel, making it suitable for various construction applications where high tensile strength is required.
20:- This figure usually represents the diameter of the rebar in millimeters (mm)
Therefore, โ20โ indicates that this particular rebar has a diameter of 20 mm
@etconp
TMT:- This stands for Thermo-Mechanically Treated steel.
TMT bars are produced through a process that involves heating and rapid cooling, which enhances their strength and ductility compared to conventional steel bars.
The TMT process results in a composite structure with a tough outer layer and a softer core, providing better performance under stress.
500:- This number indicates the yield strength of the rebar in megapascals (MPa).
A yield strength of 500 MPa means that the rebar can withstand stresses up to this limit before deforming permanently.
Higher numbers indicate stronger steel, making it suitable for various construction applications where high tensile strength is required.
20:- This figure usually represents the diameter of the rebar in millimeters (mm)
Therefore, โ20โ indicates that this particular rebar has a diameter of 20 mm
@etconp
๐16โค5
Let's talk about Retrofitting work.
Retrofitting is strengthening of existing structures or structural elements to enhance their performance with new technology, features, and components.
Generally retrofitting can be classified in two categories
1. Global retrofitting, and
2. Local retrofitting
๐๐น๐ผ๐ฏ๐ฎ๐น ๐ฟ๐ฒ๐๐ฟ๐ผ๐ณ๐ถ๐๐๐ถ๐ป๐ด:
The global retrofitting technique targets the seismic resistance of the structures. It includes adding of shear structure, adding of steel bracings, adding of infill structure and base isolation.
๐๐ผ๐ฐ๐ฎ๐น ๐ฟ๐ฒ๐๐ฟ๐ผ๐ณ๐ถ๐๐๐ถ๐ป๐ด:
Local retrofitting technique targets the seismic resistance of a member. The local retrofit technique includes the concrete, steel or fibre reinforced polymer
jacketing to the structural members, like beams, columns,foundation, and beam column joint. Concrete jacketing involves adding a new layer of concrete with longitudinal reinforcement and closely spaced ties. The jacket increases both the flexural strength and the shear strength of the beam or the column.
@etconp
Retrofitting is strengthening of existing structures or structural elements to enhance their performance with new technology, features, and components.
Generally retrofitting can be classified in two categories
1. Global retrofitting, and
2. Local retrofitting
๐๐น๐ผ๐ฏ๐ฎ๐น ๐ฟ๐ฒ๐๐ฟ๐ผ๐ณ๐ถ๐๐๐ถ๐ป๐ด:
The global retrofitting technique targets the seismic resistance of the structures. It includes adding of shear structure, adding of steel bracings, adding of infill structure and base isolation.
๐๐ผ๐ฐ๐ฎ๐น ๐ฟ๐ฒ๐๐ฟ๐ผ๐ณ๐ถ๐๐๐ถ๐ป๐ด:
Local retrofitting technique targets the seismic resistance of a member. The local retrofit technique includes the concrete, steel or fibre reinforced polymer
jacketing to the structural members, like beams, columns,foundation, and beam column joint. Concrete jacketing involves adding a new layer of concrete with longitudinal reinforcement and closely spaced ties. The jacket increases both the flexural strength and the shear strength of the beam or the column.
@etconp
๐19
Intercon Construction Chemicals
๐ Authorized agent of MC (Conmix), Weber and SIMENTEK
โ Concrete Admixtures
โ Bonding Agents
โ Waterproofings
โ Concrete Repair, Grout
โ Tile Adhesive & Tile Joint Fillers
โ Wall Putty, Prime Coat, Rush Coat
โ Quartz, Contextra
โ Specialized paints (Thermal and Insulation Paints, Street and Playground Paints)
โ Floor hardener, Epoxy
โ Geotextiles, Geo-membranes and other construction chemicals and materials
Tel: 0961955555 or 0961955559
Address: Signal, around signal mall
๐ Authorized agent of MC (Conmix), Weber and SIMENTEK
โ Concrete Admixtures
โ Bonding Agents
โ Waterproofings
โ Concrete Repair, Grout
โ Tile Adhesive & Tile Joint Fillers
โ Wall Putty, Prime Coat, Rush Coat
โ Quartz, Contextra
โ Specialized paints (Thermal and Insulation Paints, Street and Playground Paints)
โ Floor hardener, Epoxy
โ Geotextiles, Geo-membranes and other construction chemicals and materials
Tel: 0961955555 or 0961955559
Address: Signal, around signal mall
๐3
๐The Plate Load Test (PLT) is a field test used in geotechnical engineering to determine the bearing capacity of soil and the modulus of subgrade reaction (k) for foundations.
