Monday, December 20, 2010

【 Weak current College 】 civil and hydropower full calculation rules (1)


A, flat sites: building venues thickness ± 30cm within digs, filled, shipped, leveling.
1, flat ground calculation rules
(1) the list of rules: by design diagram size to building first floor area calculation.
(2) fixed rules: by design diagram size to exterior outside line on each side of the plus 2 meters to square meters area.
2, flat ground formula
S = (A + 4) x (B + 4) = S bottom + 2L external + 16
Type: S-flat amount; A site engineering — the length of the exterior walls of buildings outside the line length; B — — outside the exterior wall of the building width direction; S bottom line length — — the building floor area; L-— — outside the wire perimeter walls.
This formula applies to any rectangle, consisting of a building or structure of the site formation volume calculation.
Second, the basis for the calculation of Earth excavation
Excavation earthwork calculation rules
(1), the list of rules: WA Foundation Earth work by design diagram size to base cushion base area by digging depth calculations.
(2), fixed rules: manual or machine digging of volume shall be adjusted according to the base area is calculated by multiplying the digging depth. Tank bottom area should be based on the base of the length multiplied by the width of the Groove, Groove length and width refers to the underlying base width plus face slope when needed, should slope of earthwork consolidation in General earthwork.
2, earthwork calculation formula: excavation
(1), list of volume calculation digging: earthworks volume = digging of floor area × digging depth.
(2), fixed rules: Foundation excavation: V = (A + 2C + K×H) H×L. Type: V-base slot A earthwork; — — — tank bottom width; C-face width; H — — —-groove depth; L — — —-Groove length.
Where outer outside wall jamb channel length, inside the centre line of the slot length within jamb wall net length calculation, shall not be deducted from the transfer contact out.
Excavation: V = 1/6H [A×B + a×b + (A + a) x (B + b) + a×b]. Type: V-volume; A foundation — pit length; B — join — — pit outlet width; a — — the length of the pit bottom; b — — pit bottom width.
Third, the backfill engineering calculation rules and formulas
1-slot, pit fill volume = base slot (pit) excavation volume-design outdoor terrace following construction (construction) built from being buried portion of the volume.
Type the following to build in outdoor terrace (constitutive) built from being buried portion of the volume normally includes bedding, wall, pillar basis, as well as the underground buildings, structures, and so the volume
2, indoor backfill volume = main wall between net area × backfill thickness-various channel share volume
Main wall between net area = S bottom-(L wall thickness + in × L × wall thickness within)
Type: bottom — the underlying construction area; L — — wall centre line length; L — — Interior net long line length.
Backfill soil thickness means indoor height difference minus ground mat, screed, surface of total thickness, such as the right to:
4. migration and earthwork calculation rules and formulas:
Transported soil refers to the extra soil excavation to the specified location, or backfill is low from the designated place soil backfill. Earth-moving transport shall be adjusted according to the different transport modes and distance calculation in cubic metres respectively.
Earth-moving project volume = digging total volume-backfill total volume
In the formula evaluates to a positive value that Sinotrans, while Earth is negative, a soil backfill.

