CN110735529A - Construction process for shear wall plastic-wood combined template ultra-low-loss supporting construction - Google Patents
Construction process for shear wall plastic-wood combined template ultra-low-loss supporting construction Download PDFInfo
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- CN110735529A CN110735529A CN201910939264.6A CN201910939264A CN110735529A CN 110735529 A CN110735529 A CN 110735529A CN 201910939264 A CN201910939264 A CN 201910939264A CN 110735529 A CN110735529 A CN 110735529A
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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
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses an shear wall plastic-wood combined template ultra-low loss construction process, which relates to the technical field of building main body structures and comprises template distribution, paying off of a central line and a position line, elevation measurement, template positioning benchmark setting, staggered installation of plastic-wood templates, a support system installation, template verticality correction, template elevation rechecking, inspection and acceptance and concrete pouring, wherein a whole template is not provided with a pull screw hole to reduce template loss, the turnover frequency of the template is improved, and the shear wall concrete forming quality is improved, so that the defects in the prior art are overcome.
Description
Technical Field
The invention relates to the technical field of building main body structures, in particular to an ultra-low-loss construction process for supporting facilities by combining shear walls, plastic and wood.
Background
Along with the continuous deepening of building construction, the building construction becomes more complex, particularly in recent years, land resources are more and more precious, medium and high-rise building groups increase year by year, frame shear wall structures become mainstream structures in the market, the conventional construction process for erecting shear wall formworks conventionally adopts tie screws with the starting distance of less than or equal to 200mm and the upper part of 1020 multiplied by 200mm in vertical and transverse distances to reinforce, the formworks are greatly lost when the formworks are dismantled after concrete pouring is finished, and the formworks cannot be used due to the fact that the formwork is greatly lost and the turnover times cannot be reached due to the influence of factors such as layer height, reinforcement and the like.
Disclosure of Invention
() problems to be solved
Aiming at the defects of the prior art, the invention provides an construction process for ultra-low loss construction of shear wall plastic-wood combined templates, which has the advantages of greatly reducing the loss rate of the templates, improving the turnover times of the templates, increasing the utilization rate of more than 10cm of waste templates and the like, and solves the problem of large loss of the templates when the templates are removed after concrete pouring is finished.
(II) technical scheme
In order to achieve the purposes of greatly reducing the loss rate of the template, improving the turnover frequency of the template and increasing the utilization rate of the waste template of more than 10cm, the invention provides the following technical scheme that the construction process for supporting construction with ultralow loss of shear wall plastic wood combined templates comprises the following steps:
s1, matching the die: carrying out die matching design on the construction drawing shear wall through CAD, and alternately arranging plastic templates 1830mm multiplied by 920mm multiplied by 18mm and batten templates which are wood templates with the width of 100mm and the thickness of 18mm in the die matching process;
s2, paying off of the center line and the position line: when the bottom plate is poured and the strength is more than or equal to 1.2MPa, the manned axis is cast, firstly, the axis of the side wall of the building is guided and measured, each axis is guided by taking the axis as a starting point, and the inner line, the side line and the outer side control line of the template are popped out by using the ink line according to the position of the axis;
s3, measuring elevation: according to the 500mm elevation control line of the floor on the steel bar which is guided and detected by each floor, the control line of the plate bottom is directly guided and detected on the erected frame body, and then the beam and the template are erected according to the control line;
s4, setting a template positioning reference, namely cutting length-determined steel bars of the wall template according to the size of the section of the member, welding the steel bars into positioning ladder support bars with a supporting function, and welding the positioning ladder support bars on two vertical bars of the wall body at a distance of 1200 mm;
s5, installing plastic-wood templates in a staggered mode, namely drilling counter-pulling screw rod holes with the spacing of 200mm in the middle of the batten templates, assembling the batten templates and the plastic templates by setting at the distance of , reinforcing the templates by setting counter-pulling screw rods with the spacing of 1020mm vertical multiplied by 200mm horizontal according to the set counter-pulling screw rod holes, setting finished concrete linings with the spacing of less than or equal to 400mm along the assembling area of the batten templates, setting the longitudinal and transverse spacing of the linings in other areas to be less than or equal to 600mm, and arranging the linings in a quincunx shape;
