CN116537513A - Construction method for building engineering formwork - Google Patents

Construction method for building engineering formwork Download PDF

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Publication number
CN116537513A
CN116537513A CN202310674151.4A CN202310674151A CN116537513A CN 116537513 A CN116537513 A CN 116537513A CN 202310674151 A CN202310674151 A CN 202310674151A CN 116537513 A CN116537513 A CN 116537513A
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CN
China
Prior art keywords
template
templates
column
plate
formwork
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310674151.4A
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Chinese (zh)
Inventor
张国田
崔冲
陈栋梁
贾学礼
孟健
张�浩
王亮
张文龙
许龙
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Anhui Sanjian Engineering Co Ltd
Original Assignee
Anhui Sanjian Engineering Co Ltd
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Filing date
Publication date
Application filed by Anhui Sanjian Engineering Co Ltd filed Critical Anhui Sanjian Engineering Co Ltd
Priority to CN202310674151.4A priority Critical patent/CN116537513A/en
Publication of CN116537513A publication Critical patent/CN116537513A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
    • E04G13/062—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
    • 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
    • E04G17/02—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
    • 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
    • E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements

Landscapes

  • 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 a construction method of a building engineering template, which comprises the following steps: selecting a template; the method comprises the steps of designing and installing a shear wall template, designing and installing a column template, designing and installing beam and plate templates, designing and installing stair templates, constructing templates at special positions, adopting a post-cast strip formwork bottom plate and a side surface as templates, binding the templates on a U-shaped framework, removing the templates, clamping a main template keel of an adjacent template along the length direction of a wall body by using a counter-pulling screw in the design and the installation of the shear wall template, and reinforcing the counter-pulling screw of a main template main keel of an adjacent template and a counter-pulling connecting piece which are oppositely arranged, so that the strength of the shear wall template is greatly enhanced, and the safety of the shear wall template is fully ensured; the side face of the post-pouring belt formwork foundation slab in the construction of the special part formwork adopts a quick and easy closing-up net as the formwork, and the quick and easy closing-up net is bound on the U-shaped steel reinforcement framework, so that the installation and disassembly speeds of the formwork of the post-pouring belt are greatly accelerated.

Description

Construction method for building engineering formwork
Technical Field
The invention relates to the technical field of buildings, in particular to a construction method of a building engineering template.
Background
China is one of the countries with the largest global building market regulation, the building industry is the pillar industry in our country, and along with the development of the building industry, the competition in the building industry is also more and more vigorous, and the construction of building engineering templates is a key ring in building engineering, so that the building engineering template plays an important role in laying the construction foundation of the building engineering. The construction method of the building engineering template plays an important role in improving engineering quality, optimizing engineering content and increasing economic benefit, and is an effective means for improving comprehensive competitiveness of enterprises.
The traditional template construction method is obvious in the defect of construction engineering, and the turnover times are more than 4 times, so that warping is easy to occur; the plate seam is difficult to treat when the plate seam is assembled again; thickness tolerance is not easy to master, so that the dimension deviation of the building structure interface is caused; thereby affecting the quality of the building.