V. hit, pressure for precast reinforced concrete square piles
1, precast reinforced concrete piles of volume, according to the design of pile length calculation, length of ships carrying dangerous chemicals in bulk by including pile tip full length calculation, pile tip virtual volume without deduction. Measurement unit: m3, volume calculation formula is as follows:
V = pile section × design length (including pile tip length)
2, the reinforced concrete square piles (pile): when the design called for a reinforced concrete piles into the ground below the top of the pile must use tools pile to complete the draw tool pile (generally 2 ~ 3m long from hard wood or metal) completion of the process called "piling sent pile." The fixed provision calculated according to the length of which sent pile piles top-natural floor plus 0.5 meters multiplied by the cross-sectional to cubic meters, the unit of measure: m3, the formula is as follows:
V = pile section × (pile length + 0.5m)
Delivery pile length: design of pile top elevation to natural flooring.
3. pile piles: refers to as designed by pile plant section precast transported to the scene before the first pile into the second root pile vertical lift and first stakes linked to continue piling
Sulfur cement pile-units of measurement: m2; press the pile section
Electric welding pile-units of measurement: t; press package angle or package weight of steel.
6. play, pressure prestressed reinforced concrete piles
According to the design of pile length calculation, length of ships carrying dangerous chemicals in bulk by including pile tip full length calculation, pile tip virtual volume without deduction, piles of hollow volume should be deducted, piles of hollow part design requirements-concrete or other filling materials, should be calculated separately. Measurement unit: m3, volume calculation formula is as follows:
V = pile section × design length (including pile tip length)
Pile in the calculation of grouted engineering, measurement unit: m3
V = pipe pile hole diameter cross-sectional area × design filled with depth
VII. pile
(1) hole-in-place pile singles, double play: measurement unit: m3
V = outer diameter of the cross-sectional area × (design length + plus irrigation length)
Design of pile length: the length depending on the design drawings, such as the use of valve pile tip including precast pile tip, use precast reinforced concrete pile tip is not included
With irrigation length — used to meet concrete filling filling volume, according to the design requirements; no requirement, press 0.25m calculate.
(2), compaction piles: measurement unit: m3
V1 (first, second compaction) = standard pipe inner area × design ramming feeding length (not including precast pile tip)
V2 (lastTube-in-place concrete) = standard diameter cross-sectional area × (design length + 0.25)
Design ramming feeding length — calculation according to the design requirements.
(3) drilling concrete piles
Drilling engineering, measurement unit: m3
Drill Earth hole V = pile diameter cross-sectional area × natural ground to the depth of the rock surface;
Drills holes V = pile diameter cross-sectional area × depth degrees into rock
Concrete poured into quantity, unit of measure: m3V = pile diameter cross-sectional area × effective length, design effective length according to the rules, regulations, no provision in the following formula:
Design effective length = length (including pile tip length) + pile diameter
Design of pile length: pile top elevation to base elevation
Foundation-irrigation length — separate calculation according to the design requirements.
Mud transport quantities: measurement unit: m3, quantity amount by drilling Project calculate.
8. man-power digs the hole pile
(1), the amount of digging-project: unit of measure: m3
V (artificial excavation) = wall protection perimeter area × hole drilling length length — natural flooring to design base elevation
V (silt, sand, rocks) = actual volume of excavation (hew)
(2) of the brick, concrete wall and pile-concrete construction amount: measurement unit: m3 quantities by design diagram size solid volume
9. cement mixing, DJM, m computing
V = (design length + 500MM) × design pile section area (length if the design requires the design of length). Dual-axis of quantities shall not duplicate, the pile of lap without deduction.
10. long spiral or rotary drilling of bored pile to cubic computing
V = (design length + 500MM) × design pile section area or spiral diameter size (length if the design requires the design of length).
11. pit anchor walls into the hole and the hole Grouting.
According to design drawings to extend m computing
12. protection of sprayed concrete
According to design drawings in m2.
13. brick base calculation rules
1, the Foundation and the wall (column body):
(1) Foundation and the wall (columns) are using the same materials, to design the interior floor (there is a basement, cellar
Interior design surface for the Territories), the following is based on the above for the wall (column).
(2) Foundation and the wall using different materials, is located in the design of Interior ground + 300MM within, to the dividing line between the different materials is over when to + 300MM design interior surface for the demarcation line.
(3) brick and stone walls, to design an outdoor terrace to the line below, above the wall.
2. the method of calculating the brick base (pricing table rules)
(1) brick Foundation, big wall thickness and height of the icon size to calculate m3. Which base length: exterior wall constructed according to the calculation of the external walls; interior wall jamb press in most back jamb of the calculation of the net long line.
(2) no deduction of the part: base on the foot of the t-shaped junction, embedded base overlapping portions of reinforced, iron, pipes, Foundation tide level, a single area in occupies within the hole 0.3m2 volume, but wall heating Groove of the cornice is not increased. Report of wall chock part volume based width should be integrated into the base quantities.
(3) shall be deducted: embedded base of reinforced concrete beams and slabs and geosphere beam size
4) brick base large drop foot of engineering calculation: common brick Foundation typically stereotyped ladder forms, each step to fixed dimensions let out to the outer layer, commonly known as the big drop foot basis. Based on the foot of the section is divided into: and other high-placed feet and interval-on foot. To brick-and-drop foot foundation engineering calculation, it can be placed on the foot part of the area into the area of equal jamb section. In General, we can find from conversion table, and then converted to calculate the high increase in the cross section.
Big drop foot formula: big drop foot base quantity = base length × thickness × jamb (basic height + converted height)
14. brick real masonry wall engineering calculation rules
1. calculation and formula: should distinguish between different wall thickness and type of masonry mortar to m3. Wall volume = (wall length × wall height-entrance area) × wall thickness-embedded wall of reinforced concrete column and beam, lintel volume + brick stack, parapets, etc volume
2, should be deducted from the section: door and window openings, extraordinary cave, empty circle, embedded in the walls of reinforced concrete columns (such as GZ), beam (GL, QL, etc.), have reinforced brick beams, heating package volume of niches, etc.
Without deduction of parts: head, internal and external wall beams and slab head, Purlin wood, wood, wooden cord cushion head along the rafters, wood tiles, Windows and doors go head, brick wall of reinforced reinforced, wood, iron, steel pipe, each in the following holes 0.3m2 accounted for volume.
No additional parts: projecting wall window tiger head brick, press the top line, Gables flashing, chimney, doors and Windows, three leather tiles within the waist line and cornice, etc volume;
3. determination of the length of the wall: the external walls of exterior wall length according to the center line, interior wall length according to the Interior of the calculation of the net long line.
4. determination of the height of the walls
(1), exterior wall height
① slope roof eaves ceiling would be free to the wall at the end of the centre line of the roof panel, as in Figure 1, with no roof rafters, count to the top, as in Figure 2.
② with roof, and both indoor and outdoor marquee, count to roof truss bottom chord plus 200mm; marquee are considered to have no roof frame bottom chord floor plus 300mm, shown in Figure 3.
③ has reinforced concrete slab floors shall be counted to the flat bottom.
(2), interior wall height
① is located at the bottom chord truss, its height calculation to roof truss. See Figure 4
② no roof, count to ceiling floor plus 120mm. See Figure 5
③ reinforced concrete floor insulation layer is counted to the plate on the underside. A framework for beam when frame wall, should be to the bottom frame.
(3), inside and outside gable wall height calculation according to their average height. Parapet height from the wall plate to calculation of the surface on the parapetTop surface (such as concrete pressure to the pressure at the top of the top surface)

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