s6, installing a support system, namely, reinforcing main and secondary back ridges all adopt 48.3 multiplied by 3.6mm steel pipes, the th height of the lower part of a wall body is less than or equal to 200mm, the lower part of the wall body is provided with not less than three horizontal double-nut reinforcements, the distance between inner keels is 200mm, the inner keels adopt single steel pipes 48.3 multiplied by 3.6mm, the outer keels adopt double steel pipes 48.3 multiplied by 3.6mm, the vertical distance between split bolts in a section is 200mm +1020mm multiplied by N + the width of a final template, wherein N is the number of a whole plastic template, the distance between the span directions of the sections is 200mm, the diameter is 14mm, the thickness of a panel is 18mm, the shearing strength is 1.4N/mm2, the bending strength is 15.0N/mm2, the elastic modulus is 6000.0N/mm2, the shear wall of an upper main structure adopts VC UPcasing pipe to penetrate through split screws, the distance between the split;
s7, correcting the verticality of the template and rechecking the elevation of the template: checking whether the relation between the root of the template and the control line meets the requirement, wherein the control line is 300mm or 500mm away from the side line of the wall, the line weight is picked out by using a steel bar or a batten, the vertical point of the line weight is led to the control line, the distance between the upper opening of the template and the vertical line from the middle is measured by using a box ruler, the template is vertical when the distance is equal to the lower distance, and the upper opening of the wall column is pulled through the control line to correct the middle wall model after two ends are corrected according to the axis;
s8, checking and accepting: checking and accepting strictly according to the national quality inspection standard, signing by technical responsible persons and general project supervision engineers of construction units after the checking and accepting are qualified, and entering the construction of subsequent processes;
s9, pouring concrete: the wood and the plastic mold plate are combined, the double-sided adhesive tape is additionally arranged at the position where the abutted seams are not tight, and the height of concrete pouring is not more than 3m each time.
As an preferable technical solution of the present invention, in S1, the batten template and the plastic template are arranged from bottom to top in a manner that is arranged at a vertical partition , and the batten template is used for cutting at a position where the whole plastic template cannot be arranged at the top.
In the preferred aspects of the present invention, in S1, the template is preferably a one-piece template, and the cutting and die-matching are performed when the whole template cannot be completed.
In the preferred technical solutions of the present invention, in S3, the bottom of the cushion of the form is leveled in advance.
In the preferred technical solutions of the present invention, the S6 is a lap joint type angle mold for installation.
In the preferred technical solutions of the present invention, in the S7, the position of the box ruler is selected at the end of the wall, the upper, middle and lower three points are measured, and the distance below is used as the base.
(III) advantageous effects
Compared with the prior art, the construction process has the advantages that the shear wall plastic wood combined template ultralow-loss erecting construction process has the following beneficial effects that the whole template is not provided with split screw holes, the template turnover frequency is improved, and the shear wall concrete forming quality is improved, so that the defects in the prior art are overcome, compared with the prior art, the construction process is suitable for 5m ultrathin shear walls, has wide application and application range, can push to be applied to buildings such as residential buildings, office buildings, commercial buildings and the like, or other engineering projects such as municipal engineering and hydraulic engineering needing shear wall structures, can be suitable for application surfaces, can ensure ultralow loss of the template, ensures construction safety, and has good application value of pushing , compared with other methods, the construction process has the advantages of excellent impression quality, short construction period, high construction efficiency and remarkable economic benefit, and the construction process of shear wall plastic wood combined template ultralow-loss erecting construction is an innovative crossing type shear formwork progress field of the shear wall construction.
Drawings
Fig. 1 is a flow chart of construction process of ultra-low loss supporting facilities of types of shear wall plastic-wood combined templates provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
Referring to fig. 1, the invention discloses an construction process for ultra-low loss supporting facilities of shear wall plastic-wood combined templates, which comprises the following steps:
s1, matching the die: carrying out die matching design on the construction drawing shear wall through CAD, and alternately arranging plastic templates 1830mm multiplied by 920mm multiplied by 18mm and batten templates which are wood templates with the width of 100mm and the thickness of 18mm in the die matching process;
