CN104018429B - A kind of soft base place semi girder straightway construction bracket system and erection method thereof - Google Patents
A kind of soft base place semi girder straightway construction bracket system and erection method thereof Download PDFInfo
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- CN104018429B CN104018429B CN201410292547.3A CN201410292547A CN104018429B CN 104018429 B CN104018429 B CN 104018429B CN 201410292547 A CN201410292547 A CN 201410292547A CN 104018429 B CN104018429 B CN 104018429B
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- steel pipe
- bailey beam
- supporting frame
- cushion cap
- cantilever supporting
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Abstract
The invention provides a kind of soft base place semi girder straightway construction bracket system and erection method thereof, described mounting system comprises the first steel pipe that bottom is connected with cushion cap and the second steel pipe be inserted in soft base, stull and bridging is connected with between first steel pipe and the second steel pipe, the top of the first steel pipe and the second steel pipe is provided with Bailey beam, the end of Bailey beam is connected with triangle cantilever supporting frame, triangle cantilever supporting frame comprises orthogonal crossbeam and longeron, longeron is connected with Bailey beam, crossbeam flushes with the top of Bailey beam, the top of Bailey beam and triangle cantilever supporting frame is also equipped with the lumps of wood and template.After straightway concrete placings reaches intensity, can the triangle cantilever supporting frame of beret truss front end in leading striking system, vacate lower space, facilitate the traveling of Hanging Basket bed die front beam, construction for closure segment provides convenient, thus present invention reduces short construction period, improve efficiency of construction, expense is low, mounting or dismounting are convenient.
Description
Technical field
The present invention relates to technical field of construction, especially relate to a kind of soft base place semi girder straightway construction bracket system and
itserection method.
Background technology
Along with the high speed development of modern economy, the construction of rail transport is extremely urgent.In the construction of rail transport, the construction of bridge often adopts semi girder.When existing semi girder straightway is positioned at soft base place, often adopt stiffening basic ground or adopt a large amount of shaped steel, bowl buckles and sets up mounting system, high, the consuming time length of cost, lifting amount are large, work high above the ground danger increases, especially after straightway concrete placings completes, the traveling of closure segment Hanging Basket at bed die front beam can be had a strong impact on, increase the difficulty of construction.
Summary of the invention
For above-mentioned defect, one object of the present invention is to provide a kind of soft base place semi girder straightway construction bracket system, it is after straightway concrete reaches intensity, get final product the triangle cantilever supporting frame of beret truss front end in leading striking system, vacate lower space, facilitate the traveling of Hanging Basket bed die front beam, construction for closure segment provides convenient, to shorten construction period, improve efficiency of construction, expense is low, mounting or dismounting are convenient.
Another object of the present invention is the erection method providing a kind of soft base place semi girder straightway construction bracket system.
In order to realize above-mentioned first object, the invention provides a kind of soft base place semi girder straightway construction bracket system, described mounting system comprises the first steel pipe that bottom is connected with cushion cap and the second steel pipe be inserted in soft base, stull and bridging is connected with between described first steel pipe and the second steel pipe, the top of described first steel pipe and described second steel pipe is provided with Bailey beam, the end of described Bailey beam is connected with triangle cantilever supporting frame, described triangle cantilever supporting frame comprises orthogonal crossbeam and longeron, described longeron is connected with described Bailey beam, described crossbeam flushes with the top of described Bailey beam, the top of described Bailey beam and described triangle cantilever supporting frame is also equipped with the lumps of wood and template.
From such scheme, the present invention connects triangle cantilever supporting frame in the end of Bailey beam, triangle cantilever supporting frame flushes with the top of Bailey beam, triangle cantilever supporting frame and Bailey beam lay the lumps of wood and template jointly, template carries out building of straightway concrete, after straightway concrete placings completes, can the triangle cantilever supporting frame of Bailey beam front end in leading striking system, vacate lower space, facilitate Hanging Basket in the traveling of bed die front beam, construction for closure segment provides convenient, shortens short construction period, improves efficiency of construction.
