CN112281916A - Large-axillary-angle single-side-wall movable formwork for subway engineering - Google Patents
Large-axillary-angle single-side-wall movable formwork for subway engineering Download PDFInfo
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- CN112281916A CN112281916A CN202011205885.0A CN202011205885A CN112281916A CN 112281916 A CN112281916 A CN 112281916A CN 202011205885 A CN202011205885 A CN 202011205885A CN 112281916 A CN112281916 A CN 112281916A
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- formwork
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- side wall
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a subway engineering large-axillary-angle single-side-wall movable formwork which mainly comprises a movable bracket system, a bearing bracket system, a formwork system, a safety protection system, a side wall formwork and formwork anchoring system, a side supporting system and a hoisting and traction system. The movable bracket system is positioned on the bottom plate and is formed by welding I-shaped steel; the bearing support system is positioned on the bracket and is formed by combining a plurality of steel trusses; the template system comprises a side wall steel template and a plug wall wood template system; the safety protection system comprises a profile steel bracket, an operation platform and side protection; embedding a straight thread sleeve on a side wall guide wall by using a side wall formwork and a formwork anchoring system, and fastening by using a steel square gasket and a double-spliced I-shaped steel fixed cross beam to ensure that the formwork is closely attached to a formwork; the side supporting system adopts I-shaped steel as an inclined strut and a straight strut; the hoisting and traction system is carried out by adopting a winch and a steel wire rope. The large-axillary-angle single-side-wall movable formwork is simple and flexible in construction method, strong in applicability and good in economical efficiency.
Description
Technical Field
The invention relates to a building construction facility, in particular to a large-axillary-angle single-side-wall movable formwork for subway engineering.
Background
Along with the rapid development of urban rail transit construction, the construction standard of a subway station is continuously improved, and the selection of a formwork is particularly important in the construction of a large axillary corner side wall of the subway station.
The subway station constructed at the present stage is thick in side wall, high in height and large in axillary angle, and is generally provided with a template trolley, so that the operation is simple, and the safety is good. But the template trolley has higher manufacturing cost, needs a track to be installed for walking and has larger size of the template. The large-axillary-angle single-side-wall movable formwork is used, the construction floor area is small, and the hoisting and transportation are relatively simple.
Disclosure of Invention
The invention aims to provide a large-axillary-angle single-side-wall movable formwork for subway engineering, which is convenient to operate and good in safety performance.
The subway engineering large axillary angle single-side wall movable formwork comprises a bearing support system, wherein a movable bracket system is arranged at the bottom of the bearing support system, a safety protection system is arranged at the top of the bearing support system, a formwork system is arranged on the wall-facing side of the bearing support system, and a side support system is arranged on the other side of the bearing support system.
The formwork system is provided with a side wall formwork and a formwork anchoring system, the bottom of the movable bracket system is provided with rollers, and the movable bracket system is connected with the hoisting and traction system.
According to the technical scheme provided by the invention, the subway engineering large-axillary-angle single-side-wall movable formwork provided by the embodiment has the advantages of small occupied space, practicability, good flexibility and high efficiency.
Drawings
Fig. 1 is a schematic view of a vertical plane layout of a subway engineering large-axillary-angle single-side-wall movable formwork provided by an embodiment of the invention.
Fig. 2 is a schematic side view of a movable formwork for construction of a large-axillary-angle single-side wall according to an embodiment of the invention.
The reference numbers in the figures illustrate:
1. a mobile carriage system; 2. a load bearing support system; 3. a template system; 4. a safety protection system; 5. a sidewall formwork and formwork anchoring system; 6. a lateral support system; 7. hoisting and traction system.
Detailed Description
The embodiments of the present invention will be described in further detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.
