CN107354872A - A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure and construction method - Google Patents

A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure and construction method Download PDF

Info

Publication number
CN107354872A
CN107354872A CN201710703576.8A CN201710703576A CN107354872A CN 107354872 A CN107354872 A CN 107354872A CN 201710703576 A CN201710703576 A CN 201710703576A CN 107354872 A CN107354872 A CN 107354872A
Authority
CN
China
Prior art keywords
slab
faulting
box girder
fish
compensation
Prior art date
Application number
CN201710703576.8A
Other languages
Chinese (zh)
Other versions
CN107354872B (en
Inventor
徐攀
殷滇
张德松
龚俊
梁启佳
Original Assignee
中国冶集团有限公司
中国一冶集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国冶集团有限公司, 中国一冶集团有限公司 filed Critical 中国冶集团有限公司
Priority to CN201710703576.8A priority Critical patent/CN107354872B/en
Publication of CN107354872A publication Critical patent/CN107354872A/en
Application granted granted Critical
Publication of CN107354872B publication Critical patent/CN107354872B/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/04Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type

Abstract

The invention discloses a kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure, including box girder segment and bottom steel form, faulting of slab ends opening position between the box girder segment and bottom steel form is provided with the faulting of slab ends compensation that veneer laying forms, the faulting of slab ends compensation is fixed on steel form by rivet, faulting of slab ends compensation top is laid with atomized ash, to cause faulting of slab ends compensation to reach the effect of original template arc curve.And also disclose corresponding construction method.Whole invention is solved between each section of variable cross-section fish-bellied type cast-in-situ box girder due to faulting of slab ends caused by prestressed stretch-draw, speed of application is fast, and cost is low, compared with the construction method of traditional post-processing faulting of slab ends position, the characteristics of invention is more practical, and improve the impression quality of construction.

Description

A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure and construction method

Technical field

The invention belongs to Bridge Construction technical field, and it is wrong especially to relate to a kind of variable cross-section fish-bellied type cast-in-situ box girder concrete Platform control structure and construction method.

Background technology

In recent years, with the fast development of building trade, requirement more and more higher of the Urban Bridge to landscape, design use more Fish-belly box beam, fish-belly box beam bridge have the characteristics of handsome in appearance, meet bridge Aesthetics Design, common fish-belly continuous box beam Mostly uiform section, template is assembled more regular in box girder construction, and moulding and the knot of curved variable cross-section fish-bellied type steel box-girder Configuration formula is complicated, and new challenge is brought to construction.Curved variable cross-section fish-bellied type Steel Continuous Box beam in each segmental construction, due to Prestressed stretch-draw cause the first construction section and second construct segmental construction seam position formed faulting of slab ends phenomenon, surface impression quality compared with Difference.Generally conventional method is to treat to carry out incrustation processing after the completion of box girder construction, and so processing is due to work high above the ground being present Difficulty is larger, and quality can not ensure, and processing cost is also higher, if so using traditional construction technology it is difficult to ensure that applying The overall fluency of working medium amount and Landscape Bridge outward appearance, and difficulty of construction increase can also greatly prolong the duration.

The content of the invention

The present invention is aiming at the deficiencies in the prior art, there is provided a kind of constructing operation is convenient, operating efficiency is high and constructs The low variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure of cost and construction method.

To achieve these goals, a kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends preventing and treating designed by the present invention Structure, it is characterized in that:Including box girder segment and bottom steel form, the mistake between the box girder segment and bottom steel form Platform opening position is provided with the faulting of slab ends compensation that veneer laying forms, and the faulting of slab ends compensation is fixed on steel form by rivet, wrong Platform compensation top is laid with atomized ash, to cause faulting of slab ends compensation to reach the effect of original template arc curve.

Further, consolidating in order to ensure veneer, the faulting of slab ends compensation top are provided with pad.Pad rigidity reaches Requirement, typically use common stainless steel pad.

Further, the rivet is self-plugging rivet.Self-plugging rivet is easy to operate, efficiency high, can effectively close during construction Hole is firm suitable for high intensity connecting portion, installation.