According to mounting system of the present invention, described first steel pipe is connected with described cushion cap by cushion cap built-in fitting, and described stull one end is connected with pier shaft by pier shaft built-in fitting.The present invention adopts and on cushion cap, pier shaft, installs built-in fitting for being connected with the first steel pipe and stull, utilize original cushion cap, pier shaft and steel pipe formed complete entirety replace in prior art, adopting stiffening basic ground or adopt a large amount of shaped steel, bowl buckles and sets up mounting system, save cost, improve safety, improve efficiency of construction.
According to mounting system of the present invention, the top of described first steel pipe and the second steel pipe is provided with the plate that binds respectively successively, unloads low water steel and i beam, and described i beam top is connected with described Bailey beam.The present invention arranges the plate that binds in steel pipe top, unloads low water steel and i beam, first cuts off and unload low water steel during striking system, makes Bailey beam, the lumps of wood and template depart from straightway concrete beam body, and then removes the parts such as steel pipe, convenient disassembly.
According to mounting system of the present invention, described pier shaft built-in fitting and cushion cap built-in fitting are " Π " shape reinforcing bar.
According to mounting system of the present invention, described Bailey beam is connected to form by multi-disc beret truss.
According to mounting system of the present invention, between the crossbeam of described triangle cantilever supporting frame and longeron, be connected with skewed horizontal load beam.
In order to realize above-mentioned second object, the corresponding erection method providing a kind of soft base place semi girder straightway construction bracket system of the present invention, comprising: by the first fastener for connection to cushion cap, is inserted in by the second steel pipe in soft base; Stull and bridging is connected between described first steel pipe and the second steel pipe; On the top of described first steel pipe and described second steel pipe, Bailey beam is set; Connect triangle cantilever supporting frame in the end of described Bailey beam, described triangle cantilever supporting frame comprises orthogonal crossbeam and longeron, and described longeron is connected with described Bailey beam, and described crossbeam flushes with the top of described Bailey beam; The lumps of wood and template is laid at the top of described Bailey beam and described triangle cantilever supporting frame.
From such scheme, the present invention connects triangle cantilever supporting frame in the end of Bailey beam, triangle cantilever supporting frame flushes with the top of Bailey beam, triangle cantilever supporting frame and Bailey beam lay the lumps of wood and template jointly, template carries out building of straightway concrete, after straightway concrete placings completes, can the triangle cantilever supporting frame of Bailey beam front end in leading striking system, vacate lower space, facilitate Hanging Basket in the traveling of bed die front beam, construction for closure segment provides convenient, shortens short construction period, improves efficiency of construction.
According to erection method of the present invention, by the first fastener for connection to cushion cap step before also comprise: at described cushion cap and pier shaft pre-buried cushion cap built-in fitting and pier shaft built-in fitting respectively.
According to erection method of the present invention, the step of the first fastener for connection to cushion cap is comprised: by described first fastener for connection to described cushion cap built-in fitting.
According to erection method of the present invention, the step connecting stull and bridging between described first steel pipe and the second steel pipe also comprises: described stull one end is connected to described pier shaft built-in fitting.
From such scheme, the present invention adopts and on cushion cap, pier shaft, installs built-in fitting for being connected with the first steel pipe and stull, utilize original cushion cap, pier shaft and steel pipe formed complete entirety replace in prior art, adopting stiffening basic ground or adopt a large amount of shaped steel, bowl buckles and sets up mounting system, save cost, improve safety, improve efficiency of construction.
According to erection method of the present invention, also comprised before the top of described first steel pipe and described second steel pipe arranges the step of Bailey beam: set up the plate that binds respectively successively at the top of described first steel pipe and the second steel pipe, unload low water steel and i beam, described i beam top is connected with described Bailey beam.