The invention discloses a subway engineering large axillary angle single-side wall movable formwork, which has the preferred specific implementation mode that:
the wall-facing side of the bearing support system is provided with a template system, and the other side of the bearing support system is provided with a side support system;
the formwork system is provided with a side wall formwork and a formwork anchoring system, the bottom of the movable bracket system is provided with rollers, and the movable bracket system is connected with a hoisting and traction system;
two groups of bottom longitudinal beams are transversely arranged at the bottom of the movable bracket system, each group of bottom longitudinal beams are butt-welded by two No. 28H-shaped steels with the length of 5m, the clearance distance between the two groups of bottom longitudinal beams is 2m, the two groups of bottom longitudinal beams are welded and connected by a plurality of No. 16H-shaped steels with the length of 2m, and the plurality of H-shaped steels are arranged from the middle part of the bottom longitudinal beams to two sides at a distance of 0.75 m;
two groups of top longitudinal beams are arranged above the two groups of bottom longitudinal beams corresponding to the top of the mobile bracket system:
the group of top longitudinal beams are arranged on the wall-facing side and comprise two 28# I-beams with the transverse spacing of 0.4m, the two 28# I-beams are welded and connected through the 28# I-beam with the length of 0.6m, and the 28# I-beam with the length of 0.6m and the longitudinal bottom beam are welded through a cantilever to form a reserved cornice;
the other group of top longitudinal beams are arranged on the non-wall-facing side and comprise two 28# I-steel butt welds, the top longitudinal beams and the bottom longitudinal beams are connected through 28# I-steel vertical welds, and angle steel is used for welding a triangular bracket on the non-wall-facing sides of the top longitudinal beams and the bottom longitudinal beams;
the two ends of the bottom longitudinal beam are provided withDetachable roller with roller axleA solid iron bar.
The bearing support system is formed by combining a plurality of steel supports, is arranged in sections according to the height of the side wall, is connected and combined into one support, has the space of 0.75m, corresponds to the position of No. 16H-shaped steel at the bottom and is welded at the top of the movable bracket system;
each roof truss support is composed of a vertical support, an inclined support and a transverse support rod which are connected back to back by two 10# H-shaped steel bars, a section steel support longitudinal connecting steel pipe is welded on the inner inclined support rod, a socket joint type operating platform is arranged at the upper part of each roof truss support, and a space between every roof truss support is formed by connecting the two roof truss supports in a back-to-back modeAnd (5) connecting the steel pipes.
The template system comprises a side wall steel template and a plug wall wood template;
the side wall steel template has the advantages that the thickness of the face plate of the side wall steel template is 4mm, the size of the rib plate is 5mm x 0.5m, the distance between the rib plates is 0.2m x 0.3m, the size of the rib plate is 0.6 x 1.5m, the templates are connected through bolts, the distance between the bolt holes is 0.15m, and the steel template is transversely assembled in the length direction according to the arrangement of the section steel truss;
the plug wall wood formwork is formed by wood formworks with the thickness of 20mm, square wood and simple section steel supports, the space between the square wood is not larger than 3m, 16# I-steel vertical supports are adopted behind the square wood, and 10# I-steel is adopted to set inclined supports.
The safety protection system comprises:
the left side and the right side of the formwork are provided with extension brackets which are welded on the formwork by two 10# I-steel bars, a cornice is reserved, the interval of the longitudinal steel bars is 0.2m, and a template is laid to serve as a construction and upper and lower safe operation platform;
and a triangular support longitudinal connecting steel pipe is welded on the diagonal bracing member above the die carrier, and the upper part of the triangular support is provided with a socket type operating platform.
The side wall formwork and formwork anchoring system comprises:
anchor bolts are pre-embedded in advance during construction of upper guide wall and lower guide wallThe straight thread sleeve, the interval is 0.75m, utilizes square gasket and two-piece 10# channel-section steel fixed beam to carry out the split fastening, makes die carrier and steel form hug closely.
