CN110344582A - A kind of scattered structure and construction technology spelled wooden model and exempt from aperture reinforcement system of shear wall - Google Patents
A kind of scattered structure and construction technology spelled wooden model and exempt from aperture reinforcement system of shear wall Download PDFInfo
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- CN110344582A CN110344582A CN201910630391.8A CN201910630391A CN110344582A CN 110344582 A CN110344582 A CN 110344582A CN 201910630391 A CN201910630391 A CN 201910630391A CN 110344582 A CN110344582 A CN 110344582A
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- template
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- screw arbor
- shear wall
- concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/005—Strips for covering joints between form sections, e.g. to avoid burring or spilling of laitance
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/04—Forming boards or similar elements the form surface being of wood
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of shear walls to dissipate the structure and construction technology spelled wooden model and exempt from aperture reinforcement system, it is characterized by comprising the template, taper and the Screw arbor with nut at both-ends that are placed in shear wall two sides, template is equipped with template item, template item is equipped with Screw arbor with nut at both-ends hole, taper is arranged between template, Screw arbor with nut at both-ends passes through taper alignment Screw arbor with nut at both-ends hole installation, it further include main joist and secondary joist, secondary joist is mounted vertically on template face, main joist is transversely mounted on template face, mounting fixing parts on keel, Screw arbor with nut at both-ends is by nut come formboard fastening；Include the following steps: that the horizontal spacing of Screw arbor with nut at both-ends is rationally arranged by Mechanics Calculation according to mould figure progress template ingredient is spelled, merges wall form, installation secondary joist, lateral main joist fasten Screw arbor with nut at both-ends nut.The present invention is checked by optimization template spelling mode and Mechanics Calculation, realizes that whole template exempts from out Screw arbor with nut at both-ends hole, is improved template and is used in turn rate, materials saving, reaches cost efficiency.
Description
Technical field
The present invention relates to building template construction field, specially a kind of shear wall, which dissipates, spells the knot that wooden model exempts from aperture reinforcement system
Structure and construction technology.
Background technique
Building construction formwork mainly has wooden model, big punching block, aluminum dipping form, plastic and glass steel form etc., and template is the cast-in-place knot of concrete
One of main circulation material in structure construction, the technology planning of form work engineering and optimizes progress to engineering construction, cost control
It is particularly critical.Aluminum alloy formwork system just quietly rises at present, but because its construction cost is higher, versatility is not strong, dissipates and spells wooden model
System is still play an important role.
At present used in traditional shear wall dissipate spell wooden model reinforcement system, residential project usually because basement shear wall with
The height or flat shape of ground index bed shear wall are different, and shear wall formwork Screw arbor with nut at both-ends hole site is different, leads to shear wall
Template versatility is lower, traditional shear wall counter screw shuttering in length and breadth spacing generally press 450 to 500mm be arranged, it is common with
8 Screw arbor with nut at both-ends holes will be opened for 1830 multiplied by 915mm specification template, in every template, the Screw arbor with nut at both-ends that when reinforcing puts into
And the quantity of material of lateral main joist is big.It is dissipated using traditional shear wall and spells wooden model reinforcement system, have following deficiency:
One, opens up multiple Screw arbor with nut at both-ends holes, and not only construction efficiency is low, and formwork rigidity is caused to decline, and turnover is damaged when recycling
Consumption is big, influences concrete molding perception；
Two, need to put into a large amount of Screw arbor with nut at both-ends and lateral main joist, construct cumbersome, increase engineering use cost；
Three, screw holes cause main joist to fall off there are spillage or quick-fried mould phenomenon, generate the quick-fried mould phenomenon of large area product.
Summary of the invention
The purpose of the invention is to provide a kind of shear wall the scattered structure and construction work spelled wooden model and exempt from aperture reinforcement system
Skill is checked by optimization template spelling mode and Mechanics Calculation, realizes that whole template exempts from out Screw arbor with nut at both-ends hole, improves template turnover
Utilization rate, materials saving, reach cost efficiency.