Further, the veneer plate thickness is no more than 5mm.

A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure of the present invention is integrally fairly simple, operability By force, speed of application is fast, and cost is low, and resistance to overturning is good, and shaping impression quality is good.

In order to further realize the structure of the present invention, present invention also offers a kind of variable cross-section fish-bellied type cast-in-situ box girder to mix The construction method of native faulting of slab ends control structure is coagulated, it is characterized in that:Comprise the following steps:

Gather faulting of slab ends deviation data:The deviation data of measurement collection box girder segment faulting of slab ends position;

Design faulting of slab ends compensation:Thickness, area and the installation site of each section veneer are designed according to the faulting of slab ends deviation data of collection, And the specification of rivet is selected, and mark the corresponding mounting hole site of rivet on veneer and bottom steel form;

In-site measurement setting-out:In-site measurement setting-out is carried out to veneer Board position according to design, steel form subscript is remembered in bottom Clear point position and absolute altitude, the debris cleared up on the steel form of bottom, prepare installation veneer;

Faulting of slab ends compensation is installed:Veneer is mated formation from level to level according to faulting of slab ends deviation data and setting-out position, during laying from lower to Eminence pavement layer by layer;Rivet mounting hole site setting-out is carried out after the completion of being laid in each region, according to rivet mounting hole site to thin Plank, bottom steel form are drilled, and veneer is fixed on the steel form of bottom with rivet;

Faulting of slab ends position is filled up:Fill up wiping one's face using atomized ash at the top of the faulting of slab ends compensation that veneer is formed, and brushing punching block Plate parting agent special;, after atomized ash is wiped one's face, need to be polished, it is ensured that surface is smooth, then brushing steel form parting agent special.

Then box girder segment is poured, reconnects next box girder segment and carry out faulting of slab ends compensation by above step.

Further, the faulting of slab ends compensation top is provided with pad.

Further, the rivet uses self-plugging rivet.

Preferably, the deviation data of faulting of slab ends position is measured using total powerstation and slide calliper rule;Veneer in-site measurement setting-out Shi Caiyong total powerstations and spirit level measure.

Preferably, typically it is designed when designing faulting of slab ends compensation using mapping software.

The advantage of the invention is that:

The present invention is solved between each section of variable cross-section fish-bellied type cast-in-situ box girder because faulting of slab ends caused by prestressed stretch-draw, utilization are thin Plank carries out laying and reduces faulting of slab ends height, and plank substitution steel plate is easier execute-in-place, and does not destroy punching block surface template paint, Veneer is fixed using rivet, it is simple to operate, construction quality is easier to ensure that compared to welding, upper surface is carried out using atomized ash Levelling, easy for construction, surface is smooth to reach Forming Quality, it is not necessary to brushing template paint.Whole method speed of application is fast, cost It is low, compared with the construction method of traditional post-processing faulting of slab ends position, the characteristics of invention is more practical, and improve construction Impression quality.

Brief description of the drawings

Fig. 1 is box girder segment horizontal cross-section structure diagram of the present invention.

Fig. 2 is box girder segment longitudinal profile structure schematic of the present invention.

Fig. 3 is box girder segment horizontal section faulting of slab ends treatment site structural representation in the present invention.

Fig. 4 is box girder segment longitudinal profile faulting of slab ends treatment site of the present invention structural representation.

Fig. 5 is structural representation at the faulting of slab ends compensation of the present invention.

The faulting of slab ends that Fig. 6 is the present invention compensates part-structure enlarged diagram

Fig. 7 is the rivet gasket construction schematic diagram of the present invention.

Fig. 8 is gasket construction schematic diagram.

In figure:Box girder segment 1, bottom steel form 2, faulting of slab ends position 3, faulting of slab ends compensation 4, atomized ash 5, pad 6, rivet 7.