๐ทIt involves applying a load to a steel plate placed at the foundation level and measuring the settlement of the plate under various loads.
๐งKey Steps of the Plate Load Test:
1. Excavation: A pit is dug at the foundation level, ensuring the bottom is level and undisturbed.
2. Plate Placement: A rigid steel plate (typically circular or square, with diameters ranging from 30 cm to 75 cm) is placed on the soil.
3. Load Application: Load is applied incrementally through a hydraulic jack, often using a reaction system (e.g., anchored beams or a heavy vehicle).
4. Settlement Measurement: Settlements corresponding to each load increment are recorded using dial gauges.
5. Load Increment: The load is increased until failure (significant settlement) or a pre-determined load is reached.
---
โญ๏ธKey Results
1. Bearing Capacity: The ultimate bearing capacity of the soil can be estimated based on the load-settlement curve.
2. Modulus of Subgrade Reaction (k): This is calculated as the ratio of applied pressure to the corresponding settlement.
---
โญ๏ธApplications:
โบDesigning shallow foundations.
โบVerifying design assumptions for bearing capacity.
โบAssessing soil performance for pavements or other load-bearing structures.
---
โ๏ธAdvantages:
โบProvides direct data about soil behavior under actual loading.
โบUseful for designing foundations in site-specific conditions.
---
โ๏ธDisadvantages:
โบTime-consuming and expensive.
โบLimited to the soil at the depth of the test; may not reflect deeper strata behavior.
โบResults can vary based on plate size and soil conditions.
---
๐The Plate Load Test (PLT) is described in several international codes, such as:
1. ASTM D1194: Standard Test Method for Bearing Capacity of Soil for Static Load and Spread Footings.
2. IS 1888:1982: Indian Standard for Method of Load Test on Soils.
3. BS 1377-9:1990: British Standard Methods of Test for Soils for Civil Engineering Purposes โ In-situ Tests.
Via Eagleng
@etconp
๐ทIt involves applying a load to a steel plate placed at the foundation level and measuring the settlement of the plate under various loads.
๐งKey Steps of the Plate Load Test:
1. Excavation: A pit is dug at the foundation level, ensuring the bottom is level and undisturbed.
2. Plate Placement: A rigid steel plate (typically circular or square, with diameters ranging from 30 cm to 75 cm) is placed on the soil.
3. Load Application: Load is applied incrementally through a hydraulic jack, often using a reaction system (e.g., anchored beams or a heavy vehicle).
4. Settlement Measurement: Settlements corresponding to each load increment are recorded using dial gauges.
5. Load Increment: The load is increased until failure (significant settlement) or a pre-determined load is reached.
---
โญ๏ธKey Results
1. Bearing Capacity: The ultimate bearing capacity of the soil can be estimated based on the load-settlement curve.
2. Modulus of Subgrade Reaction (k): This is calculated as the ratio of applied pressure to the corresponding settlement.
---
โญ๏ธApplications:
โบDesigning shallow foundations.
โบVerifying design assumptions for bearing capacity.
โบAssessing soil performance for pavements or other load-bearing structures.
---
โ๏ธAdvantages:
โบProvides direct data about soil behavior under actual loading.
โบUseful for designing foundations in site-specific conditions.
---
โ๏ธDisadvantages:
โบTime-consuming and expensive.
โบLimited to the soil at the depth of the test; may not reflect deeper strata behavior.
โบResults can vary based on plate size and soil conditions.
