CN111173256A - Building wood formwork and formwork construction method thereof - Google Patents
Building wood formwork and formwork construction method thereof Download PDFInfo
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- CN111173256A CN111173256A CN202010100930.XA CN202010100930A CN111173256A CN 111173256 A CN111173256 A CN 111173256A CN 202010100930 A CN202010100930 A CN 202010100930A CN 111173256 A CN111173256 A CN 111173256A
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- 238000009415 formwork Methods 0.000 title claims abstract description 51
- 239000002023 wood Substances 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 238000004080 punching Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000007493 shaping process Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000003566 sealing material Substances 0.000 description 6
- 230000007306 turnover Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- 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
-
- 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
- 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
- E04G17/005—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
- E04G17/02—Connecting or fastening means for non-metallic forming or stiffening 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
- E04G17/06—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
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- 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 provides a building wood formwork, wherein an integral single-sided wall formwork is formed by splicing a wood formwork and a joint formwork, the joint formwork is provided with hanging nails, and bolt holes are arranged on the joint formwork according to the design interval of split bolts; the joint template is arranged in the pulling area of the integral wall template; connecting sheets are arranged at the butt joint of the wood template and the joint template, and the connecting sheets are fixed with the wood template and the joint template through bolts; the method comprises the steps that a secondary edge is provided with a hanging hole in a slope matched with a hanging nail, and a wood template punching-free formwork supporting method is also provided; secondly, manufacturing a secondary edge with a hanging hole; the three-joint template and the wood template are spliced into an integral wall template, and the spliced joints are fixed through a connecting plate; and fourthly, installing the other side template after fixing the template on one side, closing the end template, hanging secondary ribs and performing other fixing construction. The invention divides the punching area and the template main body into blocks, thereby avoiding the repeated cutting and punching of the template main body (namely the wooden template).
Description
Technical Field
The invention belongs to the technical field of building templates, and particularly relates to a building wood template and a formwork construction method thereof.
Background
At present, shear walls are adopted in many residential projects, so that the requirements of people on space division are met. During the construction of a conventional shear wall, the wall body formwork is formed by cutting and splicing wooden formworks, secondary ribs are formed by adopting battens, main ribs are formed by adopting steel pipes, formworks on two sides of the wall body are fixed by split bolts, the wooden formworks need to be punched when the split bolts are installed, and the punching distance is generally 400 mm. In the repeated turnover, the template used each time is different in size and punching position, and most of templates need to be cut again and punched again. The random cutting and punching of the template causes the turnover number of the template to be reduced. After the number of times of the general turnover is 5-7 times, a whole template can not be found in the template, and the residual value rate is low.
In addition, in the prior art, sponge strips are mostly adopted for filling the joints between the templates, and the sponge strips are adhered again after each construction is finished, so that the manual efficiency reduction is caused, more pores and gaps exist, and the concrete water loss rate is higher. The supplementary structure of sponge strip also causes the template to demolish the back, and the negative and positive angle is uneven, and the template piece seam has the space, can not satisfy the requirement of present engineering to actual measurement. Therefore, a large amount of defect part repairing work is required after the mould is removed, and the repairing work amount is increased.
Disclosure of Invention
The invention provides a formwork which can be turned over for many times and is attractive in pouring and forming and a construction method for overcoming the defects in the prior art.
A building wood formwork comprises an integral wall formwork, a main ridge arranged horizontally and a secondary ridge arranged vertically, wherein the integral wall formwork is formed by splicing a wood formwork and a joint formwork, hanging nails are arranged on the outer side of the joint formwork at equal intervals, and bolt holes are arranged on the joint formwork at intervals according to split bolt design; the seam template is arranged in a pulling area of the integral wall template; connecting sheets are arranged at the butt joint of the wood template and the joint template, and the connecting sheets are fixed with the wood template and the joint template through bolts; the secondary edge is provided with a groove hanging hole, the lower part of the groove hanging hole is larger than the nail cap of the hanging nail, and the upper part of the groove hanging hole is smaller than the nail cap of the hanging nail.
Specifically, the seam formworks are arranged at the top, the middle and the lower parts of the integral wall formwork; the connecting piece is arranged at the butt joint position of the joint template and the wood template and the butt joint position of the extension sections of the joint template and the wood template.
