CN112267676A - Formwork erecting method for settlement joint wall in narrow space of high-rise building - Google Patents
Formwork erecting method for settlement joint wall in narrow space of high-rise building Download PDFInfo
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- CN112267676A CN112267676A CN202011268036.XA CN202011268036A CN112267676A CN 112267676 A CN112267676 A CN 112267676A CN 202011268036 A CN202011268036 A CN 202011268036A CN 112267676 A CN112267676 A CN 112267676A
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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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
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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
- 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 a formwork erecting method for a settlement joint wall body in a narrow space of a high-rise building, which comprises the steps of manufacturing an inner side wood formwork and an outer side wood formwork, adhering kraft paper on the inner side surface, coating grease on the inner side surface, installing wood prisms on the outer side surface, and symmetrically forming bolt holes; hoisting the inner side wooden template and the outer side wooden template, placing the outer side wooden template on a reserved supporting block on the outer side of the settlement joint wall body, attaching the outer side wooden template to the outer side of the steel bar framework, fixing the inner side wooden template on the inner side of the steel bar framework, and fixing the inner side wooden template and the outer side wooden template by bolts; the outer sides of the wood prisms of the inner and outer side wood templates are fitted with transverse square steel keel prisms, and the inner side wood template is fixedly supported by using diagonal bracing columns; the top and the two ends of the inner and outer side wooden templates are clamped and connected by fastening clamping pieces, and supporting wooden piles are inserted between the outer side wooden template and the poured wall body at intervals. The method adopts the wooden template and can be recycled, reduces the resource consumption, ensures the smoothness of the wall body, can prevent water and prevents the template from deforming under stress in the concrete pouring process.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to a formwork erecting method for a settlement joint wall body in a narrow space of a high-rise building.
Background
The settlement joint is a vertical joint provided to prevent the house from being damaged due to the uneven settlement of the foundation of each part of the building. When the height, load and structural form of adjacent parts of a house are very different and the foundation is weak, the house may be unevenly settled, so that weak parts of some structures are cracked. For this reason, settlement joints should be provided at appropriate positions such as complex planes, body transitions, height variations or loads, compressibility of the foundation, and significantly different ways of treating the foundation.
When the walls on two sides of the settlement joint are constructed, the trouble and inconvenience for supporting the formwork with the wall are very high, the existing traditional settlement joint wall formwork supporting mode is that after the reinforcement of the shear walls on two sides is finished, the extruded polystyrene board is placed in the settlement joint position, and then concrete is poured simultaneously. The drawback of this mode is when concreting, and the extruded polystyrene board warp easily, and shear force wall protective layer thickness can not obtain effective control, and the granule that concrete and heated board friction produced gets into the shear force wall, forms the quality hidden danger, and in addition, the extruded polystyrene board is put into on every layer, causes the material extravagant, and cost increase is unfavorable for environmental protection moreover.
Disclosure of Invention
The invention aims to solve the technical problem of providing a formwork method for a settlement joint wall in a narrow space of a high-rise building, which overcomes the defects of the traditional formwork method for the settlement joint wall, adopts a wooden formwork and can be recycled, reduces the resource consumption, ensures the smoothness of the wall, can prevent water and prevents the formwork from deforming under stress in the concrete pouring process.
In order to solve the technical problem, the formwork method for the settlement joint wall body in the narrow space of the high-rise building comprises the following steps:
firstly, manufacturing inner and outer side wood formworks, adhering a layer of kraft paper on the inner side surface of each wood formwork by adopting water emulsion water, coating grease on the surface of the kraft paper, placing the inner and outer side wood formworks in a shade place for air drying, then installing wood prisms on the outer side surfaces of the inner and outer side wood formworks at intervals through nails, and symmetrically forming bolt holes on the inner and outer side wood formworks;
hoisting the inner side wooden template and the outer side wooden template by adopting a tower crane respectively, placing the outer side wooden template on a reserved supporting block on the outer side of the settlement joint wall body, and enabling the inner side surface of the outer side wooden template to be attached to the outer side of the prefabricated and built settlement joint wall body steel bar framework and to be positioned on the same vertical line with the outer side of the poured bottom wall body;
fixing the inner side wooden template on the inner side of the steel bar frame, aligning bolt holes of the inner side wooden template and the outer side wooden template, keeping the bolt holes symmetrical, and screwing a nut into the bolt holes of the inner side wooden template and the outer side wooden template for fixing by adopting a bolt;
fourthly, fitting and installing transverse square steel keel prisms on the outer sides of the wood prisms of the inner and outer side wood templates, welding and fixing the keel prisms of the inner and outer side wood templates together at two ends of the settlement joint wall body, and fixedly supporting the inner side wood template by adopting an inclined supporting column;
step five, fastening clamping pieces are adopted at the top and two ends of the inner and outer side wood templates for clamping connection, the distance between the inner and outer side wood templates is matched with the thickness of the settlement joint wall body, and the reduction of the thickness of the settlement joint wall body caused by excessive fastening and the occurrence of burst at the port positions of the inner and outer side wood templates in the concrete pouring process are prevented;
and step six, inserting supporting wooden piles between the outer side wooden template and the poured wall at intervals to prevent the outer side wooden template from bulging due to pressure in the concrete pouring process to cause uneven settlement joint wall.