In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme: a kind of scattered wooden model of spelling of shear wall is exempted from out
The structure of hole reinforcement system, template, taper and Screw arbor with nut at both-ends including being placed in shear wall two sides, the template are equipped with mould
Lath, the template item are equipped with Screw arbor with nut at both-ends hole, and the taper is arranged between template, and the Screw arbor with nut at both-ends passes through cone
Shape casing is directed at the installation of Screw arbor with nut at both-ends hole, further includes main joist and secondary joist, the secondary joist is mounted vertically on template face, institute
It states main joist to be transversely mounted on template face, mounting fixing parts on the keel, the Screw arbor with nut at both-ends fastens mould by nut
Plate.
A kind of scattered construction technology spelled wooden model and exempt from the structure of aperture reinforcement system of shear wall, includes the following steps:
Step 1. is high according to basement floor and top plate thickness draws wallboard and spells mould figure, and Template Location frame is arranged;
Step 2. carries out template ingredient according to mould figure is spelled, and Screw arbor with nut at both-ends hole is opened up on template item；
Step 3. unifies side wall template, and the horizontal spacing of Screw arbor with nut at both-ends is rationally arranged by Mechanics Calculation；
Step 4. arranges taper, installs Screw arbor with nut at both-ends, then close other side wall form；
Step 5. installs secondary joist, lateral main joist, fastens Screw arbor with nut at both-ends nut；
Step 6. carries out self-test, mutually inspection and specially inspection, and management is checked and accepted.
Preferably, in step 1, the foot of a wall of the shear wall welds positioning bar, and the Template Location frame, which uses, prevents rotten
Posting.
Preferably, in step 2, the template item is used with whole template material, the template of thickness, and the template item is wide
Degree is greater than 80mm.
Preferably, in step 3, when speed of perfusion is greater than 10m/h or the slump is greater than 180mm, newly-laid concrete side
Pressure is calculated with following formula:；When other situations occur in speed of perfusion and the slump, utilization is following
Formula is calculated, and smaller value is taken:,
Wherein, γ c is the force density of concrete, and t is the presetting period of newly-laid concrete, and T is the molding temperature of concrete, V
For the speed of perfusion of concrete, H is at concrete lateral pressure calculating position to newly-laid concrete top surface total height, and β is concrete
The slump influences correction factor.
Preferably, in step 3, the load mark that the lateral pressure standard value for completing newly-laid concrete, the when of falling concrete generate
The calculating of quasi- value, completes the meter of panel bending strength calculated value, section shear Strength Calculation value and panel maximum defluxion calculated value
It calculates, completes the calculating of keelson, outer keel bending strength calculated value, outer keel maximum defluxion calculated value, it is strong to complete split bolt
Degree checking computations.
Preferably, in step 3, flitch back cord tooled joint mortar leakage prevention is used at the formwork edge joint.
Preferably, in step 4, the secondary joist is vertically installed, and the main joist is transversely mounted, the mould
Plate yin-yang angular position uses the vertical secondary joist of Two bors d's oeuveres, and the secondary joist uses steel pipe for material.
Compared with prior art, the structure spelled wooden model and exempt from aperture reinforcement system is dissipated using the shear wall of above-mentioned technical proposal
And construction technology, it has the following beneficial effects:
One, dissipates the structure and construction technology spelled wooden model and exempt from aperture reinforcement system using shear wall of the invention, opens on template item
If aperture, realize that whole template exempts from aperture, improves template and be used in turn rate；
The horizontal spacing of Screw arbor with nut at both-ends is rationally arranged by Mechanics Calculation by two, increases vertical spacing, saves Screw arbor with nut at both-ends and transverse direction
The material utilization amount of main joist, materials saving.