A method for supporting a wood formwork without punching comprises the following steps:
firstly, a) manufacturing a wood template, and cutting the wood template into universal long and wide board surfaces by adopting a plywood plain template; b) manufacturing a seam template: adopting a wood board material, wherein the length is equal to the length of the wood template, and the width is set according to the height of the wall surface and the height of the wood template; secondary ridge hanging nails are arranged on the outer side of the joint template, the distance between the secondary ridge hanging nails is set according to the expected arrangement distance of the secondary ridges, and bolt holes are formed in the template at the distance of 600 mm;
secondly, manufacturing a secondary ridge by adopting a square rigid pipe, wherein groove hanging holes are formed in the inner side of the secondary ridge and are matched with the vertical intervals of the last-time ridge hanging nails of each joint template;
step three, a) manufacturing an external corner shaping main rib: adopting U-shaped channel steel, arranging bolt holes on the web plate according to the calculated design pitch, and arranging oval holes on wing plates on two sides of the end part of the main edge; b) manufacturing internal corner shaping main ridges: adopting U-shaped channel steel, wherein the inner diameter of the U-shaped channel steel is 50mm wide, and the wing plates on one side, facing the end surfaces of the two U-shaped channel steel, are fixedly welded into an L-shaped right-angle main ridge; c) manufacturing an external corner triangular cushion block, wherein the triangular cushion block is fixed on an adjusting split bolt arranged at the end part of the external corner;
fourthly, preparing a three-section type water stopping bolt for reinforcing the external wall template of the shear wall; preparing an L-shaped split bolt for reinforcing a template at the end part of the shear wall; preparing common split bolts for reinforcing the inner wall and reinforcing the main edge of the external corner U-shaped channel steel by matching with the triangular cushion block;
fifthly, after the wall reinforcing steel bar is concealed and accepted, carrying out die assembly on the shear wall template, splicing the seam template manufactured in the first step with the wood template, reinforcing and fixing the seam splicing part of the seam template and the adjacent extension seam template, the wood template and the adjacent extension wood template, and the seam splicing part of the seam template and the wood template by adopting connecting sheets to form a wall surface integral template, and enclosing and reinforcing the periphery of the wall surface template by using a frame to form a whole wall template;
sixthly, inserting split bolts into the bolt holes of the joint template, installing three-section water stop bolts on the outer wall, installing common split bolts on the inner wall, installing L-shaped split bolts at the end part of the wall, and then performing die assembly on the other side template and die assembly on the end template;
seventhly, vertically hanging the secondary edge manufactured in the second step on the hanging nail of the joint template;
step eight, laying main ridges: paving an external corner shaping main edge and an L-shaped internal corner shaping main edge respectively to reinforce wall corner templates, installing the template main edges manufactured in the third step outside split bolts arranged on each joint template respectively, and then locking the split bolts;
and ninthly, performing subsequent construction after checking and acceptance.
The invention has the advantages that: 1. the punching area and the template main body are divided into blocks, so that the template consumption caused by repeated cutting and punching of the template main body (namely a wooden template) is avoided, and the service life and the turnover frequency of most template materials are prolonged. 2. The template all adopts self-adhesion rubber elasticity waterproof sealing material banding, can prevent seam crossing water loss, can prevent simultaneously that the template from sticking up the limit. 3. The hanging nails on the joint template are combined with the secondary ridge hanging holes, so that the construction is convenient to install and disassemble, and the construction progress is accelerated.
Specifically, under the condition that the length of the main edge is insufficient, the main edge is overlapped with the end part of the main edge, and an oval penetrating nail is arranged on the main edge to prolong the main edge.
Specifically, the connection of the main edge of the wall surface and the main edge of the end part of the wall is reinforced by the L-shaped split bolt.
Preferably, the edge sealing of the edge of the hole is carried out by adopting high-strength resin.
Preferably, the thickness of the high-strength resin edge sealing is 3 mm.
Preferably, wear to establish the split bolt position on the preparation U type channel steel owner stupefied and set up U type checkpost and consolidate U type channel steel owner stupefied.
Preferably, the connecting piece is a galvanized steel plate with the thickness of 3 mm.
Preferably, the connecting sheet is installed at the joint meeting position of the wooden template and the joint template.
