CN203939199U - The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage - Google Patents

The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage Download PDF

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Publication number
CN203939199U
CN203939199U CN201420127970.3U CN201420127970U CN203939199U CN 203939199 U CN203939199 U CN 203939199U CN 201420127970 U CN201420127970 U CN 201420127970U CN 203939199 U CN203939199 U CN 203939199U
Authority
CN
China
Prior art keywords
cast
precast stair
place
terraced beam
stair
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.)
Expired - Fee Related
Application number
CN201420127970.3U
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Chinese (zh)
Inventor
宋连兴
冯云
刁晓翔
王旭
车金浩
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.)
TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION Co Ltd
Original Assignee
TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION Co Ltd
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Filing date
Publication date
Application filed by TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION Co Ltd filed Critical TIANJIN HOUSING GROUP CONSTRUCTION ENGINEERING CONTRACTION Co Ltd
Priority to CN201420127970.3U priority Critical patent/CN203939199U/en
Application granted granted Critical
Publication of CN203939199U publication Critical patent/CN203939199U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses the connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage, it comprises that interval is embedded in many bolt screw threads on cast-in-place terraced beam, at precast stair and the horizontal intersection of cast-in-place terraced beam, there is pea gravel concreten seat slurry, many bolt screw threads on cast-in-place terraced beam are fixedly linked cast-in-place terraced beam and precast stair through precast stair end bolt threaded bore, in bolt threaded bore, filled up high-strength grout, in the reserved constuction joint of precast stair and the vertical intersection of cast-in-place terraced beam, be filled with polyphenyl plate, in the vertical intersection of polyphenyl plate two sides and precast stair and cast-in-place terraced beam, being wiped with mortar makes polyphenyl plate and precast stair and cast-in-place terraced beam bonding firmly.The beneficial effect of the utility model structure is: avoided the agent structure destruction that bumps.

Description

The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage
Technical field
The utility model relates to assembled integral building field, relates in particular to the connection constructing structure in the place's earthquake-proof impact wreckage of a kind of precast stair bearing.
Background technology
The application of assembled integral building system has not only been shortened the duration, reduced the consumption of on-the-spot material and facility, alleviated the harm such as airborne dust that traditional architecture construction causes society, noise, saved artificial, fully improve the advantage that building usable floor area etc. is benefited the nation and the people.Wherein precast stair low side and high-end place all take the mode cast-in-place with agent structure in construction, to implement comparatively difficulty, therefore between stair and body abutment member, take the mode of two ends freely-supported, when the Rig up error at stair bearing place will cause earthquake in prior art and the bump problem hidden danger of destruction of agent structure.
By retrieval, learn the patent of having authorized:
1 application number is: the Chinese patent of CN201210013107.0 discloses " a kind of mounting method of reinforced concrete prefabricated stair and structure ", this disclosure of the invention a kind of mounting method and structure of reinforced concrete prefabricated stair, a girder steel is mounted on pillar crane by hoisting wirerope, on girder steel, be provided with handling and regulate wire rope simultaneously, after regulating wire rope to be connected on reinforced concrete prefabricated stair with bolt handling, can be by pillar crane by reinforced concrete prefabricated stair handling to stair mounting platform place, and its upper end platform and lower end platform are placed on respectively on stair mounting platform, make pre-buried reinforcing bar inject respectively in the corresponding reinforcing bar locating hole on reinforced concrete prefabricated stair upper end platform and lower end platform simultaneously, and adopt pea gravel concreten to fill up the gap between the hole of reinforcing bar locating hole and stair mounting platform and reinforced concrete prefabricated stair.The gap of this patent between stair mounting platform and reinforced concrete prefabricated stair filled up with pea gravel concreten, once there is earthquake owing to being that rigid material is filled, reinforced concrete prefabricated stair will impact wreckage.
2 application numbers are: the Chinese patent of CN201220019042.6 discloses " a kind of mounting structures of reinforced concrete prefabricated stair ", this structure, comprise reinforced concrete prefabricated stair and the concrete floor that is provided with the building of stair installing port, on the upper end of reinforced concrete prefabricated stair platform and lower end platform, be provided with reinforcing bar locating hole, stair installing port place at the concrete floor of building is provided with stair mounting platform, and is embedded with reinforcing bar on stair mounting platform.
The gap of 1-2 item patent between stair mounting platform and reinforced concrete prefabricated stair filled up with pea gravel concreten, once there is earthquake owing to being that rigid material is filled, reinforced concrete prefabricated stair will impact wreckage.
3 application numbers are: the Chinese patent of CN201310075821.7 discloses " a kind of concrete prefabricated stairs fixed end bearing ", this bearing, comprises cast-in-situ concrete stair stringer, cast-in-situ stair platform, concrete prefabricated stairs, the built-in fitting being connected with cast-in-situ stair platform, the lifting part being connected with precast stair two ends.The present invention has replaced traditional cast-in-situ stair with precast stair, compact structure design, convenient construction, cost is low, effectively solved the structural deterioration causing due to seismic load distortion and temperature deformation, overcome the on-the-spot formwork difficulty of cast-in-situ stair simultaneously, constuction joint quality is wayward, the amount of labour used and the large shortcoming of timber consumption, can extensive use in precasting process.
4 application numbers are: the Chinese patent of CN201320108230.0 discloses " a kind of concrete prefabricated stairs fixed end bearing ", this bearing, comprises cast-in-situ concrete beam, reserved steel tie, reserved joint bar, concrete prefabricated stairs, ribbet, 1:3 cement mortar seat slurry and C35 micro expanding cement grout.The beneficial effects of the utility model are, compact structure design, and convenient construction, cost is low, has effectively solved the structural deterioration causing due to seismic load distortion and temperature deformation, can extensive use in precasting process.
In the ribbet of 3-4 item patent between L-type overlap joint platform and precast stair, pour into tack coat, do not take measure and the material of reinforced concrete prefabricated stair impact wreckage.
5 application numbers are: the Chinese patent of CN201220549089.3 discloses " sliding support of a kind of stair and concrete prefabricated stairs ", a concrete prefabricated stairs, and described concrete prefabricated stairs comprises a fixed end and a movable end; One sliding support, described sliding support material is polytetrafluoroethylene (PTFE); One stair support platform; Wherein, described sliding support is fixed in described stair support platform, and described movable end is supported on described sliding support, and described movable end can slide on described sliding support.The material that the sliding support of the precast stair of this patent has just simply been introduced precast stair sliding support is polytetrafluoroethylene (PTFE), can't see installation process at the scene, and the sliding support of this movable end is that safety factor is too low in not earthquake at ordinary times, can not guarantee the reliable problem of use safety, sound construction at ordinary times.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, and the firmly connection constructing structure at the precast stair bearing place of earthquake-proof impact wreckage of simple structure, safety is provided.
The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage, it comprises that interval is embedded in many bolt screw threads on cast-in-place terraced beam, at precast stair and the horizontal intersection of cast-in-place terraced beam, there is pea gravel concreten seat slurry, many bolt screw threads on cast-in-place terraced beam are fixedly linked cast-in-place terraced beam and precast stair through precast stair end bolt threaded bore, in bolt threaded bore, filled up high-strength grout, in the reserved constuction joint of precast stair and the vertical intersection of cast-in-place terraced beam, be filled with polyphenyl plate, in the vertical intersection of polyphenyl plate two sides and precast stair and cast-in-place terraced beam, being wiped with mortar makes polyphenyl plate and precast stair and cast-in-place terraced beam bonding firmly.
The beneficial effect of the utility model structure is: many bolt screw threads pre-buried on precast stair two ends and cast-in-place terraced beam are fastening, and fill up high-strength grout in bolt threaded bore, in the reserved constuction joint of precast stair and the vertical intersection of cast-in-place terraced beam, fill polyphenyl plate, in the vertical intersection of polyphenyl plate two sides and precast stair and cast-in-place terraced beam, be wiped with mortar make bonding firmly.This flexible material of polyphenyl plate rocks and will play a protective role precast stair during earthquake like this, has avoided the agent structure destruction that bumps.
Accompanying drawing explanation
Accompanying drawing is the schematic diagram of the connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage of the present utility model, it comprises that interval is embedded in many bolt screw threads 2 on cast-in-place terraced beam 3, in precast stair 1 and the horizontal intersection of cast-in-place terraced beam, there is pea gravel concreten seat slurry 5, many bolt screw threads 2 on cast-in-place terraced beam are fixedly linked cast-in-place terraced beam and precast stair through precast stair end bolt threaded bore, in bolt threaded bore, filled up high-strength grout, in the reserved constuction joint of precast stair and the vertical intersection of cast-in-place terraced beam, be filled with polyphenyl plate 4, in the vertical intersection of polyphenyl plate two sides and precast stair and cast-in-place terraced beam, being wiped with mortar makes polyphenyl plate and precast stair and cast-in-place terraced beam bonding firmly.

