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Variable-section cantilever formwork suitable for rapid construction and construction method adopting variable-section cantilever formwork

A construction method and formwork technology, which is applied in the erection/assembly of bridges, bridges, buildings, etc., can solve the problems of fixed size and unsuitability for special high-altitude operations, and achieve the effect of easy hoisting, green construction requirements, and easy assembly and disassembly

Pending Publication Date: 2020-09-11
广州市市政工程机械施工有限公司
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  • Abstract
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Problems solved by technology

[0003] There are also cantilever formwork in the prior art, but this kind of cantilever formwork needs to build an operation platform outside the pier body before building the formwork, which is not suitable for special high-altitude operations
At the same time, the size of the existing formwork is fixed, which is only suitable for concrete pouring construction with fixed sections

Method used

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  • Variable-section cantilever formwork suitable for rapid construction and construction method adopting variable-section cantilever formwork
  • Variable-section cantilever formwork suitable for rapid construction and construction method adopting variable-section cantilever formwork
  • Variable-section cantilever formwork suitable for rapid construction and construction method adopting variable-section cantilever formwork

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Embodiment Construction

[0047] The present invention will be described in further detail below in conjunction with specific embodiments.

[0048] A variable-section cantilever formwork suitable for rapid construction, including a formwork system, an operating platform, and a connection system.

[0049] The formwork system includes multiple formwork units, and each formwork unit includes panels, I-beams, channel steel, connecting claws, bolts, steel nails, and hooks. In this embodiment, the panel adopts a 21mm multi-layer board. The length direction of the wooden I-beam is set along the height direction of the panel, and multiple wooden I-beams are arranged at intervals along the width direction of the panel, and the wooden I-beam is fixed on the panel by steel nails; the length direction of the channel steel is along the width direction of the panel It is provided that at least two channel steels are arranged at intervals along the height direction of the panel, and the channel steels are detachably...

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Abstract

The invention relates to a variable-section cantilever formwork suitable for rapid construction. The variable-section cantilever formwork comprises a formwork system, an operating platform and a connecting system. The formwork system comprises a plurality of formwork units, and each formwork unit comprises a panel, a wood I-shaped beam, channel steel, a connecting claw, a bolt, a steel nail and alifting hook. Each template unit is provided with an operation platform; the connecting system comprises a core belt, a core belt pin, a cable-stayed seat and a pull rod; the adjacent template units arranged on the same surface are connected through a core belt and a core belt pin; the two formwork units arranged at the corners are connected through pull rods and cable-stayed seats, and the cable-stayed seats and the formwork units are connected through core belts and core belt pins. The invention further relates to a construction method adopting the variable-section cantilever formwork. The method is suitable for industrialized and standardized production, high-altitude operation rapid construction and installation standardized operation, efficient bridge construction is achieved, and themethod belongs to the technical field of bridge construction structures.

Description

technical field [0001] The invention relates to the technical field of bridge construction structures, in particular to a variable-section cantilever formwork suitable for rapid construction, and also relates to a construction method using the variable-section cantilever formwork. Background technique [0002] Nowadays, in the field of high-altitude operations, hanging formwork construction is still used in small-scale special high-altitude operations because of its economy, such as some cable-stayed bridge construction projects. Because of the height of the main towers of cable-stayed bridges, they often play the role of landscape architecture in cities. Therefore, the main towers of many cable-stayed bridges are designed with variable cross-sections while ensuring structural strength to improve their ornamental value. Choose a variable-section cantilever formwork with good economy and rapid construction, and carry out various constructions with variable sections. Not only...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D21/10
CPCE01D21/00E01D21/10
Inventor 李建明许洪左毕海军刘昕炜列绍生欧佳林
Owner 广州市市政工程机械施工有限公司
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