CN105442856B - A kind of multi-angle gross ton position casing construction method of installation - Google Patents
A kind of multi-angle gross ton position casing construction method of installation Download PDFInfo
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- CN105442856B CN105442856B CN201511026886.8A CN201511026886A CN105442856B CN 105442856 B CN105442856 B CN 105442856B CN 201511026886 A CN201511026886 A CN 201511026886A CN 105442856 B CN105442856 B CN 105442856B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of multi-angle gross ton position casing construction method of installation, it comprises the following steps：Step 1: carrying out the installation of support；Step 2: being tiled first on the concrete work face through overcure as upper box and lower box in the platform steel plate of the platform of installation on ground, the splicing of lower box bottom plate, the casing assembly of lower box and the casing assembly of upper box are then carried out respectively on platform steel plate again；To be cast to finish Step 3: in lower box and top box internal casting concrete, concrete strength, which reaches after 100%, is blocked the preformed hole on upper box top plate with steel plate.The method reduces the input of manpower and materials, the duration is shortened, effectively prevent that the local stiffness caused by integral assembling is excessive, stress excessively concentrates brought hidden danger of quality, welding quality is improved.
Description
Technical field
The present invention relates to casing construction method, more particularly to a kind of multi-angle gross ton position casing construction method of installation.
Background technology
The static load and dynamic load of whole superstructure are supported by two steel structure concrete batter posts, battered leg column top and steel casing
Connection, angle of inclination is differed, and required precision is high, and positioning is complicated.The assembled steel plate thickness of steel casing is big, and welding job amount is big, weldering
Connect deformation whard to control.Soldering angle is changeable, and operating condition is limited, and welding quality requires high.Larger, the upper air installing of casing deadweight
Difficulty is high.
The content of the invention
Support firm, positioning precision high, safe and reliable it is an object of the invention to provide one kind, possess and be connected with battered leg post
Close reliable multi-angle gross ton position casing construction method of installation
A kind of multi-angle gross ton position casing construction method of installation of the present invention, it comprises the following steps：
Step 1: carrying out the installation of support；
(1) special-shaped leg post support is built；
(2) the absolute altitude highest point and lowest part at the top of the top stiff skeleton that described special-shaped leg post is supported are respectively welded
Positioning limit plate；
(3) in described top stiff skeleton perisporium installation form, and from top stiff skeleton bottom pouring concrete to
Following position at the top of the stiff skeleton of top；
Step 2: being tiled first on the concrete work face through overcure as upper box and lower box in installation on ground
The platform steel plate of platform, then carries out the splicing of lower box bottom plate, the casing of lower box and spells respectively on platform steel plate again
It is filled with and the casing of upper box is assembled；
Wherein the bottom plate of lower box be made up of the docking of two pieces of bottom plates and lower box floor length >=9m, under described
It is provided with multiple blanking holes and up and down manhole on the bottom plate of casing, the splicing of two pieces of bottom plates of described lower box is:
(1) according to two pieces of base plate size unwrapping wire of lower box on described platform steel plate, then by two pieces of lower box
Bottom plate is placed on the unwrapping wire position of platform steel plate, then is welded on the length direction of two pieces of bottom plates, and specific method is：(a)
Welding contracted quantity is reserved in the width of weld seam and in the thickness direction arch rise left in advance of weld seam；(b) to weld seam both sides before welding
Lower box two pieces of bottom plates preheating；(c) start to be arranged symmetrically using segmentation to both sides along the centre position in fusion length direction
Back welding, every section is arranged in the range of 0.5-1m, while weld seam integrally uses small welding bead, the welding method of multilayer multiple tracks；(d) weld
Weld seam is incubated afterwards；
(2) diagonal of the bottom plate of the lower box after docking is measured, two of the bottom plate of lower box are cornerwise
Length variation≤± 2 millimeter；