Drawings
FIG. 1 is a schematic view of the construction of a wood formwork according to the present invention;
FIG. 2 is a schematic view of a seam template structure;
FIG. 3 is a structural view of an integral wall form with a joint form and a plank form;
FIG. 4 is a joint template and plank sheathing joggle joint fixing structure diagram;
fig. 5 is a sub-corrugation structure of the present invention;
fig. 6 is a basic structure diagram of the main beam of the present invention;
FIG. 7 is a diagram of an external corner main edge node;
FIG. 8 is a diagram of reentrant corner main edge nodes;
FIG. 9 is a diagram of an end main edge node;
FIG. 10 is a schematic view of a main ridge extension structure;
fig. 11(a) is a three-stage water stop bolt;
FIG. 11(b) is an L-shaped split bolt;
FIG. 11(c) shows a conventional split bolt;
FIG. 12 is an overall view of a formwork structure of the present invention;
fig. 13 is a schematic cross-sectional structural view of the formwork structure of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings and a specific embodiment. Obviously, the construction examples provided in the present description are some examples of the present invention, but not all examples, and therefore, the description of the examples should not be taken as a limitation of the technical solution of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present embodiment is described in detail below with reference to the accompanying fig. 1-13:
a construction method of a building template comprises the following steps:
in the first step, a wooden form 1 as shown in FIG. 1 is fabricated, using a 15mm thick 1830X 915mm plywood flush form. In order to reduce water loss and prevent the template from warping and curling, the edges of the wooden template 1 are sealed by rubber elastic waterproof sealing materials, and the thickness of the self-adhesive rubber edge is 3 mm. The wood template 1 adopts a high-strength film-coated clean water template.
The seam molding board 2 shown in FIG. 2 was manufactured, and the length of the seam molding board 2 of this example was 1830mm as that of the wooden molding board 1. The width of the wooden template 1 is set to be 400mm, and the seam template 2 can be properly widened or reduced according to the height of the wall, namely the seam template is set by referring to the size of the wooden template and the height of the wall, so that the requirement of the pouring height of the wall body after the seam template and the wooden template are spliced is met. The outer side of the seam template 2 is provided with secondary ridge hanging nails 2-1, the length of the secondary ridge hanging nails is 5mm, phi 10, the distance between the secondary ridge hanging nails 2-1 is set according to the expected arrangement distance of the secondary ridges, and the distance in the example is set to be 200 mm; the joint template 2 is provided with bolt holes 2-2 for installing template split bolts, and the bolt holes are phi 20 and have a distance of 600 mm. The seam template 2 can be produced in a factory and customized mode by adopting a high-strength template with the thickness of 15mm, and the turnover use frequency can reach more than 40 times. The inner side and the outer side of the template are both coated with high-strength resin materials. And the edges of the seam template 2 are subjected to edge sealing treatment by rubber elastic waterproof sealing materials, and the thickness of the self-adhesive rubber edge sealing is 3 mm. The gasket is arranged on the periphery of the bolt hole 2-2 and is made of rubber elastic waterproof sealing material with the thickness of 3mm and the diameter of 30mm, and the gasket can effectively prevent water from seeping through the bolt hole.
And secondly, manufacturing secondary ridges 4 as shown in figure 5, namely, adopting a square steel pipe with the diameter of 40 multiplied by 60 multiplied by 3mm, wherein the inner side of the square steel pipe is provided with a groove hanging hole 4-1, and the groove hanging hole 4-1 is matched with the vertical distance of a secondary ridge hanging nail on each joint template. In this embodiment, as shown in fig. 12, three joint templates are respectively disposed at the upper, middle and lower parts of the wall, 3 convenient groove hanging holes 4-1 are also disposed at the inner side of the secondary edge 4 (i.e., the side attached to the template), and the 3 groove hanging holes correspond to the three-layer joint template shown in fig. 12. Of course, the groove hanging holes can be arranged in a plurality of numbers according to a certain interval, and idle groove hanging holes are allowed to exist during use.
And thirdly, manufacturing a main edge 5 as shown in figures 6-9, wherein the main edge adopts 5# U-shaped channel steel 50mm multiplied by 37mm multiplied by 4.5mm, and calculating the bolt hole pitch of the main edge according to the design of the template tie bolt, wherein the bolt hole pitch is generally 600 mm. The end parts of wing plates at two sides of the main ridge are provided with elliptical holes. The oval through nails can be connected with the long main beam and can also be used for installing L-shaped split bolts to connect the main beam of the inner wall with the main beam at the end part; the main beam is transversely arranged and is divided into an inner wall main beam, an end part main beam and a wall corner main beam according to the installation position. When the condition that the length of the main edge is insufficient is found in the construction of the inner wall formwork, the main edge is lapped with the end part of the main edge and is fixed through the oval through nails, so that the main edge is prolonged, as shown in figure 10.