The side support system includes:
the method is characterized in that 22# I-steel is used as an inclined strut and a straight strut, the straight strut is arranged between a bracket and a bottom longitudinal beam, one end of the inclined strut is propped against the upper portion of a bottommost section steel framework, one end of the inclined strut is propped against the bottom longitudinal beam, and finished product protection is well performed on the bottom longitudinal beam.
The hoisting and traction system comprises a winch and a steel wire rope, and the steel wire rope is connected with the movable formwork.
The invention relates to a subway engineering large-axillary-angle single-side-wall movable formwork which mainly comprises a movable bracket system, a bearing bracket system, a formwork system, a safety protection system, a side wall formwork and formwork anchoring system, a side supporting system and a hoisting and traction system. The movable bracket system is positioned on the bottom plate and is formed by welding I-shaped steel; the bearing support system is positioned on the bracket and is formed by combining a plurality of steel trusses; the template system comprises a side wall steel template and a plug wall wood template system; the side wall steel templates are connected through bolts, and the steel templates are transversely assembled in the length direction according to the arrangement of the profile steel support truss; the plug wall wood formwork is formed by a wood formwork, square wood and simple section steel supports; the safety protection system comprises: the steel support, the operation platform and the side protection are adopted; embedding a straight thread sleeve on a side wall guide wall of the anchor bolt split system, and fastening by using a steel square gasket and a double-spliced I-shaped steel fixed cross beam to ensure that the die carrier is closely attached to the die plate; the side supporting system adopts I-shaped steel as an inclined strut and a straight strut; the hoisting and traction system is carried out by adopting a winch and a steel wire rope. The large-axillary-angle single-side-wall movable formwork is simple and flexible in construction method, strong in applicability and good in economical efficiency.
The specific embodiment is as follows:
as shown in fig. 1 to 2, the system mainly comprises a mobile bracket system 1, a load-bearing support system 2, a safety protection system 3, a formwork system 4, a side wall formwork and formwork anchoring system 5, a side support system 6 and a hoisting and traction system 7.
As shown in attached figures 1 and 2, the upper guide wall and the lower guide wall are pre-embedded during constructionAnd after the strength of the straight thread sleeve meets the requirement, the side wall is constructed. Welding and assembling the movable bracket system 1, after the bracket is welded, hoisting the side wall concrete bearing bracket system 2, wherein four sections (roots) are arranged in each roof trussAccording to the height of the side wall), assembling seven die frames in advance, hoisting the die frames to the movable bracket system 1, and firmly welding the bottom and the bracket to form a movable bracket system. Safety protection systems 3 are arranged at the upper part and the left and right sides of the die carrier, and steel template systems 4 are arranged on the side walls. And (3) mounting a hard wheel on the movable mould frame, pulling the hard wheel in place by using a winch, detaching a mould frame bracket wheel, and adjusting the position of the movable mould frame by using a chain block to form a hoisting and pulling system 7. Utilize pre-buried straight line sleeve and double-unit 10# channel-section steel fixed cross beam to carry out the split fastening and just lie in side wall die carrier and template anchor system 5, install the attached vibrator on the steel form, the quincunx is arranged. And plug templates are arranged on two sides of the die carrier and are firmly supported by I-shaped steel. The upper part is provided with an operation platform, and an opening is provided with a pump pipe. The movable mould frame adopts 22# I-steel as an inclined strut and a straight strut, the straight strut is arranged between the trolley and the bottom longitudinal beam, one end of the inclined strut is propped against the side supporting system 6 on the bottommost section steel mould frame, and the other end of the inclined strut is propped against the bottom longitudinal beam, so that the construction of concrete pouring is completed.