From such scheme, the present invention arranges the plate that binds in steel pipe top, unloads low water steel and i beam, first cuts off and unload low water steel during striking system, makes Bailey beam, the lumps of wood and template depart from straightway concrete beam body, and then remove the parts such as steel pipe, convenient disassembly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that a kind of soft base place of the present invention semi girder straightway construction bracket system coordinates with pier shaft and cushion cap;
Fig. 2 is the enlarged diagram of part-structure in Fig. 1;
The flow chart of the erection method of a kind of soft base place of Fig. 3 the present invention semi girder straightway construction bracket system;
Fig. 4 is the schematic diagram of straightway concrete another section of bridge construction;
Fig. 5 is at the schematic diagram carrying out closure segment construction dismounting triangle cantilever supporting frame;
Fig. 6 is the schematic diagram that closure segment has been constructed;
Fig. 7 is that closure segment has been constructed the schematic diagram after rear dismounting Hanging Basket; And
Fig. 8 is that closure segment has been constructed the schematic diagram of rear striking system.
Reference numeral
1-pier shaft, 2-cushion cap, the 3-the first steel pipe, the 4-the second steel pipe, 5-soft base, 6-stull, 7-bridging, 8-cushion cap built-in fitting, 9-pier shaft built-in fitting, 10-Bailey beam, 11-triangle cantilever supporting frame, 111-crossbeam, 112-longeron, 113-skewed horizontal load beam, 12-template, the 13-plate that binds, 14-unload low water steel, 15-i beam, 16-Hanging Basket, 17-straightway concrete.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the invention provides a kind of soft base place semi girder straightway construction bracket system, described semi girder comprises pier shaft 1, cushion cap 2 etc., and mounting system comprises the first steel pipe 3 and the second steel pipe 4 etc.
The bottom of the first steel pipe 3 is connected with cushion cap 2, and the second steel pipe 4 is inserted in soft base 5.Stull 6 and bridging 7 is connected with between first steel pipe 3 and the second steel pipe 4.First steel pipe 3 is connected with cushion cap 2 by cushion cap built-in fitting 8, and stull 6 one end is connected with pier shaft 1 by pier shaft built-in fitting 9.Particularly, the first steel pipe 3 is soldered to cushion cap built-in fitting 8, and stull 6 is soldered to pier shaft built-in fitting 9.Pier shaft built-in fitting 9 and cushion cap built-in fitting 8 are preferably " Π " shape reinforcing bar.The present invention adopts and on cushion cap 2, pier shaft 1, installs built-in fitting for being connected with the first steel pipe 3 and stull 6, utilize original cushion cap 2, pier shaft 1 and steel pipe formed complete entirety replace in prior art, adopting stiffening basic ground or adopt a large amount of shaped steel, bowl buckles and sets up mounting system, save cost, improve safety, improve efficiency of construction.
As depicted in figs. 1 and 2, the top of the first steel pipe 3 and the second steel pipe 4 is provided with Bailey beam 10, the end of Bailey beam 10 is connected with triangle cantilever supporting frame 11, triangle cantilever supporting frame 11 comprises orthogonal crossbeam 111 and longeron 112, longeron 112 is connected with Bailey beam 10, crossbeam 111 flushes with the top of Bailey beam 10, and the top of Bailey beam 10 and triangle cantilever supporting frame 11 is also equipped with the lumps of wood and this template of template 12(is bed die).Bailey beam 10 is connected to form by multi-disc beret truss.The present invention connects triangle cantilever supporting frame 11 in the end of Bailey beam 10, triangle cantilever supporting frame 11 flushes with the top of Bailey beam 10, triangle cantilever supporting frame 11 and Bailey beam 10 lay the lumps of wood and template 12 jointly, template 12 carries out building of straightway concrete 17, after straightway concrete 17 has been built, can the triangle cantilever supporting frame 11 of Bailey beam 10 front end in leading striking system, vacate lower space, facilitate Hanging Basket 16 in the traveling of bed die front beam, construction for closure segment provides convenient, shorten construction period, improve efficiency of construction.
As shown in Figure 2, skewed horizontal load beam 113 is also connected with between the crossbeam 111 of triangle cantilever supporting frame 11 and longeron 112.