s2, paying off of the center line and the position line: when the bottom plate is poured and the strength is more than or equal to 1.2MPa, the manned axis is cast, firstly, the axis of the side wall of the building is guided and measured, each axis is guided by taking the axis as a starting point, and the inner line, the side line and the outer side control line of the template are popped out by using the ink line according to the position of the axis;
s3, measuring elevation: according to the 500mm elevation control line of the floor on the steel bar which is guided and detected by each floor, the control line of the plate bottom is directly guided and detected on the erected frame body, and then the beam and the template are erected according to the control line;
s4, setting a template positioning reference, namely cutting length-determined steel bars of the wall template according to the size of the section of the member, welding the steel bars into positioning ladder support bars with a supporting function, and welding the positioning ladder support bars on two vertical bars of the wall body at a distance of 1200 mm;
s5, installing plastic-wood templates in a staggered mode, namely drilling tie screw holes with the spacing of 200mm in the middle of the batten templates for setting tie screws to reinforce primary and secondary ridges, ensuring the overall stability of a shear wall template supporting system, avoiding the problems of die expansion, die explosion and the like in the concrete pouring process, assembling the batten templates and the plastic templates by setting at a distance of , performing template reinforcement according to tie screws with the spacing of 1020mm vertical and 200mm horizontal in the set tie screw holes, setting finished concrete linings with the spacing of less than or equal to 400mm in the wood template batten assembling area, setting the longitudinal and transverse spacings of the linings of other areas of less than or equal to 600mm, and arranging the linings in a quincunx shape;
s6, installing a support system, namely, reinforcing main and secondary back ridges by adopting 48.3 multiplied by 3.6mm steel pipes, setting the th height of the lower part of a wall body to be less than or equal to 200mm, setting the lower part of the wall body to be reinforced by not less than three horizontal double-nuts, ensuring the concrete forming quality of the lower part of the wall body, ensuring the interval between inner keels to be 200mm, adopting single steel pipes to be 48.3 multiplied by 3.6mm for the inner keels, adopting double steel pipes to be 48.3 multiplied by 3.6mm for the outer keels, and setting the vertical interval of split bolts in a section to be 200mm +1020mm x N + the width of a tail template, wherein N is the number of a whole plastic template, the interval in the span direction of the section is 200mm, the diameter is 14mm, the thickness of a panel is 18mm, the shearing strength is 1.4N/mm2, the bending strength is 15.0N/mm2, the elastic modulus is 6000.0N/mm2, adopting UPVC casing penetrating;
s7, correcting the verticality of the template and rechecking the elevation of the template: checking whether the relation between the root of the template and the control line meets the requirement, wherein the distance between the control line and the side line of the wall is 300mm or 500mm, the line weight is picked out by using a steel bar or a batten, the vertical point of the line weight is enabled to be between the control line and the upper opening of the template, the distance between the middle of the template and the vertical line is measured by using a box ruler, the template is vertical when the distance is equal to the lower distance, the position is selected at the end of the wall, the upper, middle and lower three points are measured, the lower distance is used as a base number, and the upper opening of the wall column is pulled;
s8, checking and accepting: checking and accepting strictly according to the national quality inspection standard, signing by technical responsible persons and general project supervision engineers of construction units after the checking and accepting are qualified, and entering the construction of subsequent processes;
s9, pouring concrete: the wood and the plastic mold plate are combined, the double-sided adhesive tape is additionally arranged at the position where the abutted seams are not tight, and the height of concrete pouring is not more than 3m each time.
As specific technical solutions of this embodiment, in S1, the tie bar and the plastic formwork are set from bottom to top in a manner that is set at a vertical partition , a whole plastic formwork is not set at the top, the tie bar formwork is used for cutting, the formwork is preferably of a whole structure, and the cutting and the formwork matching are performed under the condition that the whole formwork cannot be set.
In this embodiment, consider that the setting is consolidated to drawing the screw rod, take vertical partition to establish 's mode to batten lath and plastic formwork and set up by supreme down, the preferential monoblock structure that adopts of template is favorable to improving the structure steadiness.
As a specific solution of in this embodiment, in S3, the bottom of the cushion of the form is leveled in advance.
In the embodiment, the template is leveled in advance to ensure the correct position of the template and prevent the bottom of the template from leaking slurry.
As specific technical solutions of this embodiment, in S6, a lap joint type angle mold is used during installation.
In the embodiment, the lap joint type angle mold can ensure the flatness of the wall and the concrete to be cast and tamped without slurry leakage and is convenient for mold removal.