Further, in the first step, the wood prisms are arranged along the vertical direction of the inner side wood template and the outer side wood template at intervals of 80 cm.
And furthermore, lifting lugs are arranged on the top surfaces of the inner side wooden template and the outer side wooden template in the second step, and the tower crane is used for hoisting the inner side wooden template and the outer side wooden template through the lifting lugs.
Furthermore, a groove is formed in the top surface of the reserved supporting block in the second step, and the bottom end of the outer side wood formwork is embedded into the groove in the top surface of the reserved supporting block.
Further, embolia the PVC pipe on the bolt between the outer side plank sheathing in the step three to the both ends of PVC pipe lean on outer side plank sheathing in the interior, and the concrete enters into the PVC intraduct when preventing concrete placement.
Furthermore, at least three groups of keel prisms are arranged in the four middle keel prisms in the step and are respectively positioned at the upper end, the lower end and the middle position of the inner side wood template and the outer side wood template.
Further, the fastening fastener in the fifth step is a step fastening fastener.
The formwork erecting method for the settlement joint wall body in the narrow space of the high-rise building adopts the technical scheme that the method is used for manufacturing the inner and outer side wood formworks, kraft paper is adhered to the inner side and coated with grease, the outer side is provided with the wood prisms, and the bolt holes are symmetrically formed; hoisting the inner side wooden template and the outer side wooden template, placing the outer side wooden template on a reserved supporting block on the outer side of the settlement joint wall body, attaching the outer side wooden template to the outer side of the steel bar framework, fixing the inner side wooden template on the inner side of the steel bar framework, and fixing the inner side wooden template and the outer side wooden template by bolts; the outer sides of the wood prisms of the inner and outer side wood templates are fitted with transverse square steel keel prisms, and the inner side wood template is fixedly supported by using diagonal bracing columns; the top and the two ends of the inner and outer side wooden templates are clamped and connected by fastening clamping pieces, and supporting wooden piles are inserted between the outer side wooden template and the poured wall body at intervals. The method overcomes the defects of the traditional settlement joint wall formwork supporting mode, adopts the wooden formwork and can be recycled, reduces the resource consumption, ensures the smoothness of the wall, can prevent water and prevents the formwork from deforming under stress in the concrete pouring process.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic view of a formwork erecting method for a settlement joint wall body in a narrow space of a high-rise building.