Specifically, the method comprises the following steps: a) manufacturing a 5# U-shaped channel steel external corner shaping main edge: the U-shaped channel steel is adopted, bolt holes are formed in the web plate according to the calculated design pitch, and oval holes are formed in wing plates on two sides of the end portion of the main edge.
b) Manufacturing a 5# U-shaped channel steel internal corner shaping main edge: the U-shaped channel steel is adopted, the inner diameter width of the U-shaped channel steel is 50mm, and the wing plates on one side, facing the end faces of the two U-shaped channel steel, are fixedly connected into an L-shaped right-angle main edge in a full-welding mode.
c) An external corner triangular cushion block 6 is manufactured, the triangular cushion block 6 is shown in figure 7, and is a component which is fixedly connected by three steel plates and has a triangular section, wherein one bottom surface is fixedly connected with a main ridge, and the plate surfaces of two waists are provided with split bolt holes. The triangular cushion blocks 6 are fixed at the end parts of the main ridges of the external corner and tie the ends of the two main ridges 5 in the longitudinal direction and the transverse direction through the split bolts.
And fourthly, preparing a three-section water stop bolt as shown in fig. 11(a) for reinforcing the external wall formwork of the shear wall. The prepared L-shaped split bolts are shown in the attached figure 11(b) and are used for reinforcing the end formwork of the shear wall. Ordinary split bolts are prepared for reinforcing the inner wall as shown in fig. 11(c), or the split bolts are matched with triangular cushion blocks to reinforce the main edge of the external corner. Other components also include: and manufacturing an external corner triangular cushion block for facilitating the pull connection of the split bolt to the main edge end at the external corner position. Manufacturing a U-shaped channel steel clamp for reinforcing a main edge of the U-shaped channel steel; and manufacturing a U-shaped channel steel extension adjusting section shown in figure 10 for adjusting and extending the length of the main edge.
And fifthly, after the wall reinforcing steel bar is concealed and accepted, assembling the shear wall templates, splicing the seam templates manufactured in the first step with the wood templates, reinforcing and fixing the seam templates and the adjacent extension seam templates, the wood templates and the adjacent extension wood templates, and the joint seams of the seam templates and the wood templates by connecting sheets to form a wall surface integral template, and enclosing and reinforcing the periphery of the wall surface template by using a frame to form a whole wall template. The frame is fixed by square steel pipes or battens. The galvanized steel sheet with the thickness of the connecting sheet being 3mm is fixed by 8 screws with the diameter being 8 mm and the length being 12 mm; opposite-pulling bolts (the outer wall adopts three-section water stop bolts, the common bolts of the inner wall are matched with sleeves, and the end parts adopt L-shaped opposite-pulling bolts) are inserted.
And sixthly, inserting split bolts into the bolt holes of the joint template, installing three-section water stop bolts on the outer wall, installing common split bolts on the inner wall, installing L-shaped split bolts at the end part of the wall, and then performing die assembly on the other side template and die assembly on the end template.
And seventhly, vertically hanging the secondary edge manufactured in the second step on the hanging nail of the seam template.
And eighthly, laying main ribs of 5# U-shaped channel steel serving as the shear wall template main ribs, laying main ribs of L-shaped U-shaped channel steel at internal corners for shaping, reinforcing internal corner templates, reinforcing end template L-shaped split bolts, respectively installing the template main ribs manufactured in the third step on the outer sides of the split bolts arranged on the seam templates, and then locking the split bolts.
And ninthly, performing subsequent construction after checking and acceptance.
The shear wall joint template is produced into a high-strength template with the thickness of 15mm in an industrial customized manner. The hole diameter and the distance phi 20@600, the length of the secondary ridge hanging nail of 5mm phi 10@200 is arranged on the template on the outer side, high-strength resin material films are coated on the inner side, the outer side and the hole of the template, the diameter of the rubber elastic waterproof sealing ring with the thickness of 3mm is 30mm on the periphery of the opening of the inner template, and the edges and the peripheries of the wood template and the joint template are subjected to edge sealing treatment by using self-adhesive rubber elastic waterproof sealing materials with the thickness of 3 mm.
The vertical secondary ridges of the invention are square steel pipes with the length of 40mm multiplied by 60mm multiplied by 3mm, the vertical distance is 200mm, the inner side is provided with 3 groove hanging holes, and the distance between the hanging holes is 1150 mm.
The internal diameter of the L-shaped shaping main ridge of the internal corner of the invention adopts a 5# U-shaped channel steel internal corner, the width is 50mm, and the length can be adjusted according to the length of the wall; the length of a 5# U-shaped channel steel main ridge is connected with a length adjusting section, and the length of the adjusting section is 800 mm; the length of a main edge at the end part of the No. 5U-shaped channel steel is +200mm of wall width, generally 400mm, and each side of the main edge extends out of the wall edge by 100 mm;
the L-shaped split bolt is used for reinforcing the end formwork of the shear wall. The U-shaped channel steel clamp is used for reinforcing the main edge of the U-shaped channel steel.
The opposite-pulling bolts at the external corners of the ends of the shear wall adopt common opposite-pulling bolts, and the angles of the opposite-pulling bolts are adjusted by using the triangular cushion blocks so as to reinforce the main edges of the end templates.
The external corner main edge 5# U-shaped channel steel is 50mm multiplied by 37mm multiplied by 4.5mm, the vertical distance is 1150mm, and the hole distance is 600 mm.
The secondary edge of the end template die assembly of the short-limb shear wall adopts a 40mm multiplied by 60mm square steel pipe or a 40mm multiplied by 80mm wood beam, and the main edge is a 5# U-shaped channel steel, and holes are formed in two sides of the U-shaped channel steel and used for enabling L-shaped split bolts to penetrate through.
The formwork supporting method provided by the invention is simple and convenient to construct, avoids punching and cutting of the formwork, has high turnover frequency of main materials of the formwork, reduces the waste of the formwork, can be reused after the formwork is used up, has high residue value rate and good compactness of joints, improves the cast-in-place quality of the wall body, reduces the later maintenance time and improves the working efficiency; the whole quality of the concrete cast-in-place structure is guaranteed, meanwhile, the construction process is simplified, and the construction period is shortened. The invention adopts the rubber elastic waterproof sealing material for edge sealing treatment, has low water loss rate of seams and bolt holes, can prevent the edges of the template from being raised, improves the cast-in-place quality of the wall body, has strong universality and is convenient for large-area construction; the integral quality of the concrete cast-in-place structure is guaranteed, the construction process is simplified, the working efficiency is improved, the construction period is shortened, and good social benefit and economic benefit are achieved.
Claims (10)
1. The utility model provides a building plank sheathing, is stupefied characterized by including whole wall template, the main stupefied and the inferior of vertical setting of horizontal setting: the integral wall template is formed by splicing a wooden template and a joint template, hanging nails with equal intervals are arranged on the outer side of the joint template, and bolt holes are arranged on the joint template according to the design interval of split bolts; the seam template is arranged in a pulling area of the integral wall template; connecting sheets are arranged at the butt joint of the wood template and the joint template, and the connecting sheets are fixed with the wood template and the joint template through bolts; the secondary edge is provided with a groove hanging hole, the lower part of the groove hanging hole is larger than the nail cap of the hanging nail, and the upper part of the groove hanging hole is smaller than the nail cap of the hanging nail.
2. The building plank as defined in claim 1, wherein: the joint formworks are arranged at the top, the middle and the lower parts of the integral wall formwork; the connecting piece is arranged at the butt joint position of the joint template and the wood template and the butt joint position of the extension sections of the joint template and the wood template.
3. A method for supporting a wood formwork without punching comprises the following steps:
firstly, a) manufacturing a wood template, and cutting the wood template into universal long and wide board surfaces by adopting a plywood plain template; b) manufacturing a seam template: adopting a wood board material, wherein the length is equal to the length of the wood template, and the width is set according to the height of the wall surface and the height of the wood template; secondary ridge hanging nails are arranged on the outer side of the joint template, the distance between the secondary ridge hanging nails is set according to the expected arrangement distance of the secondary ridges, and bolt holes are formed in the template at the distance of 600 mm;
secondly, manufacturing a secondary ridge by adopting a square rigid pipe, wherein groove hanging holes are formed in the inner side of the secondary ridge and are matched with the vertical intervals of the last-time ridge hanging nails of each joint template;
step three, a) manufacturing an external corner shaping main rib: adopting U-shaped channel steel, arranging bolt holes on the web plate according to the calculated design pitch, and arranging oval holes on wing plates on two sides of the end part of the main edge; b) manufacturing internal corner shaping main ridges: adopting U-shaped channel steel, wherein the inner diameter of the U-shaped channel steel is 50mm wide, and the wing plates on one side, facing the end surfaces of the two U-shaped channel steel, are fixedly welded into an L-shaped right-angle main ridge; c) manufacturing an external corner triangular cushion block, wherein the triangular cushion block is fixed on an adjusting split bolt arranged at the end part of the external corner;
fourthly, preparing a three-section type water stopping bolt for reinforcing the external wall template of the shear wall; preparing an L-shaped split bolt for reinforcing a template at the end part of the shear wall; preparing common split bolts for reinforcing the inner wall and reinforcing the main edge of the external corner U-shaped channel steel by matching with the triangular cushion block;
fifthly, after the wall reinforcing steel bar is concealed and accepted, carrying out die assembly on the shear wall template, splicing the seam template manufactured in the first step with the wood template, reinforcing and fixing the seam splicing part of the seam template and the adjacent extension seam template, the wood template and the adjacent extension wood template, and the seam splicing part of the seam template and the wood template by adopting connecting sheets to form a wall surface integral template, and enclosing and reinforcing the periphery of the wall surface template by using a frame to form a whole wall template;
sixthly, inserting split bolts into the bolt holes of the joint template, installing three-section water stop bolts on the outer wall, installing common split bolts on the inner wall, installing L-shaped split bolts at the end part of the wall, and then performing die assembly on the other side template and die assembly on the end template;
seventhly, vertically hanging the secondary edge manufactured in the second step on the hanging nail of the joint template;
step eight, laying main ridges: paving an external corner shaping main edge and an L-shaped internal corner shaping main edge respectively to reinforce wall corner templates, installing the template main edges manufactured in the third step outside split bolts arranged on each joint template respectively, and then locking the split bolts;
and ninthly, performing subsequent construction after checking and acceptance.
4. The method for supporting the wooden formwork without punching according to claim 3, wherein: and under the condition that the length of the main edge is insufficient, the main edge is lapped with the end part of the main edge, and an oval penetrating nail is arranged to extend the main edge.
5. The method for supporting the wooden formwork without punching according to claim 3, wherein: the connection of the main edge of the wall surface and the main edge of the end part of the wall is reinforced by the L-shaped split bolt.
6. The method for supporting the wooden formwork without punching according to claim 3, wherein: the edge of the wooden template is sealed by high-strength resin at the edge of the edge joint and the edge of the hole.
7. The method for supporting the wooden formwork without punching according to the wooden formwork of claim 6, wherein: the high-strength resin edge sealing thickness is 3 mm.
8. The method for supporting the wooden formwork without punching according to claim 3, wherein: u type checkpost is consolidated main stupefied of U type channel steel to wear to establish the split bolt position on the preparation main stupefied of U type channel steel.
9. The method for supporting the wooden formwork without punching according to the wooden formwork of claim 1 or 3, wherein: the connecting piece is a galvanized steel plate with the thickness of 3 mm.
10. The method for supporting the wooden formwork without punching according to claim 3, wherein: the connecting sheet is arranged at the joint intersection position of the wood template and the joint template.
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| CN111910752A (en) * | 2020-07-31 | 2020-11-10 | 中国二十冶集团有限公司 | Construction method of novel outer wall waterproof protective layer |
| CN115075547A (en) * | 2022-05-06 | 2022-09-20 | 中建二局深圳建投发展有限公司 | Unilateral formwork supporting device and construction method |
| CN115772994A (en) * | 2021-09-06 | 2023-03-10 | 瑞洲建设集团有限公司 | Frame structure basement wall wood formwork installation construction method |
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| CN115075547A (en) * | 2022-05-06 | 2022-09-20 | 中建二局深圳建投发展有限公司 | Unilateral formwork supporting device and construction method |
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