Detailed description of the invention
Fig. 1 is that the scattered wooden model of spelling of shear wall of the present invention exempts from the structure of aperture reinforcement system and the technique stream of construction technology embodiment
Cheng Tu；
Fig. 2 is that shear wall dissipates the structural schematic diagram for spelling the structure that wooden model exempts from aperture reinforcement system in the present embodiment；
Fig. 3 is the calculating schematic diagram of wall form panel in the present embodiment；
Fig. 4 is the moment of flexure schematic diagram of wall form panel in the present embodiment；
Fig. 5 is the shearing schematic diagram of wall form panel in the present embodiment；
Fig. 6 is that the deformation of wall form panel in the present embodiment calculates force diagram；
Fig. 7 is the deformation schematic diagram of wall form panel in the present embodiment；
Fig. 8 is the calculating schematic diagram of wall form keelson in the present embodiment；
Fig. 9 is the moment of flexure schematic diagram of wall form keelson in the present embodiment；
Figure 10 is the shearing schematic diagram of wall form keelson in the present embodiment；
Figure 11 is that the deformation of wall form keelson in the present embodiment calculates force diagram；
Figure 12 is the deformation schematic diagram of wall form keelson in the present embodiment；
Figure 13 is the calculating schematic diagram of wall form outer keel in the present embodiment；
Figure 14 is the moment of flexure schematic diagram of wall form outer keel in the present embodiment；
Figure 15 is the shearing schematic diagram of wall form outer keel in the present embodiment；
Figure 16 is that the deformation of wall form outer keel in the present embodiment calculates force diagram；
Figure 17 is the deformation schematic diagram of wall form outer keel in the present embodiment.
Appended drawing reference: 1, template；2, template item；21, screw hole；3, Screw arbor with nut at both-ends；4, taper；5, main joist；6,
Secondary joist.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
Spelling wooden model, which is dissipated, for shear wall as shown in Figure 1 exempts from the structure of aperture reinforcement system and the process flow chart of construction technology,
According to basement floor height and top plate thickness establishment special construction plan, wallboard spelling mould figure is drawn, confides a technological secret, cuts with operating personnel
The foot of a wall of power wall welds positioning bar, and rotten 1 posting of template is prevented in setting.1 ingredient of template is carried out according to mould figure is spelled, in template item 2
On open up screw hole 21；For template item 2 using with whole 1 material of template, the template of thickness 1,2 width of template item is greater than 80mm, with
Anti- punching damage.
Unify side wall template 1, arrange taper 4, the horizontal spacing of Screw arbor with nut at both-ends 3 is rationally set by Mechanics Calculation,
Screw arbor with nut at both-ends 3 is installed again, then closes other side wall form 1.1 edge joint position of template uses flitch back cord tooled joint mortar leakage prevention,
Remaining is that steel back is stupefied.
When carrying out Mechanics Calculation, the load that strength checking is generated according to newly-laid concrete lateral pressure and when toppling over concrete is set
Evaluation；Deflection design generates characteristic value of load according to newly-laid concrete lateral pressure.When speed of perfusion is big greater than 10m/h or the slump
When 180mm, newly-laid concrete lateral pressure is calculated with following formula:；When speed of perfusion and the slump go out
When other existing situations, is calculated with following formula, takes smaller value:, wherein
γ c is the force density of concrete, and t is the presetting period of newly-laid concrete, and T is the molding temperature of concrete, and V is concrete
Speed of perfusion, H are to newly-laid concrete top surface total height at concrete lateral pressure calculating position, and β is concrete slump influence
Correction factor.
Be to be checked the bending strength and rigidity of panel by kinking structure according to panel, 1 panel of template according to continuous beam meter
It calculates, being calculated according to load is worth cross sectional moment of inertia I and section resistance moment W to calculate each further according to bending moment diagram and shear diagram
Seat power, obtains maximal bending moment M and maximum deformation quantity V.According to it is above-mentioned calculated as a result, obtain panel bending strength calculated value,
The calculated result of section shear Strength Calculation value and panel maximum defluxion calculated value, then be compared with basic parameter.
1 keelson of wall form directly bears the load of the transmitting of template 1, calculates according to equally distributed load continuous beam, root
According to the bending moment diagram and shear diagram of keelson, the calculating force diagram and deformation pattern of keelson are obtained, to obtain maximal bending moment M, most
Big support F and maximum distortion V.According to above-mentioned calculated as a result, obtaining keelson bending strength calculated value, keelson maximum is scratched
The calculated result of calculated value is spent, then is compared with basic parameter.
Outer keel bears the load of keelson transmitting, calculates according to continuous beam under load, according to the curved of supporting steel pipe
Square figure and shear diagram, obtain the calculating force diagram and deformation pattern of outer keel, to obtain maximal bending moment M, maximum support F and maximum
Deform V.According to above-mentioned calculated as a result, obtaining the meter of outer keel bending strength calculated value, outer keel maximum defluxion calculated value
It calculates as a result, being compared again with basic parameter.