Referring to fig. 1-2, a construction process of a large-axillary-angle single-side wall movable formwork comprises the following steps:
s1, load calculation: according to the height of the side wall, load calculation is carried out through the stability of the platform, the model of a corresponding rod piece is determined, and the mobile platform is built on the basis of the theory, so that the safety performance of the mobile platform can reach an ideal state;
s2, processing the rod piece: processing and using the corresponding material according to the result calculated in the S1;
s3, field assembly and construction: the steel pipe is assembled in time according to the construction progress, and the welding is firm;
s4, acceptance: carrying out corresponding acceptance on the operation platform;
(a) step B, step S5 is executed when the acceptance is qualified;
(b) and returning to the step S4 when the inspection and acceptance are unqualified, reinforcing the frame body, combining theory and practice, reinforcing the frame body on the basis of the theory once the frame body is found to be unqualified and the frame body is corrected to pass, so that the safety of the frame body is qualified, and the construction is mainly safe.
S5, construction: and after the die frame is checked and accepted, carrying out corresponding construction.
The large-axillary-angle single-side-wall movable formwork disclosed by the invention utilizes the bottom plate as a foundation, and because the axillary angle of the side wall is higher, the movable bracket system is arranged below the formwork, the formwork is welded on the movable bracket system to form the movable formwork, the winch is utilized to pull the formwork in place, and the technical requirements on construction safety are met through stability checking calculation. The construction method is simple and flexible, and has strong applicability and good economical efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The subway engineering large-axillary-angle single-side-wall movable formwork is characterized by comprising a bearing support system, wherein a movable bracket system is arranged at the bottom of the bearing support system, a safety protection system is arranged at the top of the bearing support system, a formwork system is arranged on the wall-facing side of the bearing support system, and a side support system is arranged on the other side of the bearing support system;
the formwork system is provided with a side wall formwork and a formwork anchoring system, the bottom of the movable bracket system is provided with rollers, and the movable bracket system is connected with the hoisting and traction system.
2. The metro engineering large-axillary-angle single-side wall movable formwork frame as claimed in claim 1, wherein two groups of bottom longitudinal beams are transversely arranged at the bottom of the movable bracket system, each group of bottom longitudinal beams are welded by two No. 28H-beams with the length of 5m in a butt welding mode, the clearance distance between the two groups of bottom longitudinal beams is 2m, the two groups of bottom longitudinal beams are welded and connected by a plurality of No. 16H-beams with the length of 2m, and the plurality of H-beams are arranged from the middle of the bottom longitudinal beams to the two sides at a distance of 0.75 m;
two groups of top longitudinal beams are arranged above the two groups of bottom longitudinal beams corresponding to the top of the mobile bracket system:
the group of top longitudinal beams are arranged on the wall-facing side and comprise two 28# I-beams with the transverse spacing of 0.4m, the two 28# I-beams are welded and connected through the 28# I-beam with the length of 0.6m, and the 28# I-beam with the length of 0.6m and the longitudinal bottom beam are welded through a cantilever to form a reserved cornice;
the other group of top longitudinal beams are arranged on the non-wall-facing side and comprise two 28# I-steel butt welds, the top longitudinal beams and the bottom longitudinal beams are connected through 28# I-steel vertical welds, and angle steel is used for welding a triangular bracket on the non-wall-facing sides of the top longitudinal beams and the bottom longitudinal beams;
3. The large-axillary-angle single-side-wall movable formwork frame for subway engineering as claimed in claim 2, wherein said bearing support system is composed of a plurality of steel supports, each support is connected and combined into one by being sectioned according to the height of the side wall, the distance between each support is 0.75m, the distance corresponds to the position of 16# I-steel at the bottom, and the support is welded to the top of said movable bracket system;
each roof truss support is composed of a vertical support, an inclined support and a transverse support rod which are connected back to back by two 10# H-shaped steel bars, a section steel support longitudinal connecting steel pipe is welded on the inner inclined support rod, a socket joint type operating platform is arranged at the upper part of each roof truss support, and a space between every roof truss support is formed by connecting the two roof truss supports in a back-to-back modeAnd (5) connecting the steel pipes.