The construction technology has the advantages that the number of turnover of the formwork is increased while the loss of the formwork is reduced due to the fact that the opposite-pull screw holes are not formed in the whole formwork, the forming quality of the shear wall concrete is improved, the defects in the prior art are overcome, the construction technology is suitable for 5m ultra-thick shear walls, the application range of is wide, can be pushed and applied to buildings such as residential buildings, office buildings and commercial buildings, or other engineering projects such as municipal engineering and hydraulic engineering needing shear wall structures, the application range of is applicable, the loss of the formwork can be reduced, the construction safety is guaranteed, pushing application value is good, compared with other methods, the construction technology has the advantages of being good in appearance quality, short in construction period, high in benefit and remarkable in economic benefit, and innovation of ultra-low-loss supporting construction of the shear wall plastic wood combined with the formwork is striding-type progress in the field of supporting formwork of main structure shear walls.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1, shear force wall moulds wooden combination template minimum loss and props up construction technology, its characterized in that, includes the following step:
s1, matching the die: carrying out die matching design on the construction drawing shear wall through CAD, and alternately arranging plastic templates 1830mm multiplied by 920mm multiplied by 18mm and batten templates which are wood templates with the width of 100mm and the thickness of 18mm in the die matching process;
s2, paying off of the center line and the position line: when the bottom plate is poured and the strength is more than or equal to 1.2MPa, the manned axis is cast, firstly, the axis of the side wall of the building is guided and measured, each axis is guided by taking the axis as a starting point, and the inner line, the side line and the outer side control line of the template are popped out by using the ink line according to the position of the axis;
s3, measuring elevation: according to the 500mm elevation control line of the floor on the steel bar which is guided and detected by each floor, the control line of the plate bottom is directly guided and detected on the erected frame body, and then the beam and the template are erected according to the control line;
s4, setting a template positioning reference, namely cutting length-determined steel bars of the wall template according to the size of the section of the member, welding the steel bars into positioning ladder support bars with a supporting function, and welding the positioning ladder support bars on two vertical bars of the wall body at a distance of 1200 mm;
s5, installing plastic-wood templates in a staggered mode, namely drilling counter-pulling screw rod holes with the spacing of 200mm in the middle of the batten templates, assembling the batten templates and the plastic templates by setting at the distance of , reinforcing the templates by setting counter-pulling screw rods with the spacing of 1020mm vertical multiplied by 200mm horizontal according to the set counter-pulling screw rod holes, setting finished concrete linings with the spacing of less than or equal to 400mm along the assembling area of the batten templates, setting the longitudinal and transverse spacing of the linings in other areas to be less than or equal to 600mm, and arranging the linings in a quincunx shape;
s6, installing a support system, namely, reinforcing main and secondary back ridges all adopt 48.3 multiplied by 3.6mm steel pipes, the th height of the lower part of a wall body is less than or equal to 200mm, the lower part of the wall body is provided with not less than three horizontal double-nut reinforcements, the distance between inner keels is 200mm, the inner keels adopt single steel pipes 48.3 multiplied by 3.6mm, the outer keels adopt double steel pipes 48.3 multiplied by 3.6mm, the vertical distance between split bolts in a section is 200mm +1020mm multiplied by N + the width of a final template, wherein N is the number of a whole plastic template, the distance between the span directions of the sections is 200mm, the diameter is 14mm, the thickness of a panel is 18mm, the shearing strength is 1.4N/mm2, the bending strength is 15.0N/mm2, the elastic modulus is 6000.0N/mm2, the shear wall of an upper main structure adopts VC UPcasing pipe to penetrate through split screws, the distance between the split;
s7, correcting the verticality of the template and rechecking the elevation of the template: checking whether the relation between the root of the template and the control line meets the requirement, wherein the control line is 300mm or 500mm away from the side line of the wall, the line weight is picked out by using a steel bar or a batten, the vertical point of the line weight is led to the control line, the distance between the upper opening of the template and the vertical line from the middle is measured by using a box ruler, the template is vertical when the distance is equal to the lower distance, and the upper opening of the wall column is pulled through the control line to correct the middle wall model after two ends are corrected according to the axis;
s8, checking and accepting: checking and accepting strictly according to the national quality inspection standard, signing by technical responsible persons and general project supervision engineers of construction units after the checking and accepting are qualified, and entering the construction of subsequent processes;
s9, pouring concrete: the wood and the plastic mold plate are combined, the double-sided adhesive tape is additionally arranged at the position where the abutted seams are not tight, and the height of concrete pouring is not more than 3m each time.
2. The ultra-low-loss construction process for supporting construction of shear wall plastic-wood combined templates, according to claim 1, wherein in S1, the batten templates and the plastic templates are arranged from bottom to top in a manner that a vertical partition is provided with , and the batten templates are cut at positions where the whole plastic templates cannot be arranged at the top.
3. The ultra-low-loss formwork erection construction process for shear wall plastic-wood combined formwork of claim 1, wherein in S1, the formwork is preferably a one-piece structure, and the formwork is cut and assembled under the condition that the whole formwork cannot be cut.
4. The ultra-low-loss formwork erection process of claim 1, wherein in S3, the bottom of the bearing pad of the formwork is pre-leveled.
5. The ultra-low loss construction process of shear wall plastic wood combined formwork of claim 1, wherein in S6, a lap joint type angle formwork is adopted during installation.
6. The ultra-low-loss construction process for shear wall plastic-wood combined templates in claim 1, wherein in S7, the position of a box ruler is selected at the end of the wall, three points including an upper point, a middle point and a lower point are measured, and the distance between the lower point and the middle point is taken as a base.
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Cited By (1)
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| CN115450426A (en) * | 2022-09-20 | 2022-12-09 | 中铁五局集团贵州工程有限公司 | Construction process based on multi-component template |
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Application publication date: 20200131 |