Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Anti-collision self-protection precast concrete component

A technology of prefabricated components and concrete, which is applied in basic structure engineering, construction, excavation, etc. It can solve the problems of poor concrete vibrating and compacting effect, easy to be damaged, and increased number of repeated uses.

Pending Publication Date: 2021-04-06
王冰璇
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The concrete supports used for foundation pit support are inevitably collided by excavators and other construction machinery during the process of transportation, stacking and excavation of earth, especially the concrete at the corners of the components is easily damaged. The sharp shape is caused, on the other hand, it is also caused by the angular concrete close to the formwork. The existence of the formwork leads to poor vibrating and compacting effect of the concrete close to the formwork
This shortcoming leads to a reduction in the life of the concrete prefabricated components for repeated use. In order to increase the number of repeated uses, the anti-collision self-protection measures of the prefabricated components are particularly important.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Anti-collision self-protection precast concrete component
  • Anti-collision self-protection precast concrete component
  • Anti-collision self-protection precast concrete component

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] The first step: process the steel bars of the prefabricated components, use edge protectors and auxiliary tools to integrate the steel bars into a reinforcement cage, and put them into the installed mold for making prefabricated components;

[0071] Step 2: Place plastic partitions between the reinforcement cages of adjacent prefabricated components, install internal embedded parts, and insert steel strands in the reinforcement cages and plastic partitions along the longitudinal direction;

[0072] The third step: pouring concrete and curing according to the set period;

[0073] Step 4: After the curing period is reached, the mold is lifted, hoisted, and the prefabricated components are transported to the stacking position to complete the production of a batch of prefabricated components.

Embodiment 2

[0075] The first step: first complete the construction of the foundation pit column piles and columns, and at the same time as the construction of the foundation pit surrounding protection piles, pour concrete cushions at the positions of the columns (single-span without columns) and the connection point of the inner support;

[0076] Step 2: The horizontal support of the inner support frame includes support supports and mid-span supports. First, hoist and install support supports, and then install mid-span supports between two adjacent support supports. The supports are made of prefabricated panels. The parts are combined by rigid bolts;

[0077] Step 3: In the direction of the longitudinal axis of the support, the adjacent prefabricated panels are connected by longitudinal connectors, and the longitudinal connectors of the longitudinal connectors are placed into the storage holes by placing the body, and then the adjacent prefabricated panels are connected by the locking body...

Embodiment 3

[0081] What differs from embodiment 2 is the 3rd step and the 5th step:

[0082] Step 3: In the direction of the longitudinal axis of the support, the outsourcing bolts are used to connect adjacent prefabricated panels. Medium support; according to the needs, set the vertical prefabricated panel surface and the bolt body of the outer bolt plate to fix the outer bolt; if it is necessary to set measures to adjust the internal force and deformation of the support, reserve space between adjacent prefabricated panels , into the steel backing plate and the axial pressure regulator;

[0083] Step 5: After the construction of the foundation floor is completed, remove the last support, use temporary vertical support measures such as mobile support frames or scaffolding, erect it under the horizontal inner support composed of prefabricated panels, and remove the outer bolts and rigid bolts , using tower cranes or other hoisting equipment to lift the prefabricated panels out of the foun...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an anti-collision self-protection precast concrete component. Buffer edges are arranged; protection edges are arranged outside the buffer edges; the protection edges are tightly attached to the buffer edges and are anchored into concrete through edge anchors; the protection edges conduct anti-collision self-protection of the first stage; and the buffer edges have the anti-collision self-protection function of the second stage. In a manufacturing process, shaping partitions are used for separation, and the precast component with the precise end face is manufactured. According to the precast component, a plate aligner, a combined inner support for foundation pit support and a fabricated enclosing purlin are used, precast slab parts are connected through longitudinal connectors and built-in longitudinal bolts or are connected through outer wrapping bolts, and an axial pressure adjuster is arranged to adjust axial force and deformation between the precast components; and after being used as the inner support for multiple times, the precast slab part can also be used as a fabricated terrace, a gravity dam coping plate of the foundation pit support and a fabricated enclosing wall. According to the technology, the cost is reduced, the construction period is shortened, the construction is convenient, energy conservation and environmental protection are achieved, the quality is improved, and remarkable economic and social benefits are achieved.

Description

technical field [0001] The invention relates to the technical field of foundation pit engineering, in particular to an anti-collision self-protective concrete prefabricated component. Background technique [0002] Concrete structure is a structural form widely used in civil engineering, and it is divided into cast-in-place, prefabricated and assembled integral forms, and concrete prefabricated components are the basic components of assembled and assembled integral. Existing concrete prefabricated components are generally connected into a whole by means of cast-in-place or grouting even in prefabricated concrete structures, and it is difficult and rare to achieve multiple reuse of concrete prefabricated components. [0003] The foundation pit support (or called the foundation pit enclosure) in the foundation pit engineering occupies an important part of the construction cost. The method of increasing the fulcrum is adopted to reduce the bending moment and shear force of the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 王立明王冰璇
Owner 王冰璇
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products