(3) each two are set on 4 suspension centres, every diagonal on the base plate plane of lower box, and hanger is oriented parallel to
Diagonal, lower box bottom plate is hung the top for rising to described top stiff skeleton and is stuck in positioning limit plate；
(4) continue on the concrete that top stiff skeleton is poured at the top of casting concrete to top stiff skeleton；
Wherein, the casing for carrying out lower box is assembled and casing assembling method of upper box is identical, described lower box
The casing of casing and upper box is constituted by three pieces of casings, and the assembled process of casing of described lower box is：
(1) top plate of the first casing of lower box is placed on installation on ground platform as the first welding box body bottom plate,
Then first of longitudinal vertical plate is first welded on described top plate, then perpendicular separation welding is multiple rows of horizontal vertical on described longitudinal vertical plate
Plate, then welds adjacent second longitudinal vertical plate in the other end of described multiple rows of transverse vertical plate, repeats above step until completing
The welding of first casing is assembled；
(2) step (1) for repeating the assembled process of lower box is respectively completed the assembly of the second casing and the 3rd casing；
(3) the first casing is hung to the centre position for the plate top surface for rising to described lower box, and the vertical of the first casing
Riser, transverse vertical plate are weldingly connected with the bottom plate of lower box respectively；The second casing and the 3rd casing are hung respectively in the same way again
It is filled to the both sides of the first casing, and longitudinal vertical plate, the bottom plate of transverse vertical plate respectively with lower box the second casing and the 3rd casing
It is weldingly connected, it is finally again that the top plate welding between the first casing, the second casing and the 3rd casing is assembled connected；
(4) casing that the step of repeating the casing assembly process of described lower box (1)-(2) complete upper box is assembled；So
The step of repeating the casing assembly process of described lower box afterwards (3), which hangs each casing of upper box, rises to described lower box
Welded on top plate.
Step 3: in lower box and top box internal casting concrete, it is to be cast to finish, after concrete strength reaches 100%
The preformed hole on upper box top plate is blocked with steel plate.
The present invention is used for multi-angle gross ton position casing construction method of installation, reduces the input of manpower and materials, shortens work
It phase, effectively prevent that the local stiffness caused by integral assembling is excessive, stress excessively concentrates brought hidden danger of quality, improve
Welding quality.
Brief description of the drawings
Fig. 1 is a kind of scheme of installation of multi-angle gross ton position casing construction method of installation of the present invention；
Fig. 2 is the special-shaped leg post support facade signal in a kind of multi-angle gross ton position casing construction method of installation of the present invention
Figure；
Fig. 3 is a kind of base plate plane signal of the lower box of multi-angle gross ton position casing construction method of installation of the present invention
Figure；
Fig. 4 is a kind of the spacing of the stiff skeleton column top of multi-angle gross ton position casing construction method of installation of the present invention
Plate floor map；
Fig. 5 is that a kind of lower box of multi-angle gross ton position casing construction method of installation of the present invention spells backward casing installation signal
Figure；
Fig. 6 is the casing of lower box first, the second case of a kind of multi-angle gross ton position casing construction method of installation of the present invention
Body, the 3rd casing scheme of installation.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of multi-angle gross ton position casing construction method of installation of the present invention as shown in drawings, it comprises the following steps：
Step 1: carrying out the installation of support；
(1) special-shaped leg post support is built, specific steps are " a kind of referring to the Chinese patent of Application No. 201410669797.4
Chinese patent " a kind of special-shaped leg post support of special-shaped leg post support construction method of installation " and Application No. 201420700299.7
Installation structure "；As one embodiment of the present invention, the top stiff skeleton 3 of special-shaped leg post support is included on four rows
Portion's stiff skeleton column, often arranges angle ∠ 13, ∠ 14, ∠ 15, the ∠ 16 of top stiff skeleton column and horizontal plane from left to right
It is followed successively by：59.84 degree, 64.84 degree, 74.84 degree, 84.84 degree.