---
๐The Plate Load Test (PLT) is described in several international codes, such as:
1. ASTM D1194: Standard Test Method for Bearing Capacity of Soil for Static Load and Spread Footings.
2. IS 1888:1982: Indian Standard for Method of Load Test on Soils.
3. BS 1377-9:1990: British Standard Methods of Test for Soils for Civil Engineering Purposes โ In-situ Tests.
Via Eagleng
@etconp
๐16โค3
๐แ แชแ แฅแตแดแต แแญแ แ แแก แแฅแแแฝ แแญ แแแซแจแตแ แจแแฎ แแแฝ แแญแแ แจแแ แ
แ แญแแแแฝแ แซแแ แ แแณแ แจแชแ แฅแตแดแต แฅแ แจแคแต แ แแฐ-แญแแญ แแซแแต แแ
๐ทแญแซแแณแ แจแฐแฃแแ แญแ แ แแฐ-แญแแญ แ แขแตแฎแตแซ แจแคแต แแแต แแญแ แจแแ แแญแ แจแแแจแแ แแ แแแณแฐแ แฅแแฒแจแณ แณแตแฆ แแแแแต แจแแแจแ แขแฒ แชแ แตแดแต แฅแ แแ แคแญแตแ แจแชแ แตแดแต แ แแแแฝแ แจแคแต แฃแแคแถแฝแฃ แจแแฅแแฝแฃ แจแปแฎแฝแฃ แฅแ แจแแแฑ แแ แ แจแฐแฅ แแญ แแแแแแต แซแแ แแแ แต แแแแ แฐแแแฏแแกแก
๐งแขแตแฎแตแซ แจแแ แแญแ แจแแแชแฑแ แขแฎแแ แฅแตแแต แแแฐแแแ แจแ แแฅ แ แแแแแถแฝแ แ แฐแแญแ แจแแฐแจแฐ แแแตแ แฅแซแต แแแปแปแ แ แตแแแ แแแแ แ แแแแแฅ แจแแแแตแตแ แจแแ แแญแ แ แแญแแตแ แจแแซแแปแฝ แ แแ แ แแฅแญ 1076/2018 แแ แตแ แจแแณแแ แฒแแ แญแ แ แแฐ-แซแแญ แแแ แ แแ แ แแฅ แแฅแฅแต แฅแแฐแแแ แญแ แ แแ แแ แจแฐแฃแแแข
๐ซแจแแฐแ แ แแแแฝแแฃ แฃแแแฅแถแฝแแฃ แจแแญแแแต แฐแแแตแแฃ แจแคแต แแแขแแฝแ แฅแ แจแคแฐ แแ แต แฃแแแซแแฝแ แจแแฎ แ แ แแต แแญ แจแแซแฐแฃแตแ แ แญแ แแญแ แแตแฅ แซแ แ แณแฒแต แฅแตแแถแฝแแฃ แแ แซแแฝแ แฅแ แจแขแแจแตแตแแแต แฅแตแแฝแ แแแณแจแต แซแแ แฒแแ แ แขแแฑแตแตแช แแชแแฝ แแซแจแ แตแตแตแญ แฅแ แตแฅแฅแญแ แญแแฅแซแ แฐแฅแแ แญแ แ แแแข
โญ๏ธแ แแ แแแณแ แชแ แฅแตแดแต แฅแ แจแคแต แคแญแตแ แจแคแแแฅแฝแ แ แฐแจแแช แ แขแแฑแตแตแชแ แแญ แจแแแ แแ แฃแแตแญแป แ แซแแต แจแแแแแต แฅแตแ แฅแแฐแแแฅแญแ แฐแแแฏแ::
Via แ แฒแต แแแณ
@etconp
๐ทแญแซแแณแ แจแฐแฃแแ แญแ แ แแฐ-แญแแญ แ แขแตแฎแตแซ แจแคแต แแแต แแญแ แจแแ แแญแ แจแแแจแแ แแ แแแณแฐแ แฅแแฒแจแณ แณแตแฆ แแแแแต แจแแแจแ แขแฒ แชแ แตแดแต แฅแ แแ แคแญแตแ แจแชแ แตแดแต แ แแแแฝแ แจแคแต แฃแแคแถแฝแฃ แจแแฅแแฝแฃ แจแปแฎแฝแฃ แฅแ แจแแแฑ แแ แ แจแฐแฅ แแญ แแแแแแต แซแแ แแแ แต แแแแ แฐแแแฏแแกแก
๐งแขแตแฎแตแซ แจแแ แแญแ แจแแแชแฑแ แขแฎแแ แฅแตแแต แแแฐแแแ แจแ แแฅ แ แแแแแถแฝแ แ แฐแแญแ แจแแฐแจแฐ แแแตแ แฅแซแต แแแปแปแ แ แตแแแ แแแแ แ แแแแแฅ แจแแแแตแตแ แจแแ แแญแ แ แแญแแตแ แจแแซแแปแฝ แ แแ แ แแฅแญ 1076/2018 แแ แตแ แจแแณแแ แฒแแ แญแ แ แแฐ-แซแแญ แแแ แ แแ แ แแฅ แแฅแฅแต แฅแแฐแแแ แญแ แ แแ แแ แจแฐแฃแแแข