Calculating to split bolt, is calculated with following formula: N < [N]=f*A, in which: N is suffered by split bolt
Pulling force, A be split bolt effective area, f be split bolt tensile strength design value, calculate split bolt strength checking
Whether meet the requirements.The horizontal spacing of Screw arbor with nut at both-ends 3 is rationally arranged in calculated result, increases vertical spacing, saves to drawing spiral shell
The material utilization amount of bar 3 and lateral main joist 5.
In embodiment 1:
Wall form basic parameter is to calculate section width 300mm, height 3000mm, two sides slab thickness 160mm；Form surfacing is adopted
Use normal plywood；Keelson spacing 150mm, keelson use square steel tube 40*3mm or φ 48mm*2.8mm steel pipe, outer keel
Using double steel pipe φ 48mm*2.8mm；Split bolt arrangement 3, the horizontal space 200+1005+1200mm in section, section across
Spend direction spacing 350mm, diameter 14mm；Plate thickness 12mm, shear strength 1.4N/mm2, bending strength 13.0N/mm2, elasticity
Modulus 9000.0N/mm2；Flitch shear strength 1.3N/mm2, bending strength 15.0N/mm2, elasticity modulus 9000.0N/mm2。
1) wall form characteristic value of load calculates
Wherein: γ c=24.000kN/m3；t=3.000h；T=20.000℃；V=2.500m/h；H=3.000m；β=0.850.
The newly-laid concrete lateral pressure standard value F1=27.090kN/m calculated according to formula2
Consider the important coefficient 0.90 of structure, use newly-laid concrete lateral pressure standard value in practical calculating:
F1=0.90×27.090=24.381kN/m2
Consider the important coefficient 0.90 of structure, the characteristic value of load that the when of falling concrete generates:
F2=0.90×4.000=3.600kN/m2。
2) calculating of wall form panel
The calculating width of panel takes 2.84m.
Load calculated value q=1.2 × 24.381 × 2.840+1.40 × 3.600 × 2.840=97.404kN/m
The cross sectional moment of inertia I and section resistance moment W of panel are respectively as follows:
Section resistance moment W=68.16cm3；
Cross sectional moment of inertia I=40.90cm4；
The calculating of deformation according to code requirement use dead load standard value, as shown in Fig. 3 to Fig. 6, through being calculated from a left side to
Right each support power is respectively as follows:
N1=5.844kN
N2=16.072kN
N3=16.072kN
N4=5.844kN
Maximal bending moment M=0.219kN.m
Maximum distortion V=0.065mm
(1) bending strength calculates
Calculate panel bending strength calculated value
f = M/W = 0.219×1000×1000/68160=3.213N/mm2
The bending strength design value [f] of panel, takes 13.00N/mm2；
The bending strength of panel checks f < [f], meets the requirements.
(2) shear calculation
Section shear Strength Calculation value
T=3Q/2bh=3×8766.0/(2×2840.000×12.000)=0.386N/mm2
Section shearing strength design value: [T]=1.40N/mm2
Panel shearing strength checks T < [T], meets the requirements.
(3) amount of deflection calculates
Panel maximum defluxion calculated value: v=0.065mm
The maximum defluxion of panel is met the requirements less than 150.0/250.
3) calculating of wall form keelson
Keelson Strength co-mputation evenly load:
q=1.2×0.15×24.38+1.4×0.15×3.60=5.145kN/m
Amount of deflection calculates characteristic value of load q=0.15 × 24.38=3.657kN/m
Keelson is calculated according to continuous beam on many supports under evenly load.
The calculating of deformation uses dead load standard value according to code requirement, as shown in Fig. 7 to Figure 12:
By maximal bending moment M=0.597kN.m is calculated
By maximum support F=6.056kN is calculated
By maximum distortion V=1.313mm is calculated
The section mechanics parameter of keelson is
Section resistance moment W=5.10cm3；
Cross sectional moment of inertia I=10.20cm4；
(1) keelson bending strength calculates
Flexural calculation intensity f=M/W=0.597 × 106/1.05/5098.6=111.52N/mm2
The flexural calculation intensity of keelson is less than 215.0N/mm2, meet the requirements.