Disclosure of Invention
In order to solve the problems, the invention provides the following technical scheme:
a construction method of a building engineering template comprises the following steps: the method comprises the following specific steps of template selection, shear wall template design and installation, column template design and installation, beam and plate template design and installation, stair template design and installation, special part template construction and template removal:
a) Selection of templates
The raft foundation adopts brick ground, and the shear wall, the top plate, the beam template and the stairs adopt wood templates;
b) Design and installation of shear wall templates
The wall plate templates such as the shear wall and the like are spliced into a large template on site by adopting thick plywood, the template main keels arranged along the length direction of the wall body are clamped by opposite-pull screw rods, and the adjacent template main keels are reinforced by the opposite-pull screw rods and opposite-pull connecting pieces; the outer side of the outer wall and other templates are hung with some allowance, and the templates are locked by pre-embedded screws; before the formwork is erected, positioning and paying off of the shear wall are carried out according to the control axis, a formwork side line is sprung out on the operation surface, sundries in the formwork are cleaned up, and loose stones are cleaned up; the supporting of the shear wall template is used for strictly controlling the axis deviation and the bidirectional perpendicularity;
c) Design and installation of column templates
The width of the column template is determined according to the geometric dimension of the column, and the column hoop adopts double channel steel; the column template face mould adopts a thick glued multilayer board, and the back rib adopts a wood ridge; the back rib and the multi-layer board are nailed by iron nails; if the joint does not meet the construction specification requirements, the joint is stuck by adopting a self-adhesive sponge strip; the back rib is laterally placed, adjacent column molds are connected by adopting an opening type contact, and a sponge strip is stuck at the opening position during construction to ensure the forming of the external corners of the column concrete; the column hoop is formed by connecting channel steel and a screw rod, and comprises a first hoop body and a second hoop body, wherein connecting plates are fixedly connected to the hoop bodies respectively and are hinged with connecting seats; a wall penetrating screw is additionally arranged in the middle of the large-section column template, a screw is additionally arranged in the middle of the horizontal direction, and a plastic sleeve is arranged outside the screw; mounting sequence of column templates: spring wire, cleaning sundries in a column, positioning and paying off, steel bar hiding inspection and acceptance, nailing column frame strips, column die installation, back edge installation, template position adjustment, first column hoop installation, positioning and supporting, second column hoop and upper column hoop installation in sequence, rechecking verticality, template positioning, three-inspection pre-inspection acceptance and engineering inspection;
d) Design and installation of beam and plate templates
The beam and plate template support adopts a socket sleeve type inner frame support system scaffold, the scaffold comprises a vertical rod and two horizontal rods, the vertical rod is provided with a connecting disc, an early dismantling system column head is adopted, and the connecting disc comprises a disc body, and a pin hole and a slot hole which are arranged on the disc body; the two horizontal rods comprise a first horizontal rod and a second horizontal rod, the first horizontal rod is provided with a joint, the joint is provided with a joint hole, the joint hole is matched with the size of the pin hole, and the second horizontal rod is provided with a plugboard which can be inserted into the slotted hole; the main keels are double steel pipes, the secondary keels are square, a thick wood template is paved on the upper part of the main keels, nails are used for nailing, and double-sided adhesive tapes are sewn and stuck; and (3) formwork supporting sequence: construction paying-off, building a full scaffold, paving a template, connecting and fixing the template, and comprehensively checking; plate formwork: according to the elevation control line, a full-hall bearing bracket is erected, a veneer is paved on the quick-dismantling support head, and the support head is adjusted to reach the design elevation; the beam mold is connected with the cross beam of the support beam bottom template and the beam clamp, the interval between the beam mold and the beam clamp is as great as the matching plate of the longitudinal corrugated plates of the beam side template, the beam bottom side mold is preferably arranged along the length direction of the beam, the end joints are generally staggered, the straight interval is suitable, and the supporting condition of the floor slab template is taken care of; the joint parts of the beam, the plate and the column do not divide the formwork for two times, when the span of the beam and the plate is overlarge, the middle part of the formwork should arch, and the beam with overlarge width and height is reinforced by adopting a pull bolt; mounting sequence of beam and plate templates: spring control wires, erecting a full scaffold, adjusting elevation of a beam bottom steel tube, installing a beam bottom template, installing a top support and leveling, installing a beam side template, liang Bian wood purlin in place, arranging a main keel and a secondary keel, paving a floor template, and supporting and reinforcing;
e) Stair template design and installation
The stair template mainly comprises a bottom die, side wall dies, reverse triangular wood and step side plates, wherein the stair bottom die is paved on a supporting wood by using bamboo plywood, the stair outer wall side dies are wood dies, and the width is the thickness of the stair plate and the height of the steps; the stair bottom plate adopts a multilayer plate, wood edges are lowered, the tread plate is manufactured by planing a thick white pine plate and is brushed with oil, connecting plates and clamping plates are fixedly arranged at two ends of the tread plate, a plurality of identical clamping parts are arranged on the clamping plates, adjusting parts are arranged on the clamping parts, and a shell of the clamping parts is fixedly arranged on the clamping plates; the upright rod cannot be arranged in the middle of the stair, and the cross rod cannot be deep beyond the stair well for a certain distance; the mounting sequence of the stair templates is as follows: construction lofting, supporting a platform template, supporting a stair bottom die, forming a bottom plate thickness bottom line of a spring bottom plate, forming a spring side plate position line, erecting a stair side template, assembling a stepping and skirting template;
f) Construction of special part templates
The side face of the post-pouring belt formwork foundation slab adopts a quick and easy closing-up net as a template, the quick and easy closing-up net template is bound on a U-shaped steel reinforcement framework, the U-shaped framework is supported, a plurality of circles which are regularly arranged are arranged on side plates of the U-shaped framework, and a plurality of diamond-shaped slotted holes which are uniformly distributed are formed in a middle plate of the U-shaped framework; the post-pouring strip of the floor slab adopts a comb template, the detail node treatment measures the wide and narrow template strips are nailed at the joint of the wall and the column template, and the two wood beams are used for compaction; a wood purlin is nailed at the internal corners of the two beam joints, sponge strips are stuck at the joints of the internal corners and the external corners of all wall column templates, lining wood purlins are nailed on the beam side plates at the beam joint positions, and the plate templates are nailed on the lining wood purlins;
g) Template removal
The side mould is detachable after the concrete strength can ensure that the edge angle of the concrete surface is not damaged by mould removal, and the side mould of the template in the engineering can be removed after reaching the design strength; the bottom die can be removed after the concrete strength is matched.
As still further aspects of the invention: in the step (b) and the step (c), the flatness and rigidity of the template are ensured when the template is installed, and the integral effect of the concrete after the template is removed is ensured.
As still further aspects of the invention: in the step (g), the detached templates clean the adhesion substances in time, the release agent is coated, and the detached fasteners are collected and managed in time.
The beneficial effects of the invention are as follows:
1. the formwork main joists along the length direction of the wall body in the design and installation of the shear wall formwork are clamped by the opposite-pull screws of the frontal main joists of the adjacent formworks and opposite-arranged opposite-pull connecting pieces, so that the strength of the shear wall formwork is greatly enhanced, and the safety of the shear wall formwork is fully ensured;
2. the scaffold comprises a vertical rod and two horizontal rods, wherein the vertical rod is provided with a connecting disc, and the early-dismantling system column head is adopted to facilitate the installation and disassembly of the scaffold and the stability of the scaffold in use;
3. the side face of the post-pouring belt formwork foundation slab in the construction of the special part formwork adopts a quick and easy closing-up net as the formwork, and the quick and easy closing-up net is bound on the U-shaped steel reinforcement framework, so that the installation and disassembly speeds of the formwork of the post-pouring belt are greatly accelerated.
Drawings
FIG. 1 is a schematic view of the construction flow of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A construction method of a building engineering template comprises the following steps: the method comprises the following specific steps of template selection, shear wall template design and installation, column template design and installation, beam and plate template design and installation, stair template design and installation, special part template construction and template removal:
a) Selection of templates
The raft foundation adopts brick ground, and the shear wall, the top plate, the beam template and the stairs adopt wood templates;
b) Design and installation of shear wall templates
The wall plate templates such as the shear wall and the like are spliced into a large template on site by adopting thick plywood, the template main keels arranged along the length direction of the wall body are clamped by opposite-pull screw rods, and the adjacent template main keels are reinforced by the opposite-pull screw rods and opposite-pull connecting pieces; the outer side of the outer wall and other templates are hung with some allowance, and the templates are locked by pre-embedded screws; before the formwork is erected, positioning and paying off of the shear wall are carried out according to the control axis, a formwork side line is sprung out on the operation surface, sundries in the formwork are cleaned up, and loose stones are cleaned up; the supporting of the shear wall template is used for strictly controlling the axis deviation and the bidirectional perpendicularity;
c) Design and installation of column templates
The width of the column template is determined according to the geometric dimension of the column, and the column hoop adopts double channel steel; the column template face mould adopts a thick glued multilayer board, and the back rib adopts a wood ridge; the back rib and the multi-layer board are nailed by iron nails; if the joint does not meet the construction specification requirements, the joint is stuck by adopting a self-adhesive sponge strip; the back rib is laterally placed, adjacent column molds are connected by adopting an opening type contact, and a sponge strip is stuck at the opening position during construction to ensure the forming of the external corners of the column concrete; the column hoop is formed by connecting channel steel and a screw rod, and comprises a first hoop body and a second hoop body, wherein connecting plates are fixedly connected to the hoop bodies respectively and are hinged with connecting seats; a wall penetrating screw is additionally arranged in the middle of the large-section column template, a screw is additionally arranged in the middle of the horizontal direction, and a plastic sleeve is arranged outside the screw; mounting sequence of column templates: spring wire, cleaning sundries in a column, positioning and paying off, steel bar hiding inspection and acceptance, nailing column frame strips, column die installation, back edge installation, template position adjustment, first column hoop installation, positioning and supporting, second column hoop and upper column hoop installation in sequence, rechecking verticality, template positioning, three-inspection pre-inspection acceptance and engineering inspection;
d) Design and installation of beam and plate templates
The beam and plate template support adopts a socket sleeve type inner frame support system scaffold, the scaffold comprises a vertical rod and two horizontal rods, the vertical rod is provided with a connecting disc, an early dismantling system column head is adopted, and the connecting disc comprises a disc body, and a pin hole and a slot hole which are arranged on the disc body; the two horizontal rods comprise a first horizontal rod and a second horizontal rod, the first horizontal rod is provided with a joint, the joint is provided with a joint hole, the joint hole is matched with the size of the pin hole, and the second horizontal rod is provided with a plugboard which can be inserted into the slotted hole; the main keels are double steel pipes, the secondary keels are square, a thick wood template is paved on the upper part of the main keels, nails are used for nailing, and double-sided adhesive tapes are sewn and stuck; and (3) formwork supporting sequence: construction paying-off, building a full scaffold, paving a template, connecting and fixing the template, and comprehensively checking; plate formwork: according to the elevation control line, a full-hall bearing bracket is erected, a veneer is paved on the quick-dismantling support head, and the support head is adjusted to reach the design elevation; the beam mold is connected with the cross beam of the support beam bottom template and the beam clamp, the interval between the beam mold and the beam clamp is as great as the matching plate of the longitudinal corrugated plates of the beam side template, the beam bottom side mold is preferably arranged along the length direction of the beam, the end joints are generally staggered, the straight interval is suitable, and the supporting condition of the floor slab template is taken care of; the joint parts of the beam, the plate and the column do not divide the formwork for two times, when the span of the beam and the plate is overlarge, the middle part of the formwork should arch, and the beam with overlarge width and height is reinforced by adopting a pull bolt; mounting sequence of beam and plate templates: spring control wires, erecting a full scaffold, adjusting elevation of a beam bottom steel tube, installing a beam bottom template, installing a top support and leveling, installing a beam side template, liang Bian wood purlin in place, arranging a main keel and a secondary keel, paving a floor template, and supporting and reinforcing;
e) Stair template design and installation
The stair template mainly comprises a bottom die, side wall dies, reverse triangular wood and step side plates, wherein the stair bottom die is paved on a supporting wood by using bamboo plywood, the stair outer wall side dies are wood dies, and the width is the thickness of the stair plate and the height of the steps; the stair bottom plate adopts a multilayer plate, wood edges are lowered, the tread plate is manufactured by planing a thick white pine plate and is brushed with oil, connecting plates and clamping plates are fixedly arranged at two ends of the tread plate, a plurality of identical clamping parts are arranged on the clamping plates, adjusting parts are arranged on the clamping parts, and a shell of the clamping parts is fixedly arranged on the clamping plates; the upright rod cannot be arranged in the middle of the stair, and the cross rod cannot be deep beyond the stair well for a certain distance; the mounting sequence of the stair templates is as follows: construction lofting, supporting a platform template, supporting a stair bottom die, forming a bottom plate thickness bottom line of a spring bottom plate, forming a spring side plate position line, erecting a stair side template, assembling a stepping and skirting template;