๐ซแจแแฐแ แ แแแแฝแแฃ แฃแแแฅแถแฝแแฃ แจแแญแแแต แฐแแแตแแฃ แจแคแต แแแขแแฝแ แฅแ แจแคแฐ แแ แต แฃแแแซแแฝแ แจแแฎ แ แ แแต แแญ แจแแซแฐแฃแตแ แ แญแ แแญแ แแตแฅ แซแ แ แณแฒแต แฅแตแแถแฝแแฃ แแ แซแแฝแ แฅแ แจแขแแจแตแตแแแต แฅแตแแฝแ แแแณแจแต แซแแ แฒแแ แ แขแแฑแตแตแช แแชแแฝ แแซแจแ แตแตแตแญ แฅแ แตแฅแฅแญแ แญแแฅแซแ แฐแฅแแ แญแ แ แแแข
โญ๏ธแ แแ แแแณแ แชแ แฅแตแดแต แฅแ แจแคแต แคแญแตแ แจแคแแแฅแฝแ แ แฐแจแแช แ แขแแฑแตแตแชแ แแญ แจแแแ แแ แฃแแตแญแป แ แซแแต แจแแแแแต แฅแตแ แฅแแฐแแแฅแญแ แฐแแแฏแ::
Via แ แฒแต แแแณ
@etconp
๐10
๐แ แถแฎ แ
แญแ
แจแฐแฐแซแ แจแแแแฝแ แตแแ แแแ
๐ทแ แแแแแต แจแแแแ แ แถแฎ แ แญแ แจแฐแฐแซ แจแแแแฝแ แตแแ แแแ แแแดแ แ แแแแแต แจแฐแแแฃ แแแกแก
๐ซแญแ แแแ แแดแ 6 แแแฝ แซแแต แฒแแ แแแฑ แจ114 แแตแญ แ แแญ แแ แ แแตแก 15 แญแแแฝ แแซแแ แฐแแแฏแแกแก
๐งแ แแแฎแต แฆแญแฒแฐแแณแ แฐแดแต แแญ แ แแแแ แซแแแตแถแแ แแญแแแต แชแแญแต แฎแจแฅแถแฝ แ แแต แแญ แจแแแแ แแดแ แแ แแจแต แจแแซแฐแญแแ แแแญ แจแแดแแน แญแแแฝ แแตแฎแต แ แแฃ แแแแธแ แแแกแก
โบแแดแ แจแถแฎ แ แญแฝ แซแแ แตแแ แแแ แ แแฃแแ แ แแแ แตแแแตแแ แแแแฅ แแญ แแตแแญ แฝแแแข
โบแจแแดแ แฃแแคแต แณแ แฒแแแญ" แญแ แ แแแป แจแฐแซแแต แ แบแแฝ แจแแแ แฉ แฐแซแฐแแฝแ แแแ แ แญ แฅแ แจแแ แแญ แแแแฎแต แแแฅ แซแแแ แ แแแณ แแแญแ แญ แฅแ แแแณแจแต แแ" แฅแแแกแก
โบแ แแดแ แจแแแณ แแ แแ แซแต แฐแแฝ แจแแแ แ แแต แญแแ แจ80 แจแ แแชแซ แถแแญ แ แณแฝ แฒแแ แฅแตแจ แฐแฃแต แแแฐแญแฑ แฐแแฝ แจแแ แแ แญแแ แฐแแ 120 แถแแญ แแฐแ แแช แญแ แญแแ แฐแฅแแแข
โญ๏ธแจแ แญแฅ แแแซแต แแฒแ แ แซแฃแขแ แแแแแ แฐแแซแญ แฅแจแแ แจแแฃ แฒแแแค แ แถแฎ แ แญแฝ แจแฐแฐแซแแ แแแ แแแ แแแแแจแตแ แ แญแซแถแฝ แแฐ แตแแซแ แฅแซแแ แแแแ แฒแคแแคแ แแแงแแกแก
@etconp
๐ทแ แแแแแต แจแแแแ แ แถแฎ แ แญแ แจแฐแฐแซ แจแแแแฝแ แตแแ แแแ แแแดแ แ แแแแแต แจแฐแแแฃ แแแกแก
๐ซแญแ แแแ แแดแ 6 แแแฝ แซแแต แฒแแ แแแฑ แจ114 แแตแญ แ แแญ แแ แ แแตแก 15 แญแแแฝ แแซแแ แฐแแแฏแแกแก
๐งแ แแแฎแต แฆแญแฒแฐแแณแ แฐแดแต แแญ แ แแแแ แซแแแตแถแแ แแญแแแต แชแแญแต แฎแจแฅแถแฝ แ แแต แแญ แจแแแแ แแดแ แแ แแจแต แจแแซแฐแญแแ แแแญ แจแแดแแน แญแแแฝ แแตแฎแต แ แแฃ แแแแธแ แแแกแก
โบแแดแ แจแถแฎ แ แญแฝ แซแแ แตแแ แแแ แ แแฃแแ แ แแแ แตแแแตแแ แแแแฅ แแญ แแตแแญ แฝแแแข
โบแจแแดแ แฃแแคแต แณแ แฒแแแญ" แญแ แ แแแป แจแฐแซแแต แ แบแแฝ แจแแแ แฉ แฐแซแฐแแฝแ แแแ แ แญ แฅแ แจแแ แแญ แแแแฎแต แแแฅ แซแแแ แ แแแณ แแแญแ แญ แฅแ แแแณแจแต แแ" แฅแแแกแก
โบแ แแดแ แจแแแณ แแ แแ แซแต แฐแแฝ แจแแแ แ แแต แญแแ แจ80 แจแ แแชแซ แถแแญ แ แณแฝ แฒแแ แฅแตแจ แฐแฃแต แแแฐแญแฑ แฐแแฝ แจแแ แแ แญแแ แฐแแ 120 แถแแญ แแฐแ แแช แญแ แญแแ แฐแฅแแแข