Embodiment

The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:

Variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure shown in figure, including box girder segment 1 and bottom punching block Plate 2, the faulting of slab ends compensation 4 that veneer laying forms is provided with the faulting of slab ends position 3 between box girder segment 1 and bottom steel form 2, it is wrong Platform compensation 4 is fixed on bottom steel form 2 by rivet 5, and the top of faulting of slab ends compensation 4 is laid with atomized ash 5, to cause faulting of slab ends to compensate 4 reach the effect of original template arc curve.In order to ensure the firm of veneer, the top of faulting of slab ends compensation 4 is provided with pad 6, padded Piece rigidity reaches requirement, typically uses common stainless steel pad.Rivet is self-plugging rivet, self-plugging rivet operation side Just, efficiency high, during construction can effective cap holes, it is firm suitable for high intensity connecting portion, installation.

The construction method of above-mentioned variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure, comprises the following steps:

1st, first then scene is combined using mapping software using total powerstation and the deviation data of kind of calliper collection faulting of slab ends position The data of measurement carry out faulting of slab ends situation template Compensation Design, design thickness and size that each section veneer uses, and The specification of rivet is selected, and it is self-plugging rivet to design the rivet used here, only need to design corresponding model sheetinstallat hole position Use, the position coordinates mark that design installs detailed hole position and veneer is clear, is used for surveyor's setting-out.

Veneer plate thickness is selected typically according to following standard:One is to try to reduce the plank number of plies, prevents that contraction distortion is big, and two The flexibility of plank is to ensure that, is unlikely to rigidity and is difficult to lay greatly.Based on above-mentioned standard, typically thickness is selected not in practice of construction Veneer more than 5mm.

2nd, setting-out is measured according to design, measurement mainly uses total powerstation and spirit level according to design to thin Plank position carries out setting-out, and Chu Dianwei and absolute altitude are remembered in punching block subscript, the debris then cleaned out on punching block, prepares installation Veneer.

3rd, veneer is installed according to setting-out position, plank thickness and size determine according to deviation data, according to setting-out position Veneer is mated formation from level to level, it is not necessary to is hoisted by lower using adhesive, during laying and successively carried out, waits to lay a region Afterwards, hole position setting-out is fixed, plank, punching block drilling are carried out according to hole point position, aperture should combine the rivet specification used and enter Row determines.

4th, proceed by rivet after hole position is drilled to fix, to ensure that veneer is effectively fixed, veneer fixing end need to add Shim liner, together it is fixed on punching block, it is ensured that veneer consolidates.

5th, because whole box beam is variable cross-section fish-belly box beam, profile height is different, and the sizes of faulting of slab ends data is not yet Identical, so the discrepancy in elevation of the veneer formed stepwise of installation, to reach using effect, faulting of slab ends potential pressure is using former Sub- ash fill up wiping one's face, and so as to reach original template arc curve effect, surface does not need brushing template paint to ensure to mix Coagulate native impression quality.After atomized ash is wiped one's face, it need to be polished, it is ensured that surface is smooth, then brushing steel form parting agent special.

After completing above step, box girder segment is poured, next box girder segment is reconnected and is carried out by above step Faulting of slab ends compensates.

The present invention is solved between each section of variable cross-section fish-bellied type cast-in-situ box girder due to faulting of slab ends caused by prestressed stretch-draw, profit Laying is carried out with veneer and reduces faulting of slab ends height, and plank substitution steel plate is easier execute-in-place, and does not destroy punching block surface modes Plate paint, veneer is fixed using rivet, it is simple to operate, construction quality is easier to ensure that compared to welding, upper surface utilizes atom Ash progress is levelling, and different from the later stage work high above the ground mode of traditional approach, the present invention is easy for construction, and surface is smooth to reach shaping matter Amount, it is not necessary to brushing template paint.The present invention in work progress carry out, it is necessary to material it is simpler, operation it is more convenient, Substantially the duration can be followed to carry out, compared with the construction method of traditional post-processing faulting of slab ends position, the work for alleviating worker is strong Degree and time, whole design and method speed of application are fast, and cost is low, practical and convenient, and improves the impression quality of construction.

