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

Post-tensioning bonded prestress concrete composite beam and design and construction methods thereof

A technology of bonding prestressed and laminated beams, which is applied in the direction of joists, girders, trusses, etc., to achieve the effect of improving weather resistance

Active Publication Date: 2019-06-11
上海同吉建筑工程设计有限公司 +1
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bonded prestressed structure was proposed earlier, and it has matured so far. Although it is not as good as the mechanical properties of the bonded prestressed structure, its construction performance is better and its quality is relatively more reliable.

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
  • Post-tensioning bonded prestress concrete composite beam and design and construction methods thereof
  • Post-tensioning bonded prestress concrete composite beam and design and construction methods thereof
  • Post-tensioning bonded prestress concrete composite beam and design and construction methods thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0048] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0049] see figure 1 — Figure 4Provided is a post-tensioned prestressed concrete composite beam with bonding, the composite beam is post-tensioned to apply bonded prestress to the composite beam, and a layer of top layer is arranged on the top of the composite beam Longitudinal reinforcement 1, a layer of bottom longitudinal reinforcement 5 is provided at the bottom of the composite beam, a composite layer 2 is provided at the top of the composite beam, and two layers of tie bars are provided at the middle of the composite beam 7. Waist bars 3 are arranged at the lower end of the tie bars 7 in each layer, a number of bonded prestressed tendons 4 are arranged at the lower part of the composite beam, and hoops are arranged on the periphery of the composite beam Rib 6, the two ends of the post-tensioned bonded prestressed tendon 4 protrude out of the composite...

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 a post-tensioning bonded prestress concrete composite beam and a construction method thereof. According to the composite beam, in order to meet the use demands, post-tensioning unbounded prestress is applied to the whole beam after the composite beam is composited and formed. Compared with a traditional composite beam, a post-tensioning bonded prestress technology is adopted by the post-tensioning bonded prestress concrete composite beam, the characteristics that a lower composite structure is high in prefabricating degree and fast and convenient to construct are accorded, and the anti-cracking and anti-bending performance of components can also be improved. The post-tensioning prestress can be applied to the post-tensioning bonded prestress concrete composite beamafter whole construction, post-tensioning unbounded prestress tendons also have good anti-corrosion performance, thus the post-tensioning bonded prestress concrete composite beam is particularly suitable for structures with the high requirements for deformation control, bearing capacity and weather resistance and with the high-performance requirements for the large span and the heavy load, and the superiority of the fabricated structure can also be reflected while the design requirements are met.

Description

technical field [0001] The invention relates to the technical field of civil engineering design, in particular to a construction method of a multi-stage tensioned prestressed concrete composite beam with bonded and then tensioned in a large-span heavy-duty structure. Background technique [0002] In recent years, with the improvement of my country's construction technology, the corresponding construction level has also become higher and higher. There are new concepts and requirements in terms of architectural beauty, architectural quality, construction efficiency, green, low-carbon and energy-saving buildings, etc. However, the labor cost of manpower and the environmental impact control requirements during the construction process will also increase, which will not be a small test for the improvement of the construction level. The industrialization of construction has attracted more and more attention because its integrated production mode of design and construction can mee...

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): E04C3/10E04G21/12
Inventor 熊学玉肖启晟汪继恕熊斌
Owner 上海同吉建筑工程设计有限公司
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

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com