โญ๏ธแจแ แญแฅ แแแซแต แแฒแ แ แซแฃแขแ แแแแแ แฐแแซแญ แฅแจแแ แจแแฃ แฒแแแค แ แถแฎ แ แญแฝ แจแฐแฐแซแแ แแแ แแแ แแแแแจแตแ แ แญแซแถแฝ แแฐ แตแแซแ แฅแซแแ แแแแ แฒแคแแคแ แแแงแแกแก
@etconp
๐12โค3
๐Best Demolition Practices for a Successful Project
๐งDemolishing a building isnโt a one-size-fits-all task.
โบThe choice of demolition method depends on factors like building size, location, and environmental impact.
๐ซHereโs a look at some of the best methods in the industry:
๐ง1. Implosion Demolition: This method uses carefully placed explosives to collapse the building inward, making it efficient for large structures in controlled areas.
โบPrecision is key, making it a complex but powerful technique.
๐ง2. High-Reach Arm: Best for tall buildings in urban environments, high-reach arms can remove sections of the building piece by piece.
โบItโs a safer, quieter option that minimizes dust and debris.
๐ง3. Selective Demolition: Used for projects where only parts of a structure need removal, selective demolition allows for recycling materials like steel and concrete.
โบItโs sustainable and ideal for projects aiming to preserve specific areas.
๐ง4. Wrecking Ball: While less common today, the wrecking ball is still effective for smaller structures.
โบThis method requires skill and precision, but itโs cost-effective and can be ideal for low-rise buildings.
๐ง5. Robotic Demolition: Robots can handle complex jobs in confined spaces, such as demolitions in sensitive locations.
โบThis innovative method reduces risk, protects workers, and improves precision.
๐Choosing the right demolition method helps ensure efficiency, safety, and sustainability.
โญ๏ธBy evaluating the unique needs of each project, we can make demolition a smoother, safer process.
Via Yonatan Tadesse PMP
@etconp
๐งDemolishing a building isnโt a one-size-fits-all task.
โบThe choice of demolition method depends on factors like building size, location, and environmental impact.
๐ซHereโs a look at some of the best methods in the industry:
๐ง1. Implosion Demolition: This method uses carefully placed explosives to collapse the building inward, making it efficient for large structures in controlled areas.