(2) keelson amount of deflection calculates
Maximum distortion v=1.313mm
The maximum defluxion of keelson is met the requirements less than 1200.0/400.
4) calculating of wall form outer keel
Outer keel is calculated according to the continuous beam under Concentrated load.
Load P takes cross-brace steel pipe transmission force.
The calculating of deformation uses dead load standard value according to code requirement, as shown in Figure 13 to Figure 17, by continuous beam
It is calculated:
Maximal bending moment Mmax=0.504kN.m
Maximum distortion vmax=0.062mm
Maximum support power Qmax=15.284kN
Flexural calculation intensity f=M/W=0.504 × 106/8496.0=59.32N/mm2
The flexural calculation intensity of supporting steel pipe is less than design strength, meets the requirements.
The maximum defluxion of supporting steel pipe is met the requirements less than 350.0/150 and 10mm.
5) calculating of split bolt
Calculation formula: N < [N]=f*A
Wherein: N is pulling force suffered by split bolt；
A is split bolt effective area (mm2)；
F is the tensile strength design value of split bolt, takes 170N/mm2；
The diameter (mm) of split bolt: 14
Split bolt effective diameter (mm): 12
Split bolt effective area (mm2): A = 105.000
The maximum allowable value of thrust of split bolt (kN): [N]=17.850
Maximum pull suffered by split bolt (kN): N=15.284
Split bolt strength checking is met the requirements.Side template calculating is met the requirements.
Secondary joist 6, main joist 5 are installed, secondary joist 6 is vertically installed, main joist 5 is transversely mounted, then pacifies
Fixing piece is loaded onto, 1 yin-yang angular position of template uses the vertical secondary joist 6 of Two bors d's oeuveres to improve rigidity, avoids spillage phenomenon, secondary joist 6
Using square steel tube or round steel pipe, the concrete lateral pressure during shear wall concrete placings and after pouring, then 3 nut of Screw arbor with nut at both-ends are sustained
Fastening；Verticality correction finally is carried out to shear wall wooden model and diagonal brace is fixed, completes self-test, mutually inspection and specially inspection, management is checked and accepted.
It is illustrated in figure 2 shear wall and dissipates the structural schematic diagram for spelling the structure that wooden model exempts from aperture reinforcement system, including be placed in and cut
Template 1, taper 4 and the Screw arbor with nut at both-ends 3 of power wall two sides, template 1 are equipped with template item 2, and template item 2 is equipped with aperture 21,
That is Screw arbor with nut at both-ends hole.Taper 4 is arranged between template 1, and Screw arbor with nut at both-ends 3 passes through taper 4 and is directed at Screw arbor with nut at both-ends hole peace
Dress, further includes main joist 5 and secondary joist 6, secondary joist 6 is mounted vertically on 1 face of template, and main joist 5 is transversely mounted on 1 face of template
On, mounting fixing parts on keel, Screw arbor with nut at both-ends 3 is by nut come formboard fastening 1.In the present embodiment, using mountain type card conduct
Fixing piece.
In operation, 1 bottom Screw arbor with nut at both-ends 3 of shear wall formwork should not exceed 200mm, top Screw arbor with nut at both-ends away from ground level
3 should not exceed 650mm away from board bottom height, and split bolt horizontal space: the high 3m or less of layer should not exceed 350mm, and the high 3m of layer is arrived
It should not exceed 300mm between 4.6m；Vertical secondary joist 6 is using diameter 48 multiplied by the round steel pipe or 40mm square steel tube of thickness 2.8mm
Spacing should not exceed 150mm；Shear wall formwork 1 is assembled appropriate to the occasion using taper 4, in case 2 bending deformation of template item causes concrete
Metope faulting of slab ends；1 edge joint position of template uses flitch back cord tooled joint mortar leakage prevention, and flitch is not involved in Force Calculation.