Claims (9)

  1. A kind of 1. variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure, it is characterised in that:Including box girder segment and bottom Portion's steel form, the faulting of slab ends opening position between the box girder segment and bottom steel form are provided with the faulting of slab ends that veneer laying forms and mended Repay, the faulting of slab ends compensation is fixed on steel form by rivet, and faulting of slab ends compensation top is laid with atomized ash, to cause faulting of slab ends to compensate Reach the effect of original template arc curve.
  2. 2. variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to claim 1, it is characterised in that:Institute State faulting of slab ends compensation top and be provided with pad.
  3. 3. variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to claim 1, it is characterised in that:Institute It is self-plugging rivet to state rivet.
  4. 4. variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to claim 1, it is characterised in that:Institute State veneer plate thickness and be no more than 5mm.
  5. It is 5. a kind of such as variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to any one of claims 1 to 4 Construction method, it is characterised in that comprise the following steps:
    Gather faulting of slab ends deviation data:The deviation data of measurement collection box girder segment faulting of slab ends position;
    Design faulting of slab ends compensation:Thickness, area and the installation site of each section veneer are designed according to the faulting of slab ends deviation data of collection, And the specification of rivet is selected, and mark the corresponding mounting hole site of rivet on veneer and bottom steel form;
    In-site measurement setting-out:In-site measurement setting-out is carried out to veneer Board position according to design, steel form subscript is remembered in bottom Clear point position and absolute altitude, the debris cleared up on the steel form of bottom, prepare installation veneer;
    Faulting of slab ends compensation is installed:Veneer is mated formation from level to level according to faulting of slab ends deviation data and setting-out position, during laying from lower to Eminence pavement layer by layer;Rivet mounting hole site setting-out is carried out after the completion of being laid in each region, according to rivet mounting hole site to thin Plank, bottom steel form are drilled, and veneer is fixed on the steel form of bottom with rivet;
    Faulting of slab ends position is filled up:Fill up wiping one's face using atomized ash at the top of the faulting of slab ends compensation that veneer is formed, and brushing punching block Plate parting agent special;
    Then box girder segment is poured, reconnects next box girder segment and carry out faulting of slab ends compensation by above step.
  6. 6. the construction method of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to claim 5, its It is characterised by:The faulting of slab ends compensation top is provided with pad.
  7. 7. the construction method of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to claim 5, its It is characterised by:The rivet uses self-plugging rivet.
  8. 8. the construction method of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to claim 5, its It is characterised by:The deviation data of faulting of slab ends position is measured using total powerstation and slide calliper rule;Used during veneer in-site measurement setting-out Total powerstation and spirit level measure.
  9. 9. the construction method of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure according to claim 5, its It is characterised by:Typically it is designed during design faulting of slab ends compensation using mapping software.
CN201710703576.8A 2017-08-16 2017-08-16 A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure and construction method CN107354872B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710703576.8A CN107354872B (en) 2017-08-16 2017-08-16 A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure and construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710703576.8A CN107354872B (en) 2017-08-16 2017-08-16 A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure and construction method

Publications (2)

Publication Number Publication Date
CN107354872A true CN107354872A (en) 2017-11-17
CN107354872B CN107354872B (en) 2018-10-23

Family

ID=60287099

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710703576.8A CN107354872B (en) 2017-08-16 2017-08-16 A kind of variable cross-section fish-bellied type cast-in-situ box girder concrete faulting of slab ends control structure and construction method

Country Status (1)

Country Link
CN (1) CN107354872B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108867401A (en) * 2018-08-28 2018-11-23 佛山市粤优创钢结构有限公司 Bridge concrete faulting of slab ends modification method
CN110735400A (en) * 2019-10-22 2020-01-31 中国一冶集团有限公司 Protection mechanism and protection construction method for special-shaped structures

