CN111456220A - Single-face formwork supporting system for basement exterior wall and application method - Google Patents

Single-face formwork supporting system for basement exterior wall and application method Download PDF

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Publication number
CN111456220A
CN111456220A CN202010263010.XA CN202010263010A CN111456220A CN 111456220 A CN111456220 A CN 111456220A CN 202010263010 A CN202010263010 A CN 202010263010A CN 111456220 A CN111456220 A CN 111456220A
Authority
CN
China
Prior art keywords
steel
vertical channel
positive
steel pipe
template
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
CN202010263010.XA
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Chinese (zh)
Inventor
施文磊
郭延义
赵欣
施杨辉
王传旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Construction No 2 Group Co Ltd
Original Assignee
Shanghai Construction No 2 Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Construction No 2 Group Co Ltd filed Critical Shanghai Construction No 2 Group Co Ltd
Priority to CN202010263010.XA priority Critical patent/CN111456220A/en
Publication of CN111456220A publication Critical patent/CN111456220A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/0007Base structures; Cellars
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06Forms, 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00Connecting or other auxiliary members for forms, falsework structures, or shutterings

Abstract

The invention relates to a single-face formwork supporting system for a basement outer wall, which comprises a formwork arranged on one side of the basement outer wall and a batten arranged on the outer side of the formwork, wherein the outer side of the batten is fixedly connected with a transverse channel steel purlin, the outer side of the transverse channel steel purlin is reinforced through a plurality of vertical channel steels, an inclined strut rod piece is supported between each vertical channel steel and a structural plate, the inclined strut rod piece comprises a steel pipe and a positive and negative wire bolt adjusting piece arranged at the bottom of the steel pipe, the top of the steel pipe is fixed on the vertical channel steel, and the positive and negative wire bolt adjusting piece and the vertical channel steel are respectively connected to the structural plate through pre-buried bolts. The invention also provides an application method of the single-side formwork supporting system, which comprises four steps. The invention does not damage the enclosure structure, effectively avoids the hidden trouble of water seepage and reduces the leakage risk; the adjusting part of the positive and negative screw bolts on the diagonal bracing rod piece can adjust the verticality of the template, the construction and the application are convenient, and the template installation is ensured to meet the construction specification.