โบPrecision is key, making it a complex but powerful technique.
๐ง2. High-Reach Arm: Best for tall buildings in urban environments, high-reach arms can remove sections of the building piece by piece.
โบItโs a safer, quieter option that minimizes dust and debris.
๐ง3. Selective Demolition: Used for projects where only parts of a structure need removal, selective demolition allows for recycling materials like steel and concrete.
โบItโs sustainable and ideal for projects aiming to preserve specific areas.
๐ง4. Wrecking Ball: While less common today, the wrecking ball is still effective for smaller structures.
โบThis method requires skill and precision, but itโs cost-effective and can be ideal for low-rise buildings.
๐ง5. Robotic Demolition: Robots can handle complex jobs in confined spaces, such as demolitions in sensitive locations.
โบThis innovative method reduces risk, protects workers, and improves precision.
๐Choosing the right demolition method helps ensure efficiency, safety, and sustainability.
โญ๏ธBy evaluating the unique needs of each project, we can make demolition a smoother, safer process.
Via Yonatan Tadesse PMP
@etconp
๐9๐6โค5
๐The effect of earthquake on building structures can be controlled using one of the three options.
โบ๐ผ๐ฝ๐๐ถ๐ผ๐ป 1: To provide the building with unreasonable high strength(not economical)
โบ๐ผ๐ฝ๐๐ถ๐ผ๐ป 2: To design the building to have a normal strength following damage resistance principles.
โบ๐ผ๐ฝ๐๐ถ๐ผ๐ป 3: To alter the buildings characteristic through external intervention. This options mainly have two methods.
Base isolation and damping.
๐ง ๐๐ฎ๐๐ฒ ๐ถ๐๐ผ๐น๐ฎ๐๐ถ๐ผ๐ป
A base isolation system is a popular system implemented in a structure to protect it from the action of seismic forces. This system as base isolation bearings was developed by Dr. Bill Robinson in the 1970s in New Zealand.
๐ง ๐๐ฎ๐บ๐ฝ๐ถ๐ป๐ด
Dampers are strategically placed in the building structure to control floor vibrations and building displacement, cater for occupancy comfort and mitigate against major seismic events.
The energy generated by floor vibration and building displacement is absorbed by the dampers and dissipated though heat energy.
โญ๏ธ๐ง๐๐ฝ๐ฒ๐ ๐ผ๐ณ ๐ฑ๐ฎ๐บ๐ฝ๐ถ๐ป๐ด
Viscous damping.
Coulomb or Dry Friction Damping.
Solid or Structural Damping or Material or Hysteretic Damping.
Slip or Intrefacial damping.
Magnetic Damping.
๐ซFollow us on tiktok ๐
http://www.tiktok.com/@etconp7
@etconp
โบ๐ผ๐ฝ๐๐ถ๐ผ๐ป 1: To provide the building with unreasonable high strength(not economical)
โบ๐ผ๐ฝ๐๐ถ๐ผ๐ป 2: To design the building to have a normal strength following damage resistance principles.
โบ๐ผ๐ฝ๐๐ถ๐ผ๐ป 3: To alter the buildings characteristic through external intervention. This options mainly have two methods.
Base isolation and damping.
๐ง ๐๐ฎ๐๐ฒ ๐ถ๐๐ผ๐น๐ฎ๐๐ถ๐ผ๐ป
A base isolation system is a popular system implemented in a structure to protect it from the action of seismic forces. This system as base isolation bearings was developed by Dr. Bill Robinson in the 1970s in New Zealand.
๐ง ๐๐ฎ๐บ๐ฝ๐ถ๐ป๐ด
Dampers are strategically placed in the building structure to control floor vibrations and building displacement, cater for occupancy comfort and mitigate against major seismic events.
The energy generated by floor vibration and building displacement is absorbed by the dampers and dissipated though heat energy.
โญ๏ธ๐ง๐๐ฝ๐ฒ๐ ๐ผ๐ณ ๐ฑ๐ฎ๐บ๐ฝ๐ถ๐ป๐ด
Viscous damping.
Coulomb or Dry Friction Damping.
Solid or Structural Damping or Material or Hysteretic Damping.
Slip or Intrefacial damping.
Magnetic Damping.
๐ซFollow us on tiktok ๐
http://www.tiktok.com/@etconp7
@etconp
๐14โค1