It is the preferred embodiment of the present invention above, does not depart from original of the invention for those of ordinary skill in the art
Under the premise of reason, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of shear wall, which dissipates, spells the structure that wooden model exempts from aperture reinforcement system, it is characterised in that: including being placed in shear wall two sides
Template (1), taper (4) and Screw arbor with nut at both-ends (3), the template (1) are equipped with template item (2), set on the template item (2)
Have screw hole (21), the taper is arranged between template (1), and the Screw arbor with nut at both-ends (3) passes through taper and is directed at spiral shell
Rod aperture 21) installation further includes main joist (5) and secondary joist (6), the secondary joist (6) is mounted vertically on template (1) face, institute
It states main joist (5) to be transversely mounted on template (1) face, mounting fixing parts on the keel, the Screw arbor with nut at both-ends (3) passes through nut
Come formboard fastening (1).
2. a kind of shear wall according to claim 1 dissipates the construction technology for spelling the structure that wooden model exempts from aperture reinforcement system,
It is characterized in that: including the following steps:
Step 1. is high according to basement floor and top plate thickness draws wallboard and spells mould figure, and the posting of template is arranged;
Step 2. carries out template ingredient according to mould figure is spelled, and Screw arbor with nut at both-ends hole is opened up on template item；
Step 3. unifies side wall template, and the horizontal spacing of Screw arbor with nut at both-ends is rationally arranged by Mechanics Calculation；
Step 4. arranges taper, installs Screw arbor with nut at both-ends, then close other side wall form；
Step 5. installs vertical secondary joist, lateral main joist, fastens Screw arbor with nut at both-ends nut；
Step 6. carries out self-test, mutually inspection and specially inspection, and management is checked and accepted.
3. shear wall according to claim 2 dissipates the construction technology for spelling the structure that wooden model exempts from aperture reinforcement system, feature
Be: in step 1, the foot of a wall of the shear wall welds positioning bar, and the Template Location frame, which uses, prevents rotten posting.
4. shear wall according to claim 2 dissipates the construction technology for spelling the structure that wooden model exempts from aperture reinforcement system, feature
Be: in step 2, the template item is used with whole template material, the template of thickness, and the mould width of sheet is greater than
80mm。
5. shear wall according to claim 2 dissipates the construction technology for spelling the structure that wooden model exempts from aperture reinforcement system, feature
Be: in step 3, when speed of perfusion, which is greater than 10m/h or the slump, is greater than 180mm, newly-laid concrete lateral pressure use with
Lower formula is calculated:；When other situations occur in speed of perfusion and the slump, counted with following formula
It calculates, takes smaller value:,
Wherein, γ c is the force density of concrete, and t is the presetting period of newly-laid concrete, and T is the molding temperature of concrete, V
For the speed of perfusion of concrete, H is at concrete lateral pressure calculating position to newly-laid concrete top surface total height, and β is concrete
The slump influences correction factor.
6. shear wall according to claim 6 dissipates the construction technology for spelling the structure that wooden model exempts from aperture reinforcement system, feature
It is: in step 3, the calculating for the characteristic value of load that the lateral pressure standard value for completing newly-laid concrete, the when of falling concrete generate,
The calculating of panel bending strength calculated value, section shear Strength Calculation value and panel maximum defluxion calculated value is completed, interior dragon is completed
Split bolt strength checking is completed in the calculating of bone, outer keel bending strength calculated value, outer keel maximum defluxion calculated value.
7. shear wall according to claim 2 dissipates the construction technology for spelling the structure that wooden model exempts from aperture reinforcement system, feature
It is: in step 4, flitch back cord tooled joint mortar leakage prevention is used at the formwork edge joint.
8. shear wall according to claim 2 dissipates the construction technology for spelling the structure that wooden model exempts from aperture reinforcement system, feature
Be: in steps of 5, template yin-yang angular position uses the vertical secondary joist of Two bors d's oeuveres.
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| CN201910630391.8A CN110344582A (en) | 2019-07-12 | 2019-07-12 | A kind of scattered structure and construction technology spelled wooden model and exempt from aperture reinforcement system of shear wall |
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| CN201910630391.8A CN110344582A (en) | 2019-07-12 | 2019-07-12 | A kind of scattered structure and construction technology spelled wooden model and exempt from aperture reinforcement system of shear wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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