As shown in Figure 2, the top of the first steel pipe 3 and the second steel pipe 4 is provided with the plate 13 that binds respectively successively, unloads low water steel 14 and i beam 15, and i beam 15 top is connected with Bailey beam 10.First cut off during striking system and unload low water steel 14, make Bailey beam 10, the lumps of wood and template 12 depart from straightway concrete beam body, and then remove the parts such as steel pipe, convenient disassembly.
As shown in Figure 1 to Figure 3, the corresponding erection method providing a kind of soft base place semi girder straightway construction bracket system of the present invention, the method comprises the following steps:
Step S301, is connected to the cushion cap 2 of semi girder by the first steel pipe 3, be inserted in soft base 5 by the second steel pipe 4.Preferably, also comprised before this step: at the cushion cap 2 of semi girder and the pre-buried cushion cap built-in fitting 8 of pier shaft 1 and pier shaft built-in fitting 9.This cushion cap built-in fitting 8 and pier shaft built-in fitting 9 are " Π " shape reinforcing bar.First steel pipe 3 is connected to the cushion cap 2 of semi girder, comprises: the first steel pipe 3 is connected to cushion cap built-in fitting 8, preferably the first steel pipe 3 is soldered to cushion cap built-in fitting 8.
Step S302, connects stull 6 and bridging 7 between the first steel pipe 3 and the second steel pipe 4.This step also comprises just stull 6 one end and is connected to pier shaft built-in fitting 9, and particularly, stull 6 is connected to pier shaft built-in fitting 9 by welding manner.
Step S303, arranges Bailey beam 10 on the top of the first steel pipe 3 and the second steel pipe 4.Preferably, also comprised before step S303: set up the plate 13 that binds successively respectively at the top of the first steel pipe 3 and the second steel pipe 4, unload low water steel 14 and i beam 15, i beam 15 top is connected with Bailey beam 10.After i beam 15 has been set up, then set up Bailey beam 10 at i beam 15 top, this Bailey beam 10 is made up of multiple beret truss.
Step S304, connect triangle cantilever supporting frame 11 in the end of Bailey beam 10, triangle cantilever supporting frame 11 comprises orthogonal crossbeam 111 and longeron 112, and longeron 112 is connected with Bailey beam 10, and crossbeam 111 flushes with the top of Bailey beam 10.Preferably, skewed horizontal load beam 113 is connected with between the crossbeam 111 of triangle cantilever supporting frame 11 and longeron 112.
Step S305, lays the lumps of wood and template 12 at the top of Bailey beam 10 and triangle cantilever supporting frame 11.
Fig. 4 is the schematic diagram of straightway concrete another section of bridge construction; Fig. 5 is at the schematic diagram carrying out closure segment construction dismounting triangle cantilever supporting frame; Fig. 6 is the schematic diagram that closure segment has been constructed; Fig. 7 is that closure segment has been constructed the schematic diagram after rear dismounting Hanging Basket; Fig. 8 is that closure segment has been constructed the schematic diagram of rear striking system.With reference to figure 4 to Fig. 6, after straightway concrete placings completes, first remove the lumps of wood above the triangle cantilever supporting frame 11 of Bailey beam 10 front end and this triangle cantilever supporting frame 11 and template, for Hanging Basket 16 traveling provides sufficient space, clear away Hanging Basket 16 at bed die front beam place obstacle.Construction for closure segment provides convenient, shortens short construction period, improves efficiency of construction.With reference to figure 7 and Fig. 8, after closure segment has been constructed, first cut off when first can remove Hanging Basket 16 striking system and unload low water steel, and then striking system, when striking system, first cut off and unload low water steel 14, make Bailey beam 10, the lumps of wood and template 12 depart from straightway concrete beam body, and then remove the parts such as steel pipe, convenient disassembly.
Be appreciated that above description and accompanying drawing are only used for explaining the present invention, certainly, additive method also can be adopted under the claims in the present invention ambit to change and amendment the present invention not departing from.
Claims (8)
1. a soft base place semi girder straightway construction bracket system, is characterized in that,
Described mounting system comprises the first steel pipe that bottom is connected with cushion cap and the second steel pipe be inserted in soft base, is connected with stull and bridging between described first steel pipe and the second steel pipe,
The top of described first steel pipe and described second steel pipe is provided with Bailey beam, the end of described Bailey beam is connected with triangle cantilever supporting frame, described triangle cantilever supporting frame comprises orthogonal crossbeam and longeron, described longeron is connected with described Bailey beam, described crossbeam flushes with the top of described Bailey beam, and the top of described Bailey beam and described triangle cantilever supporting frame is also equipped with the lumps of wood and template;
Described first steel pipe is connected with described cushion cap by cushion cap built-in fitting, and described stull one end is connected with pier shaft by pier shaft built-in fitting;
Skewed horizontal load beam is connected with between the crossbeam of described triangle cantilever supporting frame and longeron.
2. mounting system according to claim 1, is characterized in that, the top of described first steel pipe and the second steel pipe is also provided with the plate that binds respectively successively, unloads low water steel and i beam, and described i beam top is connected with described Bailey beam.
3. mounting system according to claim 1, is characterized in that, described pier shaft built-in fitting and cushion cap built-in fitting are " Π " shape reinforcing bar.
4. an erection method for soft base place semi girder straightway construction bracket system, is characterized in that,
By the first fastener for connection to cushion cap, the second steel pipe is inserted in soft base;
Stull and bridging is connected between described first steel pipe and described second steel pipe;
On the top of described first steel pipe and described second steel pipe, Bailey beam is set;
Connect triangle cantilever supporting frame in the end of described Bailey beam, described triangle cantilever supporting frame comprises orthogonal crossbeam and longeron, and described longeron is connected with described Bailey beam, and described crossbeam flushes with the top of described Bailey beam;
The lumps of wood and template is laid at the top of described Bailey beam and described triangle cantilever supporting frame.
5. erection method according to claim 4, is characterized in that, by the first fastener for connection to cushion cap step before also comprise:
At described cushion cap and pier shaft pre-buried cushion cap built-in fitting and pier shaft built-in fitting respectively.
6. method according to claim 5, is characterized in that, the step of the first fastener for connection to cushion cap is comprised:
By described first fastener for connection to described cushion cap built-in fitting.
7. erection method according to claim 5, is characterized in that, the step connecting stull and bridging between described first steel pipe and described second steel pipe also comprises:
Described stull one end is connected to described pier shaft built-in fitting.
8. erection method according to claim 4, is characterized in that, also comprises before the top of described first steel pipe and described second steel pipe arranges the step of Bailey beam:
Set up the plate that binds respectively successively at the top of described first steel pipe and the second steel pipe, unload low water steel and i beam, described i beam top is connected with described Bailey beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410292547.3A CN104018429B (en) | 2014-06-26 | 2014-06-26 | A kind of soft base place semi girder straightway construction bracket system and erection method thereof |
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| CN201410292547.3A CN104018429B (en) | 2014-06-26 | 2014-06-26 | A kind of soft base place semi girder straightway construction bracket system and erection method thereof |
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| CN104018429A CN104018429A (en) | 2014-09-03 |
| CN104018429B true CN104018429B (en) | 2016-04-06 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104594204B (en) * | 2015-01-29 | 2016-01-13 | 中铁十九局集团轨道交通工程有限公司 | Urban light rail viaduct mountain type U beam Construction Supporting System and construction method |
| CN104652288A (en) * | 2015-03-06 | 2015-05-27 | 中铁十六局集团第二工程有限公司 | Construction system of cast-in-situ large-tonnage box girder for soft soil foundation and construction method |
| CN106988228A (en) * | 2017-03-07 | 2017-07-28 | 荣盛建设工程有限公司 | Prestressed concrete continuous beam girder construction process |
| CN108103956B (en) * | 2017-12-21 | 2020-02-14 | 中铁三局集团华东建设有限公司 | Construction method of side span cable-stayed bracket of cantilever cast beam |
| CN112160254A (en) * | 2020-11-02 | 2021-01-01 | 中建八局第二建设有限公司 | Construction method of high-simply-supported cast-in-place beam assembly type steel pipe-Bailey beam support |
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