4. The metro engineering large axillary angle single-side wall movable formwork frame according to claim 3, wherein the formwork system comprises a side wall steel formwork and a bulkhead wall wood formwork;
the side wall steel template has the advantages that the thickness of the face plate of the side wall steel template is 4mm, the size of the rib plate is 5mm x 0.5m, the distance between the rib plates is 0.2m x 0.3m, the size of the rib plate is 0.6 x 1.5m, the templates are connected through bolts, the distance between the bolt holes is 0.15m, and the steel template is transversely assembled in the length direction according to the arrangement of the section steel truss;
the plug wall wood formwork is formed by wood formworks with the thickness of 20mm, square wood and simple section steel supports, the space between the square wood is not larger than 3m, 16# I-steel vertical supports are adopted behind the square wood, and 10# I-steel is adopted to set inclined supports.
5. The subway engineering large axillary angle single-side wall movable formwork frame as claimed in claim 4, wherein said safety protection system comprises:
the left side and the right side of the formwork are provided with extension brackets which are welded on the formwork by two 10# I-steel bars, a cornice is reserved, the interval of the longitudinal steel bars is 0.2m, and a template is laid to serve as a construction and upper and lower safe operation platform;
and a triangular support longitudinal connecting steel pipe is welded on the diagonal bracing member above the die carrier, and the upper part of the triangular support is provided with a socket type operating platform.
6. The large axillary angle single-side wall movable formwork for subway engineering according to claim 5, wherein said side wall formwork and formwork anchoring system comprises:
anchor bolts are pre-embedded with phi 25mm straight thread sleeves in advance when the upper guide wall and the lower guide wall are constructed, the distance is 0.75m, and square gaskets and double-spliced 10# channel steel fixing cross beams are utilized for carrying out opposite pulling fastening, so that the die carrier is closely attached to the steel template.
7. The metro engineering large axillary angle single-side wall movable formwork of claim 6, wherein the side supporting system comprises:
the method is characterized in that 22# I-steel is used as an inclined strut and a straight strut, the straight strut is arranged between a bracket and a bottom longitudinal beam, one end of the inclined strut is propped against the upper portion of a bottommost section steel framework, one end of the inclined strut is propped against the bottom longitudinal beam, and finished product protection is well performed on the bottom longitudinal beam.
8. The large axillary angle single-side wall movable formwork frame of the subway engineering according to any one of claims 1 to 7, wherein the hoisting and traction system comprises a winch and a steel wire rope, and the steel wire rope is connected with the movable formwork frame.
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CN202011205885.0A CN112281916A (en) | 2020-11-02 | 2020-11-02 | Large-axillary-angle single-side-wall movable formwork for subway engineering |
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CN202011205885.0A CN112281916A (en) | 2020-11-02 | 2020-11-02 | Large-axillary-angle single-side-wall movable formwork for subway engineering |
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CN202011205885.0A Pending CN112281916A (en) | 2020-11-02 | 2020-11-02 | Large-axillary-angle single-side-wall movable formwork for subway engineering |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114059585A (en) * | 2021-12-01 | 2022-02-18 | 中建八局深圳科创发展有限公司 | Construction method of unilateral aluminum mould of subway side wall tripod |
CN114673196A (en) * | 2022-04-19 | 2022-06-28 | 中交一航局第五工程有限公司 | Zero-contact construction process for isolation layer of underground water plant |
-
2020
- 2020-11-02 CN CN202011205885.0A patent/CN112281916A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114059585A (en) * | 2021-12-01 | 2022-02-18 | 中建八局深圳科创发展有限公司 | Construction method of unilateral aluminum mould of subway side wall tripod |
CN114673196A (en) * | 2022-04-19 | 2022-06-28 | 中交一航局第五工程有限公司 | Zero-contact construction process for isolation layer of underground water plant |
CN114673196B (en) * | 2022-04-19 | 2024-02-13 | 中交一航局第五工程有限公司 | Zero-touch construction process for isolation layer of underground water plant |
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