H=94m at the 30th floor of the high-rise: 65-75kg/㎡ reinforcement; Concrete 0.42-0.47m ³/ ㎡。 6.
The accurate calculation formula of angle steel, I-beam and channel steel is very complicated, and the simple formula in the table is used to calculate the approximate value.
For general multi-storey masonry residence, the outdoor plastering area accounts for 0.5 – 0.7 of the building area; 3.
Multilayer frame: reinforcement 38-42kg/㎡; Concrete 0.33-0.35m ³/ ㎡。 3.
3.
The indoor plastering area accounts for 3.8 of the building area.
G=0.617 × D × D/100 weight per meter (kg)=diameter of reinforcement (mm) × Diameter of reinforcement (mm) × zero point zero zero six one seven Φ 6＝0.222kg Φ 6.5＝0.26kg Φ 8＝0.395kg Φ 10＝0.617kg Φ 12＝0.888kg Φ 14＝1.21kg Φ 16＝1.58kg Φ 18＝2.0kg Φ 24＝2.47kg Φ 22＝2.98kg Φ 25＝3.85kg Φ 28＝4.837kg………… Φ Up to and including 12 Φ 28 (including 28) reinforcement is generally taken as three digits after the decimal point, Φ 14 to Φ 25 Generally, take two digits after the decimal point of reinforcement Φ 6=0.222kg Φ 8=0.395kg Φ 10=0.617kg Φ 12=0.888kg Φ 14=1.21kg Φ 16=1.58kg Φ 18=2kg Φ 20=2.47kg Φ 22=3kg Φ 25=3.86kg Lao Dao’s civil engineer has experience in calculating formulas.
The first time of scraping is 300 ㎡/day, the second time is 180 ㎡/day, and the third time is polishing 90 ㎡/day.
Construction efficiency 4.
Stone weight 2200kg/m ³； 5.
Concrete weight 2500kg/m ³； 2.
Concrete consumption and steel consumption of ordinary residential buildings 2.
About 175 hollow bricks per cubic meter; 7.
Generally, for multi-storey masonry residential buildings, the formwork area accounts for 1.3 – 2.2 of the building area, which varies greatly according to the number of cast-in-place slabs and column density; 4.
The outdoor plastering area accounts for about 0.4 of the building area; 4.
One bricklayer builds 240 brick walls 1000-1800 pieces a day, 370 or 500 walls 2000-3000 pieces; 5.
3、 Construction efficacy 1.
Economic indicators for construction budget of ordinary multi-storey residential buildings 3.
Weight of reinforced concrete 2200kg/m ³， Weight of plain concrete 2100kg/m ³； 6.
The above data are designed according to the rules of anti-seismic zone 7.
One bricklayer builds 800-1000 hollow bricks a day; 4.
Calculation of steel theoretical weight Simple material name Theoretical weight W (kg/m) Flat steel, steel plate, steel strip W ＝ 0.00785 × wide × Thick square steel W ＝ 0.00785 × Round steel, wire rod and steel wire with side length of 2 W ＝ 0.00617 × Diameter 2 steel pipe W ＝ 0.02466 × Wall thickness (outer diameter wall thickness) equilateral angle steel W ＝ 0.00785 × Edge thickness (2 sides wide – edge thickness) unequal angle steel W ＝ 0.00785 × Side thickness (long side width+short side width – side thickness) I-beam W ＝ 0.00785 × Waist thickness [height+f (leg width waist thickness)] channel steel W ＝ 0.00785 × Waist thickness [height+e (leg width – waist thickness)] Note 1.
15 ㎡ ceramic tiles; 5.
One plasterer plasters 35 m2 a day; 2.
Relevant documents ｜ Data that must be understood by the supervision engineer (common building data), keep for future use! Catalog 1.
Those who are not skilled can calculate a table by themselves or buy a book with tables, which is also very convenient to use.
E value: 3.26 for general models and those with a, 2.44 for those with b, and 2.24 for those with c.
One cubic meter of clean sand needs 1.3 cubic meters of ordinary sand; A different point of view 1.
Weight of reinforcement per linear meter 0.00617 × d × d； 3.
4.
The amount of concrete and steel used in villas is between multi-storey masonry residential buildings and high-rise 11-12 floors.
Weight of reinforcement commonly used in basic data construction projects 1.
2.
Weight of dry sand 1500kg/m ³， Wet sand weight 1700kg/m ³； 4.
The weight of the reinforcement is proportional to the square of the diameter (radius).
About 525 red bricks per cubic meter (wall thickness); 6.
Source: network, intrusion and deletion of 1.
Small high-rise 11-12 floors: reinforcement 50-52kg/㎡; Concrete 0.35m ³/ ㎡。 4.
The template area accounts for about 2.2 of the building area; 3.
Concrete consumption and steel consumption of ordinary residential buildings 1.
Multi storey masonry residential buildings: reinforcement 30kg/m2; Concrete 0.3-0.33m ³/ ㎡。 2.
One bricklayer lays 1000-1800 red bricks a day; 3.
High floors 17-18: reinforcement 54-60kg/㎡; Concrete 0.36m ³/ ㎡。 5.
All lengths are in mm..
General multi-storey masonry residential buildings: 25-30kg/㎡ reinforcement, including 16 – 18kg/㎡ affordable housing; 2.
The area of outdoor doors and windows (excluding unit doors and security doors) accounts for 0.20-0.24 of the building area; 2.
2、 Economic indicators for construction budget of ordinary multi-storey residential buildings 1.
Weight of engineering stone 1800kg/m ³； The weight of 0.617 steel bars commonly used in construction projects is the weight of 10 round steel bars per meter.
H=90m on the 28th floor of high-rise hotel apartment: 65-70kg/㎡ reinforcement; Concrete 0.38-0.42m ³/ ㎡。 7.
4、 Basic data 1.
F value: 3.34 for general models and those with a, 2.65 for those with b, and 2.26 for those with c.