Description

Single-face formwork supporting system for basement exterior wall and application method
Technical Field
The invention relates to a single-face formwork supporting system for a basement outer wall and an application method, and belongs to the technical field of basement outer wall construction supporting.
Background
With the continuous acceleration of urbanization construction in China, more and more high-rise buildings are built. In the modern high-rise building process, underground space is fully utilized, so that the importance of a deep foundation pit supporting technology is gradually highlighted, and the deep foundation pit supporting construction technology is widely applied.
In the construction process, when the outer wall of the basement is close to the building envelope, the common scheme is to chisel the dowel bars in the outer wall of the basement and weld the screw rods so as to reinforce the outer wall template system; or a shaped section steel supporting single-sided template system. The former will destroy the waterproof layer and bring water seepage hidden trouble; the latter is too costly and does not allow to adjust the flatness of the template. Therefore, considering several aspects, it is necessary to form an adjustable basement exterior wall single-side formwork system which has lower cost and can effectively avoid destroying the waterproof structure.
Disclosure of Invention
The invention aims to provide a single-face formwork system for a basement outer wall, which can adjust the flatness of a formwork and effectively avoid water seepage hidden troubles.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a single-face formwork system for a basement outer wall comprises a formwork arranged on one side of the basement outer wall and a plurality of rows of battens vertically arranged on the outer side of the formwork, wherein the outer sides of the battens are fixedly connected with a plurality of rows of transverse channel steel purlins, the outer sides of the transverse channel steel purlins are reinforced through a plurality of vertical channel steel,
all supported between every vertical channel-section steel and the structural slab and had the bracing member, the bracing member includes the steel pipe and installs the positive and negative silk bolt adjusting part in the steel pipe bottom, the top of steel pipe is fixed on vertical channel-section steel, positive and negative silk bolt adjusting part and vertical channel-section steel are respectively through pre-buried bolted connection on the structural slab.
Further, positive and negative screw bolt regulating part includes steel pipe regulating part, positive screw rod, negative screw rod, installs the stop nut on positive and negative screw rod, positive and negative screw rod spiro union respectively in the bottom and the top of steel pipe regulating part, the top and the steel pipe spiro union of negative screw rod, the bottom rigid coupling of positive screw rod has the connecting plate, the connecting plate articulates on the angle steel base, the angle steel base is connected with pre-buried bolt.
Furthermore, two vertical steel plates are welded on the back of the angle steel base to serve as the ear plates, the connecting plate is hinged between the two ear plates, and a stiffening plate is welded between two edges of the angle steel base.
Furthermore, the top of the steel pipe is fixedly connected with a limiting angle steel through a bolt, and the limiting angle steel is welded on the vertical channel steel.
Further, in order to increase the support stability, the number of the diagonal brace members installed between each vertical channel steel and the bottom plate is two, and the inclination of the two diagonal brace members is different.
Furthermore, in order to form an integral stable support, a transverse steel pipe is fixedly connected between all the diagonal bracing members at the same height.
The invention also provides an application method of the single-face formwork system for the basement exterior wall, which comprises the following steps:
s1, pre-burying fixed bolts at the bottoms of the vertical channel steel and the diagonal bracing members when the structural slab is constructed, and installing a template after the reinforcement of the basement outer wall is bound;
s2, after the formwork, battens outside the formwork and a transverse channel steel purlin are installed, fixing the vertical channel steel 6 on the structural slab through pre-embedded bolts, installing the diagonal bracing members synchronously, connecting the lower ends of the diagonal bracing members with the pre-embedded bolts, and connecting the upper ends of the diagonal bracing members with limiting angle steels pre-welded on the vertical channel steel through bolts;
s3, adjusting the verticality of the template through the positive and negative screw bolt adjusting pieces on the diagonal bracing members to ensure that the template conforms to the construction specification;
and S4, after the whole template is reinforced, checking the stability of the angle steel base, and performing concrete pouring and tamping after the accuracy is confirmed.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the adjustable reinforcing system of the single-sided template is formed by connecting the vertical channel steel, the diagonal bracing member and the embedded bolt. The diagonal bracing rod piece replaces the fastening effect of the split bolt, so that the enclosure structure is not damaged, the water seepage hidden danger is effectively avoided, and the seepage risk is reduced; the adjusting part of the positive and negative screw bolts on the diagonal bracing rod piece can adjust the verticality of the template, the construction and the application are convenient, and the template installation is ensured to meet the construction specification.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is a schematic structural view of a diagonal bracing member according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The objects, aspects and advantages of the present invention will become more apparent from the following description. It should be understood that the described embodiments are preferred embodiments of the invention, and not all embodiments.
Referring to fig. 1 and 2, the single-face formwork system for the basement outer wall comprises a formwork 3 arranged on one side of the basement outer wall 2 and a plurality of rows of battens 4 vertically arranged on the outer side of the formwork 3, wherein a plurality of rows of transverse channel steel surrounding purlins 5 are fixedly connected to the outer sides of the battens 4, and a plurality of vertical channel steel 6 are arranged on the outer sides of the transverse channel steel surrounding purlins 5 for supporting. Bracing member 1 has all been supported between every vertical channel-section steel 6 and the structural slab 8, bracing member 1 includes steel pipe 10 and installs positive and negative silk bolt adjusting part 11 in steel pipe 10 bottom, the top of steel pipe 10 is fixed on vertical channel-section steel 6. In order to increase the support stability, the number of the diagonal brace members 9 supported between each vertical channel 6 and the bottom plate 8 is preferably two, and the inclination of the two diagonal brace members is different. In order to form an integral stable support, a transverse steel pipe 14 is fixedly connected between all the diagonal bracing members 1 at the same height.
Preferably, the top of the steel pipe 10 is fixedly connected with a limiting angle steel 13 through a bolt, and the limiting angle steel 13 is welded on the vertical channel steel 6. And the positive and negative screw bolt adjusting piece 11 and the vertical channel steel 6 are respectively connected to the structural plate 8 through the embedded bolt 7.
It is shown in combination with fig. 3 that positive and negative silk bolt adjusting part 11 includes steel pipe adjusting part 11a, positive screw rod 11b, contrary silk screw rod 11c, installs the stop nut 11d on positive, contrary silk screw rod, positive, contrary silk screw rod spiro union respectively is on the bottom and the top of steel pipe adjusting part 11a, and the top of contrary silk screw rod 11c and steel pipe 10 spiro union, and the bottom rigid coupling of positive screw rod 11b has connecting plate 11e, connecting plate 11e articulates on angle steel base 12, angle steel base 12 is connected with pre-buried bolt 7. Preferably, two vertical steel plates 12a are welded to the back of the angle steel base 12 to serve as ear plates, the connecting plate 11e is hinged between the two ear plates, and a stiffening plate 12b is welded between two edges of the angle steel base 12.
The invention also provides an application method of the single-face formwork system for the basement exterior wall, which comprises the following steps:
s1, when the structural slab 8 is constructed, pre-embedding of the bolts 7 at the bottom fixing points of the vertical channel steel 6 and the diagonal bracing members 1 is completed in advance, and after the binding of the reinforcing steel bars of the basement outer wall 2 is completed, the installation of the template 3 is carried out;
s2, after the template 3, the battens 4 outside the template 3 and the transverse channel steel purlin 5 are installed, fixing the vertical channel steel 6 on the structural plate 8 through the pre-embedded bolts 7, installing the diagonal bracing members 1 synchronously, connecting the lower ends of the diagonal bracing members with the pre-embedded bolts 7, and connecting the upper ends of the diagonal bracing members with limiting angle steels 13 which are pre-welded on the vertical channel steel 6 through bolts;
s3, adjusting the verticality of the template 3 through the positive and negative screw bolt adjusting pieces 11 on the diagonal bracing pieces to ensure that the template meets the construction specification;
and S4, after the whole template is reinforced, checking the stability of the angle steel base 12, and performing concrete pouring after the condition that no error exists is confirmed.
According to the invention, the adjustable reinforcing system of the single-sided template is formed by connecting the vertical channel steel, the diagonal bracing member and the embedded bolt. The diagonal bracing rod piece replaces the fastening effect of the split bolt, so that the enclosure structure is not damaged, the water seepage hidden danger is effectively avoided, and the seepage risk is reduced; the adjusting part of the positive and negative screw bolts on the diagonal bracing rod piece can adjust the verticality of the template, the construction and the application are convenient, and the template installation is ensured to meet the construction specification.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and it is obvious that any person skilled in the art can easily conceive of alternative or modified embodiments based on the above embodiments and these should be covered by the present invention.

Claims (7)

1. The utility model provides a single face formwork system for basement outer wall which characterized in that:
comprises a template arranged on one side of the basement outer wall and a plurality of rows of battens vertically arranged on the outer side of the template, wherein the outer sides of the battens are fixedly connected with a plurality of rows of transverse channel steel purlins, the outer sides of the transverse channel steel purlins are reinforced by a plurality of vertical channel steels,
all supported between every vertical channel-section steel and the structural slab and had the bracing member, the bracing member includes the steel pipe and installs the positive and negative silk bolt adjusting part in the steel pipe bottom, the top of steel pipe is fixed on vertical channel-section steel, positive and negative silk bolt adjusting part and vertical channel-section steel are respectively through pre-buried bolted connection on the structural slab.
2. The single-face formwork system for the basement exterior wall according to claim 1, wherein:
the positive and negative screw bolt adjusting part comprises a steel pipe adjusting part, a positive screw rod, a negative screw rod and limit nuts installed on the positive and negative screw rods, the positive and negative screw rods are respectively screwed at the bottom end and the top end of the steel pipe adjusting part, the top end of the negative screw rod is screwed with a steel pipe, the bottom of the positive screw rod is fixedly connected with a connecting plate, the connecting plate is hinged on an angle steel base, and the angle steel base is connected with a pre-buried bolt.
3. The single-face formwork system for the basement exterior wall as claimed in claim 2, wherein:
two vertical steel plates are welded on the back of the angle steel base to serve as the ear plates, the connecting plate is hinged between the two ear plates, and a stiffening plate is welded between two edges of the angle steel base.
4. The single-face formwork system for the basement exterior wall according to claim 1, wherein:
the top of the steel pipe is fixedly connected with an upper limiting angle steel through a bolt, and the upper limiting angle steel is welded on the vertical channel steel.
5. The single-face formwork system for the basement exterior wall according to claim 1, wherein:
the quantity of the diagonal bracing members installed between each vertical channel steel and the bottom plate is two, and the inclination of the two diagonal bracing members is different.
6. The single-face formwork system for the basement exterior wall according to claim 1, wherein:
and a transverse steel pipe is fixedly connected between all the diagonal bracing members at the same height.
7. An application method of a single-face formwork system for a basement exterior wall is characterized by comprising the following steps: the method comprises the following steps:
s1, pre-burying fixed bolts at the bottoms of the vertical channel steel and the diagonal bracing members when the structural slab is constructed, and installing a template after the reinforcement of the basement outer wall is bound;
s2, after the formwork, battens outside the formwork and a transverse channel steel purlin are installed, fixing the vertical channel steel 6 on the structural slab through pre-embedded bolts, installing the diagonal bracing members synchronously, connecting the lower ends of the diagonal bracing members with the pre-embedded bolts, and connecting the upper ends of the diagonal bracing members with limiting angle steels pre-welded on the vertical channel steel through bolts;
s3, adjusting the verticality of the template through the positive and negative screw bolt adjusting pieces on the diagonal bracing members to ensure that the template conforms to the construction specification;
and S4, after the whole template is reinforced, checking the stability of the angle steel base, and performing concrete pouring and tamping after the accuracy is confirmed.
CN202010263010.XA 2020-04-07 2020-04-07 Single-face formwork supporting system for basement exterior wall and application method Pending CN111456220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010263010.XA CN111456220A (en) 2020-04-07 2020-04-07 Single-face formwork supporting system for basement exterior wall and application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010263010.XA CN111456220A (en) 2020-04-07 2020-04-07 Single-face formwork supporting system for basement exterior wall and application method

Publications (1)

Publication Number Publication Date
CN111456220A true CN111456220A (en) 2020-07-28

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ID=71676424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010263010.XA Pending CN111456220A (en) 2020-04-07 2020-04-07 Single-face formwork supporting system for basement exterior wall and application method

Country Status (1)

Country Link
CN (1) CN111456220A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114059793A (en) * 2021-12-01 2022-02-18 成都理工大学 Civil engineering building structure reinforcing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114059793A (en) * 2021-12-01 2022-02-18 成都理工大学 Civil engineering building structure reinforcing apparatus

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