Detailed Description
Embodiment as shown in fig. 1, the formwork erecting method for the settlement joint wall body in the narrow space of the high-rise building comprises the following steps:
firstly, manufacturing inner and outer side wood formworks 1 and 2, adhering a layer of kraft paper 3 to the inner side surfaces of the inner and outer side wood formworks 1 and 2 by adopting water emulsion water, coating a layer of grease on the surface of the kraft paper 3, placing the formworks in a shady and cool place for air drying, then fixedly installing wood prisms 4 on the outer side surfaces of the inner and outer side wood formworks 1 and 2 by adopting nails, fixing the wood prisms 4 on the inner and outer side wood formworks 1 and 2 along the vertical direction at intervals of eighty centimeters, and conveniently disassembling the formworks by adhering the kraft paper 3 on the formworks to avoid the formworks and a concrete wall from being adhered together;
step two, at least two groups of lifting lugs 5 are arranged at the top ends of the inner side wooden template and the outer side wooden template 1 and the outer side wooden template 2, the outer side wooden template 2 can be lifted by a tower crane and placed on a supporting block 21 reserved on the outer side of the settlement joint wall body, a groove with the same thickness as the templates is formed in the reserved supporting block 21, the bottom end of the outer side wooden template 2 is inserted into the groove, the inner side surface of the outer side wooden template 2 is attached to the outer side of the prefabricated settlement joint wall body steel bar framework 10, and the inner side surface of the outer side wooden template 2 and the outer side of the poured bottom wall body are located on;
fixing the inner side wood formwork 1 on the inner side of the settlement joint wall body steel bar framework 10, adhering kraft paper 3 and coating grease on the inner side wood formwork 1, aligning bolt holes in the inner side wood formwork 1 and the outer side wood formwork 2, keeping bolt holes formed in the inner side wood formwork 1 and the outer side wood formwork 2 on the same axis, and facilitating connection of bolts 6 so that the bolts 6 can be horizontally connected with the inner side wood formwork 1 and the outer side wood formwork 2;
connecting the inner side wooden template 1 and the outer side wooden template 2 by using bolts 6, sleeving PVC pipes 61 on the bolts 6 between the inner side wooden template 1 and the outer side wooden template 2, clamping two ends of each PVC pipe 61 inside the inner side wooden template 1 and the outer side wooden template 2 to prevent concrete from entering the PVC pipes 61 during pouring, and connecting nuts 62 at the top ends of the bolts 6 to fasten the inner side wooden template 1 and the outer side wooden template 2;
fifthly, transverse square steel keel prisms 7 are attached to the outer sides of the wood prisms 4 of the inner and outer side wood formworks 1 and 2, the keel prisms 7 of the inner and outer side wood formworks 1 and 2 are fixedly welded together at two ends of a settlement joint wall body, at least three groups of keel prisms 7 are arranged and are respectively positioned at the upper and lower ends and the middle of the inner and outer side wood formworks 1 and 2, and the inner side wood formwork 1 is fixedly supported by using inclined support columns 11;
step six, the tops and two ends of the inner and outer side wooden templates 1 and 2 are clamped and connected by the step tightening clamp pieces 8, the sizes of the end parts need to be measured during clamping and connection, excessive fastening is prevented, the size of a settlement joint wall body is prevented from being reduced, and the port positions of the inner and outer side wooden templates 1 and 2 are prevented from being cracked due to pressure during concrete pouring; the supporting wooden piles 9 are inserted between the outer side wooden formwork 2 and the poured wall 22 at equal intervals, so that the unevenness of the wall caused by bulging of the outer side wooden formwork 2 due to pressure when concrete is poured is prevented.
After the settlement joint wall is supported by the method, concrete can be poured on the wall, after the concrete is solidified, the inner side wooden template and the outer side wooden template can be detached, the supporting wooden piles and the inclined supporting columns are detached firstly, then the bolts between the inner side wooden template and the outer side wooden template are detached, the keel prisms are detached again, finally the inner side wooden template and the outer side wooden template are moved outside through a tower crane, the settlement joint wall is properly trimmed, and meanwhile, kraft paper is adhered to the surface of the wall after the inner side wooden template and the outer side wooden template are detached, so that the wall can be kept flat and smooth, and a waterproof effect can be achieved.
According to the method, the kraft paper is adhered to the inner side of the template, so that the kraft paper can be adhered to a poured wall body in the pouring process, and the outer wall body can prevent rainwater from permeating; the wood prisms are nailed on the templates and the steel keel prisms are arranged on the templates, so that the inner template and the outer template are stably supported, and the outer template is supported by arranging the supporting wood piles, so that the outer template is prevented from bulging on the templates during pouring, and the wall surface is prevented from being uneven; step tightening clamp pieces are arranged between the end parts of the inner template and the outer template for clamping, so that the end parts of the inner template and the outer template are prevented from being cracked and damaged in the pouring process.