Claims (1)

1. the connection constructing structure of a precast stair bearing place earthquake-proof impact wreckage, it is characterized in that: it comprises that interval is embedded in many bolt screw threads on cast-in-place terraced beam, at precast stair and the horizontal intersection of cast-in-place terraced beam, there is pea gravel concreten seat slurry, many bolt screw threads on cast-in-place terraced beam are fixedly linked cast-in-place terraced beam and precast stair through precast stair end bolt threaded bore, in bolt threaded bore, filled up high-strength grout, in the reserved constuction joint of precast stair and the vertical intersection of cast-in-place terraced beam, be filled with polyphenyl plate, in the vertical intersection of polyphenyl plate two sides and precast stair and cast-in-place terraced beam, being wiped with mortar makes polyphenyl plate and precast stair and cast-in-place terraced beam bonding firmly.
CN201420127970.3U 2014-03-20 2014-03-20 The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage Expired - Fee Related CN203939199U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420127970.3U CN203939199U (en) 2014-03-20 2014-03-20 The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420127970.3U CN203939199U (en) 2014-03-20 2014-03-20 The connection constructing structure of a kind of precast stair bearing place's earthquake-proof impact wreckage

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CN203939199U true CN203939199U (en) 2014-11-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284877A (en) * 2016-08-05 2017-01-04 成都市第四建筑工程公司 Assembled stair and installation method thereof
CN107816125A (en) * 2017-10-26 2018-03-20 叶长青 The structure of basement and superstructure synchronous construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106284877A (en) * 2016-08-05 2017-01-04 成都市第四建筑工程公司 Assembled stair and installation method thereof
CN107816125A (en) * 2017-10-26 2018-03-20 叶长青 The structure of basement and superstructure synchronous construction
CN107816125B (en) * 2017-10-26 2024-06-07 临沂锋立建筑劳务有限公司 Structure for synchronous construction of basement and superstructure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141112

Termination date: 20170320

CF01 Termination of patent right due to non-payment of annual fee