f) Construction of special part templates
The side face of the post-pouring belt formwork foundation slab adopts a quick and easy closing-up net as a template, the quick and easy closing-up net template is bound on a U-shaped steel reinforcement framework, the U-shaped framework is supported, a plurality of circles which are regularly arranged are arranged on side plates of the U-shaped framework, and a plurality of diamond-shaped slotted holes which are uniformly distributed are formed in a middle plate of the U-shaped framework; the post-pouring strip of the floor slab adopts a comb template, the detail node treatment measures the wide and narrow template strips are nailed at the joint of the wall and the column template, and the two wood beams are used for compaction; a wood purlin is nailed at the internal corners of the two beam joints, sponge strips are stuck at the joints of the internal corners and the external corners of all wall column templates, lining wood purlins are nailed on the beam side plates at the beam joint positions, and the plate templates are nailed on the lining wood purlins;
g) Template removal
The side mould is detachable after the concrete strength can ensure that the edge angle of the concrete surface is not damaged by mould removal, and the side mould of the template in the engineering can be removed after reaching the design strength; the bottom die can be removed after the concrete strength is matched.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (2)

1. A construction method of a building engineering template comprises the following steps:
a) Selection of templates
b) Design and installation of shear wall templates
c) Design and installation of column templates
d) Design and installation of beam and plate templates
e) Stair template design and installation
f) Construction of special part templates
g) Template removal
The method is characterized in that:
a) Selection of templates
The raft foundation adopts brick ground, and the shear wall, the top plate, the beam template and the stairs adopt wood templates;
b) Design and installation of shear wall templates
The wall plate templates such as the shear wall and the like are spliced into a large template on site by adopting thick plywood, the template main keels arranged along the length direction of the wall body are clamped by opposite-pull screw rods, and the adjacent template main keels are reinforced by the opposite-pull screw rods and opposite-pull connecting pieces; the outer side of the outer wall and other templates are hung with some allowance, and the templates are locked by pre-embedded screws; before the formwork is erected, positioning and paying off of the shear wall are carried out according to the control axis, a formwork side line is sprung out on the operation surface, sundries in the formwork are cleaned up, and loose stones are cleaned up; the supporting of the shear wall template is used for strictly controlling the axis deviation and the bidirectional perpendicularity;
c) Design and installation of column templates
The width of the column template is determined according to the geometric dimension of the column, and the column hoop adopts double channel steel; the column template face mould adopts a thick glued multilayer board, and the back rib adopts a wood ridge; the back rib and the multi-layer board are nailed by iron nails; if the joint does not meet the construction specification requirements, the joint is stuck by adopting a self-adhesive sponge strip; the back rib is laterally placed, adjacent column molds are connected by adopting an opening type contact, and a sponge strip is stuck at the opening position during construction to ensure the forming of the external corners of the column concrete; the column hoop is formed by connecting channel steel and a screw rod, and comprises a first hoop body and a second hoop body, wherein connecting plates are fixedly connected to the hoop bodies respectively and are hinged with connecting seats; a wall penetrating screw is additionally arranged in the middle of the large-section column template, a screw is additionally arranged in the middle of the horizontal direction, and a plastic sleeve is arranged outside the screw; mounting sequence of column templates: spring wire, cleaning sundries in a column, positioning and paying off, steel bar hiding inspection and acceptance, nailing column frame strips, column die installation, back edge installation, template position adjustment, first column hoop installation, positioning and supporting, second column hoop and upper column hoop installation in sequence, rechecking verticality, template positioning, three-inspection pre-inspection acceptance and engineering inspection;
d) Design and installation of beam and plate templates
The beam and plate template support adopts a socket sleeve type inner frame support system scaffold, the scaffold comprises a vertical rod and two horizontal rods, the vertical rod is provided with a connecting disc, an early dismantling system column head is adopted, and the connecting disc comprises a disc body, and a pin hole and a slot hole which are arranged on the disc body; the two horizontal rods comprise a first horizontal rod and a second horizontal rod, the first horizontal rod is provided with a joint, the joint is provided with a joint hole, the joint hole is matched with the size of the pin hole, and the second horizontal rod is provided with a plugboard which can be inserted into the slotted hole; the main keels are double steel pipes, the secondary keels are square, a thick wood template is paved on the upper part of the main keels, nails are used for nailing, and double-sided adhesive tapes are sewn and stuck; and (3) formwork supporting sequence: construction paying-off, building a full scaffold, paving a template, connecting and fixing the template, and comprehensively checking; plate formwork: according to the elevation control line, a full-hall bearing bracket is erected, a veneer is paved on the quick-dismantling support head, and the support head is adjusted to reach the design elevation; the beam mold is connected with the cross beam of the support beam bottom template and the beam clamp, the interval between the beam mold and the beam clamp is as great as the matching plate of the longitudinal corrugated plates of the beam side template, the beam bottom side mold is preferably arranged along the length direction of the beam, the end joints are generally staggered, the straight interval is suitable, and the supporting condition of the floor slab template is taken care of; the joint parts of the beam, the plate and the column do not divide the formwork for two times, when the span of the beam and the plate is overlarge, the middle part of the formwork should arch, and the beam with overlarge width and height is reinforced by adopting a pull bolt; mounting sequence of beam and plate templates: spring control wires, erecting a full scaffold, adjusting elevation of a beam bottom steel tube, installing a beam bottom template, installing a top support and leveling, installing a beam side template, liang Bian wood purlin in place, arranging a main keel and a secondary keel, paving a floor template, and supporting and reinforcing;
e) Stair template design and installation
The stair template mainly comprises a bottom die, side wall dies, reverse triangular wood and step side plates, wherein the stair bottom die is paved on a supporting wood by using bamboo plywood, the stair outer wall side dies are wood dies, and the width is the thickness of the stair plate and the height of the steps; the stair bottom plate adopts a multilayer plate, wood edges are lowered, the tread plate is manufactured by planing a thick white pine plate and is brushed with oil, connecting plates and clamping plates are fixedly arranged at two ends of the tread plate, a plurality of identical clamping parts are arranged on the clamping plates, adjusting parts are arranged on the clamping parts, and a shell of the clamping parts is fixedly arranged on the clamping plates; the upright rod cannot be arranged in the middle of the stair, and the cross rod cannot be deep beyond the stair well for a certain distance; the mounting sequence of the stair templates is as follows: construction lofting, supporting a platform template, supporting a stair bottom die, forming a bottom plate thickness bottom line of a spring bottom plate, forming a spring side plate position line, erecting a stair side template, assembling a stepping and skirting template;
f) Construction of special part templates
The side face of the post-pouring belt formwork foundation slab adopts a quick and easy closing-up net as a template, the quick and easy closing-up net template is bound on a U-shaped steel reinforcement framework, the U-shaped framework is supported, a plurality of circles which are regularly arranged are arranged on side plates of the U-shaped framework, and a plurality of diamond-shaped slotted holes which are uniformly distributed are formed in a middle plate of the U-shaped framework; the post-pouring strip of the floor slab adopts a comb template, the detail node treatment measures the wide and narrow template strips are nailed at the joint of the wall and the column template, and the two wood beams are used for compaction; a wood purlin is nailed at the internal corners of the two beam joints, sponge strips are stuck at the joints of the internal corners and the external corners of all wall column templates, lining wood purlins are nailed on the beam side plates at the beam joint positions, and the plate templates are nailed on the lining wood purlins;
g) Template removal
The side mould is detachable after the concrete strength can ensure that the edge angle of the concrete surface is not damaged by mould removal, and the side mould of the template in the engineering can be removed after reaching the design strength; the bottom die can be removed after the concrete strength is matched.
2. The formwork construction method as claimed in claim 1, wherein the formwork is an aluminum formwork or a wood formwork.
CN202310674151.4A 2023-06-08 2023-06-08 Construction method for building engineering formwork Pending CN116537513A (en)

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Application Number Priority Date Filing Date Title
CN202310674151.4A CN116537513A (en) 2023-06-08 2023-06-08 Construction method for building engineering formwork

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Application Number Priority Date Filing Date Title
CN202310674151.4A CN116537513A (en) 2023-06-08 2023-06-08 Construction method for building engineering formwork

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Publication Number Publication Date
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