(2) the absolute altitude highest point and lowest part at the top of top stiff skeleton 3 supported in described special-shaped leg post are welded respectively
Connect positioning limit plate 12；
(3) in the described perisporium installation form of top stiff skeleton 3, and from top stiff skeleton bottom pouring concrete to
The following position in the top of top stiff skeleton 3.
Spelled Step 2: being tiled first on the concrete work face through overcure as upper box 1 and lower box 2 on ground
The platform steel plate of the platform of dress.Then splicing, the casing of lower box of lower box bottom plate are carried out respectively on platform steel plate again
The casing of assembled and upper box is assembled；
Wherein the bottom plate of lower box 2 be made up of the docking of two pieces of bottom plates and lower box 8 length of bottom plate >=9m, described
Multiple blanking holes and up and down manhole are provided with the bottom plate 8 of lower box.The splicing of two pieces of bottom plates of described lower box 2 is:
(1) according to two pieces of base plate size unwrapping wire of lower box on described platform steel plate, then by two pieces of lower box
Bottom plate 8 is placed on the unwrapping wire position of platform steel plate, then is welded on the length direction of two pieces of bottom plates 8, and specific method is：
(a) welding contracted quantity is reserved and in the thickness direction arch rise left in advance of weld seam in the width of weld seam；(b) to weld seam two before welding
Two pieces of bottom plates preheating of the lower box of side；(c) start to be arranged symmetrically to use to both sides along the centre position in fusion length direction to divide
Section back welding, every section is arranged in the range of 0.5-1m, to avoid fusion length direction from having moderate finite deformation, while weld seam is integrally used
Small welding bead, the welding method of multilayer multiple tracks, to avoid having larger deformation on weld width direction, (small welding bead, multilayer multiple tracks
Welding method i.e. after the completion of the backing welding of front, steel plate integrally overturns to back chipping, welding, reverse side bottoming completes to overturn again,
Upset starts deformation then reverse welding another side weld seam until completing certain face in whole piece weld seam, welding process repeatedly) (d) postwelding pair
Weld seam is incubated, to ensure the Forming Quality of slab weld seam；
(2) diagonal of the bottom plate 8 of the lower box 2 after docking is measured, two diagonal of the bottom plate 8 of lower box
Length variation≤± 2 millimeter.
(3) each two are set on 4 suspension centres, every diagonal on the base plate plane of lower box, and hanger is oriented parallel to
Diagonal.Lower box bottom plate is hung to the top for rising to described top stiff skeleton 3 and is stuck in positioning limit plate 12, is prevented down
Box bottom glides；
(4) casting concrete is continued on the concrete that top stiff skeleton is poured to the top of top stiff skeleton 3；
Wherein, the casing assembly of progress lower box 2 and identical, the described lower box 2 of the casing assembling method of upper box 1
Casing and the casing of upper box 1 constituted by three pieces of casings, the assembled process of casing of described lower box 2 is：
(1) top plate 10 of the first casing 6 of lower box 2 is placed on installation on ground platform as the first casing 6 and welds use
Bottom plate, to ensure welding quality.Then first of longitudinal vertical plate 11 is first welded on described top plate 10, then it is vertical in described indulging
Perpendicular separation welds multiple rows of transverse vertical plate 9 on plate 11, then welds adjacent second in the other end of described multiple rows of transverse vertical plate 9
Longitudinal vertical plate, repeats above step until the welding for completing the first casing 6 is assembled.
(2) step (1) for repeating the assembled process of lower box 2 is respectively completed the spelling of the second casing 5 and the 3rd casing 7
Dress；
(3) the first casing 6 is hung to the centre position for the plate top surface for rising to described lower box, and the first casing 6
The bottom plate of longitudinal vertical plate, transverse vertical plate respectively with lower box 2 is weldingly connected.Again in the same way 7 points of the second casing 5 and the 3rd casing
Do not lift to the both sides of the first casing 6, and longitudinal vertical plate the second casing 5 and the 3rd casing 7, transverse vertical plate respectively with lower box
Bottom plate be weldingly connected, then be connected the top plate welding between the first casing 6, the second casing 5 and the 3rd casing 7 is assembled；
(4) casing that the step of repeating the casing assembly process of described lower box (1)-(2) complete upper box is assembled；So
The step of repeating the casing assembly process of described lower box afterwards (3), which hangs each casing of upper box, rises to described lower box
Welded on top plate.
Step 3: pouring into a mould concrete in lower box 2 and upper box 1, to be cast to finish, concrete strength reaches 100%
The preformed hole on upper box top plate is blocked with steel plate afterwards.
Embodiment 1
Step 1: carrying out the installation of support；
(1) special-shaped leg post support is built, the top stiff skeleton 3 of special-shaped leg post support is vertical including four row top stiff skeletons
Post, often angle ∠ 13, ∠ 14, ∠ 15, the ∠ 16 of row's top stiff skeleton column and horizontal plane are followed successively by from left to right：59.84
Degree, 64.84 degree, 74.84 degree, 84.84 degree.
(2) the absolute altitude highest point and lowest part at the top of top stiff skeleton 3 supported in described special-shaped leg post are welded respectively
Connect positioning limit plate 12；
(3) in the described perisporium installation form of top stiff skeleton 3, and from top stiff skeleton bottom pouring concrete to
The following position in the top of top stiff skeleton 3.
Spelled Step 2: being tiled first on the concrete work face through overcure as upper box 1 and lower box 2 on ground
The platform steel plate of the platform of dress.Then splicing, the casing of lower box of lower box bottom plate are carried out respectively on platform steel plate again
The casing of assembled and upper box is assembled；
Wherein the bottom plate of lower box 2 be made up of the docking of two pieces of bottom plates and lower box 8 length of bottom plate >=9m, described
Multiple blanking holes and up and down manhole are provided with the bottom plate 8 of lower box.The splicing of two pieces of bottom plates of described lower box 2 is:
(1) according to two pieces of base plate size unwrapping wire of lower box on described platform steel plate, then by two pieces of lower box
Bottom plate 8 is placed on the unwrapping wire position of platform steel plate, then is welded on the length direction of two pieces of bottom plates 8, and specific method is：
(a) welding contracted quantity is reserved and in the thickness direction arch rise left in advance of weld seam in the width of weld seam；(b) to weld seam two before welding
Two pieces of bottom plates preheating of the lower box of side；(c) start to be arranged symmetrically to use to both sides along the centre position in fusion length direction to divide
Section back welding, every section is arranged in the range of 0.5-1m, to avoid fusion length direction from having moderate finite deformation, while weld seam is integrally used
Small welding bead, the welding method of multilayer multiple tracks, to avoid having larger deformation on weld width direction, (small welding bead, multilayer multiple tracks
Welding method i.e. after the completion of the backing welding of front, steel plate integrally overturns to back chipping, welding, reverse side bottoming completes to overturn again,
Upset starts deformation then reverse welding another side weld seam until completing certain face in whole piece weld seam, welding process repeatedly) (d) postwelding pair
Weld seam is incubated, to ensure the Forming Quality of slab weld seam；
(2) diagonal of the bottom plate 8 of the lower box 2 after docking is measured, two diagonal of the bottom plate 8 of lower box
Length variation≤± 2 millimeter.
(3) each two are set on 4 suspension centres, every diagonal on the base plate plane of lower box 2, and hanger is oriented parallel to
Diagonal.The bottom plate of lower box 2 is hung to the top for rising to described top stiff skeleton 3 and is stuck in positioning limit plate 12, is prevented
Lower box bottom plate glides；
(4) casting concrete is continued on the concrete that top stiff skeleton is poured to the top of top stiff skeleton 3；
Wherein, the casing assembly of progress lower box 2 and identical, the described lower box 2 of the casing assembling method of upper box 1
Casing and the casing of upper box 1 constituted by three pieces of casings, the assembled process of casing of described lower box 2 is：
(1) top plate 10 of the first casing 6 of lower box 2 is placed on installation on ground platform as the first casing 6 and welds use
Bottom plate, to ensure welding quality.Then first of longitudinal vertical plate 11 is first welded on described top plate 10, then it is vertical in described indulging
Perpendicular separation welds multiple rows of transverse vertical plate 9 on plate 11, then welds adjacent second in the other end of described multiple rows of transverse vertical plate 9
Longitudinal vertical plate, repeats above step until the welding for completing the first casing 6 is assembled.
(2) step (1) for repeating the assembled process of lower box 2 is respectively completed the spelling of the second casing 5 and the 3rd casing 7
Dress；
(3) the first casing 6 is hung to the centre position for the plate top surface for rising to described lower box, and the first casing 6
Longitudinal vertical plate, transverse vertical plate are weldingly connected with the bottom plate of lower box respectively.Again in the same way 7 points of the second casing 5 and the 3rd casing
Do not lift to the both sides of the first casing 6, and longitudinal vertical plate the second casing 5 and the 3rd casing 7, transverse vertical plate respectively with lower box
Bottom plate be weldingly connected, then be connected the top plate welding between the first casing 6, the second casing 5 and the 3rd casing 7 is assembled；
(4) casing that the step of repeating the casing assembly process of described lower box (1)-(2) complete upper box is assembled；So
The step of repeating the casing assembly process of described lower box afterwards (3), which hangs each casing of upper box 1, rises to described lower box 2
Top plate on both is weldingly connected.
Step 3: pouring into a mould concrete in lower box 2 and upper box 1, to be cast to finish, concrete strength reaches 100%
The preformed hole on upper box top plate is blocked with steel plate afterwards.
Patent of the present invention point junior unit assembly welding, reduces overall accumulated deformation, the application of backstep sequence is improved
Fusion length Direction distortion.The welding procedure of symmetrical welding and positive and negative alternate ensure that the vertical of riser, anti-deformation it is reserved,
Reduce the angular deformation because of caused by weld contraction.Spell backward method and the overhead welding welding of top plate is changed into downhand welding welding, reduce weldering
Connect difficulty, it is easier to which welding quality is controlled.Using multi-layer multi-pass welding method and postwelding stress relieving, the remnants of weld seam are reduced
Stress.Point junior unit is assembled, then assembly welding, effectively prevent that the local stiffness caused by integral assembling is excessive, stress excessively
Concentrate brought hidden danger of quality.
Claims (1)
1. a kind of multi-angle gross ton position casing construction method of installation, it is characterised in that it comprises the following steps：
Step 1: carrying out the installation of support；
(1) special-shaped leg post support is built；
(2) positioning is respectively welded in the absolute altitude highest point and lowest part at the top of the top stiff skeleton that described special-shaped leg post is supported
Limiting plate；
(3) in described top stiff skeleton perisporium installation form, and from top stiff skeleton bottom pouring concrete to top
Following position at the top of stiff skeleton；
Step 2: being tiled first on the concrete work face through overcure as upper box and lower box in installation on ground
The platform steel plate of platform, then carried out respectively on platform steel plate again the splicing of lower box bottom plate, lower box casing it is assembled with
And the casing of upper box is assembled；
Wherein the bottom plate of lower box be made up of the docking of two pieces of bottom plates and lower box floor length >=9m, in described lower box
Bottom plate on be provided with multiple blanking holes and up and down manhole, the splicing of two pieces of bottom plates of described lower box is:
(1) according to two pieces of base plate size unwrapping wire of lower box on described platform steel plate, then by two pieces of bottom plates of lower box
The unwrapping wire position of platform steel plate is placed on, then is welded on the length direction of two pieces of bottom plates, specific method is：(a) in weldering
The width of seam reserves welding contracted quantity and in the thickness direction arch rise left in advance of weld seam；(b) under weld seam both sides before welding
Two pieces of bottom plates preheating of casing；(c) start to be arranged symmetrically to both sides along the centre position in fusion length direction and use backstep
Method, every section is arranged in the range of 0.5-1m, while weld seam integrally uses small welding bead, the welding method of multilayer multiple tracks；(d) postwelding pair
Weld seam is incubated；
(2) diagonal of the bottom plate of the lower box after docking is measured, two cornerwise length of the bottom plate of lower box
Deviation≤± 2 millimeter；
(3) each two are set on 4 suspension centres, every diagonal on the base plate plane of lower box, and hanger is oriented parallel to diagonally
Line, lower box bottom plate is hung the top for rising to described top stiff skeleton and is stuck in positioning limit plate；
(4) continue on the concrete that top stiff skeleton is poured at the top of casting concrete to top stiff skeleton；
Wherein, the casing for carrying out lower box is assembled and casing assembling method of upper box is identical, the casing of described lower box
Constituted with the casing of upper box by three pieces of casings, the assembled process of casing of described lower box is：
(1) top plate of the first casing of lower box is placed on installation on ground platform as the first welding box body bottom plate, then
First of longitudinal vertical plate is first welded on described top plate, then perpendicular separation welds multiple rows of transverse vertical plate on described longitudinal vertical plate, with
Adjacent second longitudinal vertical plate is welded in the other end of described multiple rows of transverse vertical plate afterwards, above step is repeated until completing the first case
The welding of body is assembled；
(2) step (1) for repeating the assembled process of lower box is respectively completed the assembly of the second casing and the 3rd casing；
(3) the first casing hangs to the centre position for the plate top surface for rising to described lower box, and longitudinal vertical plate the first casing,
Transverse vertical plate is weldingly connected with the bottom plate of lower box respectively；The second casing and the 3rd casing are lifted to respectively in the same way again
The both sides of one casing, and the bottom plate of longitudinal vertical plate the second casing and the 3rd casing, transverse vertical plate respectively with lower box welds phase
Even, it is finally again that the top plate welding between the first casing, the second casing and the 3rd casing is assembled connected；
(4) casing that the step of repeating the casing assembly process of described lower box (1)-(2) complete upper box is assembled；Then weigh
The step of casing assembly process of multiple described lower box (3), hangs each casing of upper box on the top plate for rising to described lower box
It is upper to be welded；
Step 3: in lower box and top box internal casting concrete, to be cast to finish, concrete strength uses steel after reaching 100%
Plate is blocked the preformed hole on upper box top plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511026886.8A CN105442856B (en) | 2015-12-29 | 2015-12-29 | A kind of multi-angle gross ton position casing construction method of installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026886.8A CN105442856B (en) | 2015-12-29 | 2015-12-29 | A kind of multi-angle gross ton position casing construction method of installation |
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| CN105442856A CN105442856A (en) | 2016-03-30 |
| CN105442856B true CN105442856B (en) | 2017-07-25 |
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| CN111561127A (en) * | 2020-06-22 | 2020-08-21 | 中铁宝桥集团有限公司 | Steel box arch segment and assembling method thereof |
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| JP3057466B2 (en) * | 1993-11-11 | 2000-06-26 | 株式会社竹中工務店 | How to build underground structures |
| CN103556567B (en) * | 2013-11-19 | 2015-09-16 | 中铁第四勘察设计院集团有限公司 | Double four battered leg steel work transom piers |
| CN204343701U (en) * | 2014-11-20 | 2015-05-20 | 中建六局土木工程有限公司 | A kind of special-shaped leg post supports installation structure |
| CN104314316B (en) * | 2014-11-20 | 2016-05-11 | 中建六局土木工程有限公司 | A kind of special-shaped leg post supports construction method of installation |
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