Claims (7)
1. A formwork method for a settlement joint wall body in a narrow space of a high-rise building is characterized by comprising the following steps:
firstly, manufacturing inner and outer side wood formworks, adhering a layer of kraft paper on the inner side surface of each wood formwork by adopting water emulsion water, coating grease on the surface of the kraft paper, placing the inner and outer side wood formworks in a shade place for air drying, then installing wood prisms on the outer side surfaces of the inner and outer side wood formworks at intervals through nails, and symmetrically forming bolt holes on the inner and outer side wood formworks;
hoisting the inner side wooden template and the outer side wooden template by adopting a tower crane respectively, placing the outer side wooden template on a reserved supporting block on the outer side of the settlement joint wall body, and enabling the inner side surface of the outer side wooden template to be attached to the outer side of the prefabricated and built settlement joint wall body steel bar framework and to be positioned on the same vertical line with the outer side of the poured bottom wall body;
fixing the inner side wooden template on the inner side of the steel bar frame, aligning bolt holes of the inner side wooden template and the outer side wooden template, keeping the bolt holes symmetrical, and screwing a nut into the bolt holes of the inner side wooden template and the outer side wooden template for fixing by adopting a bolt;
fourthly, fitting and installing transverse square steel keel prisms on the outer sides of the wood prisms of the inner and outer side wood templates, welding and fixing the keel prisms of the inner and outer side wood templates together at two ends of the settlement joint wall body, and fixedly supporting the inner side wood template by adopting an inclined supporting column;
step five, fastening clamping pieces are adopted at the top and two ends of the inner and outer side wood templates for clamping connection, the distance between the inner and outer side wood templates is matched with the thickness of the settlement joint wall body, and the reduction of the thickness of the settlement joint wall body caused by excessive fastening and the occurrence of burst at the port positions of the inner and outer side wood templates in the concrete pouring process are prevented;
and step six, inserting supporting wooden piles between the outer side wooden template and the poured wall at intervals to prevent the outer side wooden template from bulging due to pressure in the concrete pouring process to cause uneven settlement joint wall.
2. The formwork method for the settlement joint wall body in the narrow space of the high-rise building, according to claim 1, is characterized in that: in the first step, the wood prisms are arranged along the vertical direction of the inner side wood template and the outer side wood template at intervals of 80 cm.
3. The formwork method for the settlement joint wall body in the narrow space of the high-rise building, according to claim 1, is characterized in that: and in the second step, lifting lugs are arranged on the top surfaces of the inner side wooden template and the outer side wooden template, and the tower crane is used for hoisting the inner side wooden template and the outer side wooden template through the lifting lugs.
4. The formwork method for the settlement joint wall body in the narrow space of the high-rise building, according to claim 1, is characterized in that: and in the second step, a groove is formed in the top surface of the reserved supporting block, and the bottom end of the outer side wood formwork is embedded into the groove in the top surface of the reserved supporting block.
5. The formwork method for the settlement joint wall body in the narrow space of the high-rise building, according to claim 1, is characterized in that: in the third step, the PVC pipe is sleeved on the bolt between the inner side and the outer side wooden templates, the two ends of the PVC pipe are abutted against the inner side and the outer side wooden templates, and concrete is prevented from entering the interior of the PVC pipe during concrete pouring.
6. The formwork method for the settlement joint wall body in the narrow space of the high-rise building, according to claim 1, is characterized in that: and at least three groups of keel prisms are arranged in the four middle steps and are respectively positioned at the upper end, the lower end and the middle position of the wood template on the inner side and the outer side.
7. The formwork method for the settlement joint wall body in the narrow space of the high-rise building, according to claim 1, is characterized in that: and the fastening clamp in the fifth step is a step fastening clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268036.XA CN112267676A (en) | 2020-11-13 | 2020-11-13 | Formwork erecting method for settlement joint wall in narrow space of high-rise building |
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| CN202011268036.XA CN112267676A (en) | 2020-11-13 | 2020-11-13 | Formwork erecting method for settlement joint wall in narrow space of high-rise building |
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| CN112267676A true CN112267676A (en) | 2021-01-26 |
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| CN202011268036.XA Pending CN112267676A (en) | 2020-11-13 | 2020-11-13 | Formwork erecting method for settlement joint wall in narrow space of high-rise building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030214A (en) * | 2022-05-27 | 2022-09-09 | 中国化学工程第三建设有限公司 | Method for installing and supporting grouting template in narrow gap of air duct at lower part of compressor |
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Cited By (2)
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| CN115030214A (en) * | 2022-05-27 | 2022-09-09 | 中国化学工程第三建设有限公司 | Method for installing and supporting grouting template in narrow gap of air duct at lower part of compressor |
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Application publication date: 20210126 |
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