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1488814A (en) * 2003-08-05 2004-04-14 邓敬森 Rapid repair construction method of concrete panel sunken platform for expressway
KR100899713B1 (en) * 2008-09-23 2009-05-28 최지영 Bridge structure of steel composite girder using precast arch-deck, and constructing method thereof
CN103899088A (en) * 2014-04-22 2014-07-02 中建八局第三建设有限公司 Construction method for large-span ultra-thin ultra-long cast-in-situ bare concrete plank
CN105714684A (en) * 2016-02-24 2016-06-29 中国一冶集团有限公司 Prestressed concrete variable cross-section fish-bellied type continuous box girder construction method
CN205477651U (en) * 2016-03-21 2016-08-17 长安大学 Wrong platform disease punishment structure of shield tunnel
CN206109962U (en) * 2016-09-30 2017-04-19 安徽省公路桥梁工程有限公司 Cast -in -place fish belly formula case boom support

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1488814A (en) * 2003-08-05 2004-04-14 邓敬森 Rapid repair construction method of concrete panel sunken platform for expressway
KR100899713B1 (en) * 2008-09-23 2009-05-28 최지영 Bridge structure of steel composite girder using precast arch-deck, and constructing method thereof
CN103899088A (en) * 2014-04-22 2014-07-02 中建八局第三建设有限公司 Construction method for large-span ultra-thin ultra-long cast-in-situ bare concrete plank
CN105714684A (en) * 2016-02-24 2016-06-29 中国一冶集团有限公司 Prestressed concrete variable cross-section fish-bellied type continuous box girder construction method
CN205477651U (en) * 2016-03-21 2016-08-17 长安大学 Wrong platform disease punishment structure of shield tunnel
CN206109962U (en) * 2016-09-30 2017-04-19 安徽省公路桥梁工程有限公司 Cast -in -place fish belly formula case boom support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108867401A (en) * 2018-08-28 2018-11-23 佛山市粤优创钢结构有限公司 Bridge concrete faulting of slab ends modification method
CN110735400A (en) * 2019-10-22 2020-01-31 中国一冶集团有限公司 Protection mechanism and protection construction method for special-shaped structures

Also Published As

Publication number Publication date
CN107354872B (en) 2018-10-23

Similar Documents

Publication Publication Date Title
CN106978843B (en) Municipal drainage pipeline construction technology
CN103266767B (en) Construction method for preventing and treating cracks between concrete structure and filler wall
CN103469815B (en) A kind of reinforced concrete retaining wall slope protection construction method
CN101476382B (en) Construction method for large area concrete terrace angle steel corner protector dividing joint
CN104746884B (en) Method for hoisting prefabricated parts of assembled building
CN102943565B (en) Construction method of large-sized arc-shaped wall
CN104612698A (en) Method for constructing upper step middle partition wall of shallow-buried excavation tunnel
CN105604343A (en) Construction method for reinforcing and repairing integral wall of ancient architecture
CN1932244A (en) Construction method for double-circular shield near-distance passing through building or structure
CN102352589B (en) Construction method for road base concrete side mold
CN103343655B (en) Wall window construction method
CN205934593U (en) Assemble board -like track structure
CN104213565B (en) A kind of formwork system that is applicable to large-scale deep trouth hole sty bed course and formwork thereof water smashes construction method
CN106894445B (en) One kind assembling superposed type pipe gallery and its method of construction
CN103321442A (en) Self-compensating repair structure and process for internal stress cracking of inner wall heat insulating wall surface
CN105587102B (en) A kind of wet construction method to the wet type high abrasion terrace that paves
CN104712085A (en) Large-area wear-resistant concrete ground construction method
CN206486820U (en) Repair fixing device in a kind of road and bridge crack
CN201588207U (en) Concreting device at construction joints
CN106225707A (en) A kind of method for the deformation of fast monitored high CFRD extrusion side wall
CN106638696A (en) Installation and construction method for anti-settling manhole cover
CN102758451A (en) Concrete cable channel construction process
CN103866669B (en) The preparation method that a kind of surface different colours or material aggregate realize the cement permeable concrete ground structure of fade effect
CN107190844A (en) The waterproof and water drainage system and construction method of a kind of basement bottom board and exterior wall
Wang et al. Complex variable solutions for tunneling-induced ground movement

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant