CN102912728B - Method for filling non-tight-contact parts of steel-concrete composite beams through rear grouting and filling structure - Google Patents
Method for filling non-tight-contact parts of steel-concrete composite beams through rear grouting and filling structure Download PDFInfo
- Publication number
- CN102912728B CN102912728B CN201210396405.2A CN201210396405A CN102912728B CN 102912728 B CN102912728 B CN 102912728B CN 201210396405 A CN201210396405 A CN 201210396405A CN 102912728 B CN102912728 B CN 102912728B
- Authority
- CN
- China
- Prior art keywords
- bridge deck
- grout
- grouting
- reserved
- precast concrete
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a method for filling non-tight-contact parts of steel-concrete composite beams through rear grouting and a filling structure. The method comprises the following steps: 1, arranging grouting areas and reserved late poured areas on a top plate of a steel beam at a certain interval; 2, arranging a grouting pipe between adjacent two grouting areas, and respectively arranging a paste inlet pipe and a paste outlet pipe on the outermost two grouting areas; 3, hoisting precast concrete bridge deck slabs; 4, pouring the reserved late poured areas; and 5, filling cement paste into the paste inlet pipe until the cement paste flows out of the paste outlet pipe, and tightly plugging the mouths of the paste inlet pipe and the paste outlet pipe by using wooden plugs, so that after the cement paste is solidified in each grouting area, an operation of filling non-tight-contact parts of steel-concrete composite beams is completed. According to the invention, non-tight-contact parts of a steel beam contacted with a bridge deck slab are filled through using a rear grouting technique and setting grouting areas, so that the complete combination of the steel beam and the bridge deck slab is realized, the top plate of the steel beam is completely wrapped for corrosion protection, and a vertical load exerted on the bridge deck slab is uniformly transferred to the top plate of the steel plate through close-grained paste.
Description
Technical field
The present invention relates to technical field of bridge construction, be specifically related to a kind of steel reinforced concrete bondbeam not closely connected position post-grouting and enrich method and substantial structure.
Technical background
In bridge construction field, steel reinforced concrete bondbeam combines the advantage of girder steel and concrete beam preferably, tension, anti-bending strength and the concrete compressive property of steel are not only given full play to, the simultaneously combination of bituminous concrete and concrete slab has better ensured bridge deck quality, and steel reinforced concrete bondbeam also has excellent earthquake resistance, from heavy and light, the feature such as quick and convenient of constructing.Steel reinforced concrete bondbeam structure applications is increasingly extensive.
The form of structure contacting with bridge deck " face-face " for girder steel top flange top board, girder steel and bridge deck are combined into overall method: after bridge deck are in place, reserved back pouring hole concrete on cast in situs bridge deck, builds the WELDING STUDS on girder steel top board wherein.When bridge deck are installed, the periphery of reserved back pouring hole and girder steel roof perimeter all need to stick rubber strip and make bridge deck can steadily drop on girder steel top board and sealing back pouring hole surrounding forms rear pouring concrete side form.Except cast-in-place hole, the region that rubber strip surrounds is the not closely connected white space of beam and plate, has caused like this bridge deck and girder steel top board to depart from, and has both been unfavorable for the anticorrosion of girder steel top plate portion, is unfavorable for again bridge floor load going down.
Summary of the invention
The object of the invention is for above-mentioned technical problem, provide a kind of steel reinforced concrete bondbeam not closely connected position post-grouting to enrich method and substantial structure, the method and structure can make girder steel realize completely and being combined with bondbeam.
For realizing this object, method is enriched in the designed steel reinforced concrete bondbeam not closely connected position post-grouting of the present invention, and it comprises the steps:
Step 1: on girder steel top board left and right edges, longitudinal rubber strip is set respectively, between described two longitudinal rubber strips, many transverse rubber bars are evenly set, described two longitudinal rubber strips and many transverse rubber bars surround multiple grout compartments and reserved Hou Jiao district, and described grout compartment and reserved Hou Jiao district are arranged alternately;
Step 2: above-mentioned multiple grout compartments are interconnected by grout pipe is set successively, are positioned on outermost two grout compartments and are also respectively equipped with inlet pipe and outlet pipe;
Step 3: hoisting prefabricated concrete slab, precast concrete bridge deck are arranged on longitudinal rubber strip and transverse rubber bar, the support zone of precast concrete bridge deck is in the top of grout compartment;
Step 4: after precast concrete bridge deck have lifted, build reserved Hou Jiao district, be combined by the concrete that is cast in reserved Hou Jiao district between girder steel top board and the support portion of precast concrete bridge deck;
Step 5: pour into cement paste to inlet pipe, until outlet pipe flows out cement paste, with the mouth of pipe of stopper jam-pack inlet pipe and outlet pipe, after cement paste solidifies in each grout compartment, cement paste enriches the gap of the support portion of grout compartment and precast concrete bridge deck, completes not enriching of closely connected position of steel reinforced concrete bondbeam.
In described step 5, first clear water is poured into from inlet pipe, clean grout compartment, after outlet pipe flows out clear water, then pour into cement paste in inlet pipe.
In described step 4, first in each reserved Hou Jiao district, multiple WELDING STUDS are set, then build.
In described step 5, the composition of cement paste is cement, water and grouting agent, and three kinds of composition proportion are 1:0.34:0.1.
In described step 2, the body of described grout pipe is through reserved Hou Jiao district.
Structure is enriched in the not closely connected position post-grouting of a kind of steel reinforced concrete bondbeam, it comprises precast concrete bridge deck and girder steel top board, it also comprises longitudinal rubber strip of being arranged on girder steel top board left and right edges, is evenly arranged on many transverse rubber bars between two longitudinal rubber strips, described two longitudinal rubber strips and many transverse rubber bars surround the multiple grout compartments and the reserved Hou Jiao district that are arranged alternately, described precast concrete bridge deck are arranged on longitudinal rubber strip and transverse rubber bar, wherein, the support zone of precast concrete bridge deck is in the top of grout compartment; Between above-mentioned girder steel top board and the support portion of precast concrete bridge deck, be combined by the concrete being cast in reserved Hou Jiao district; Enrich by cement paste is set in the gap of the support portion of described grout compartment and precast concrete bridge deck.
Described each reserved Hou Jiao arranges multiple WELDING STUDS in district.
Described multiple grout compartment is interconnected by grout pipe is set successively, is positioned on outermost two grout compartments and is also respectively equipped with inlet pipe and outlet pipe; Enrich the gap of the support portion of grout compartment and precast concrete bridge deck by pour into cement paste in inlet pipe.
The present invention arranges grout compartment by post-grouting technology enriches the not closely connected position of girder steel and bridge deck, realize the complete combination of girder steel and bridge deck, by girder steel top board all parcel carry out anticorrosionly, and the suffered vertical load of bridge deck is evenly delivered on girder steel top board by closely knit slurry.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 be in Fig. 1 A-A to section structure schematic diagram (in figure, WELDING STUDS is not shown);
Fig. 3 be in Fig. 2 B-B to section structure schematic diagram (in figure longitudinally rubber strip do not show);
Fig. 4 be in Fig. 3 C-C to section structure schematic diagram;
Wherein, 1-girder steel, 2-precast concrete bridge deck, 2.1-support portion, 3-girder steel top board, 4-reserved Hou Jiao district, 5-inlet pipe, 6-grout pipe, 7-longitudinally rubber strip, 8-outlet pipe, 9-WELDING STUDS, 10-grout compartment, 11-transverse rubber bar.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail:
Structure is enriched in steel reinforced concrete bondbeam not closely connected position post-grouting as shown in Fig. 1 ~ 4, it comprises precast concrete bridge deck 2 and girder steel top board 3, it also comprises the longitudinal rubber strip 7 being arranged on girder steel top board 3 left and right edges, evenly be arranged on many transverse rubber bars 11 between two longitudinal rubber strips 7, article two, longitudinal rubber strip 7 and many transverse rubber bars 11 surround the multiple grout compartments 10 and the reserved Hou Jiao district 4 that are arranged alternately, precast concrete bridge deck 2 are arranged on longitudinal rubber strip 7 and transverse rubber bar 11, wherein, the support portion 2.1 of precast concrete bridge deck 2 is positioned at the top of grout compartment 10, between above-mentioned girder steel top board 3 and the support portion 2.1 of precast concrete bridge deck 2, be combined by the concrete being cast in reserved Hou Jiao district 4, enrich by cement paste is set with the gap of the support portion 2.1 of precast concrete bridge deck 2 described grout compartment 10.
In technique scheme, in each reserved Hou Jiao district 4, multiple WELDING STUDS 9 are set.
In technique scheme, multiple grout compartments 10 are interconnected by grout pipe 6 is set successively, are positioned on outermost two grout compartments 10 and are also respectively equipped with inlet pipe 5 and outlet pipe 8; Enrich the gap of the support portion 2.1 of grout compartment 10 and precast concrete bridge deck 2 by pour into cement paste in inlet pipe 5.
Method is enriched in the not closely connected position post-grouting of a kind of steel reinforced concrete bondbeam, and it comprises the steps:
Step 1: longitudinal rubber strip 7 is set respectively on girder steel top board 3 left and right edges, between described two longitudinal rubber strips 7, many transverse rubber bars 11 are evenly set, described two longitudinal rubber strips 7 and many transverse rubber bars 11 surround multiple grout compartments 10 and reserved Hou Jiao district 4, and described grout compartment 10 and reserved Hou Jiao district 4 are arranged alternately;
Step 2: above-mentioned multiple grout compartments 10 are interconnected by grout pipe 6 is set successively, are positioned on outermost two grout compartments 10 and are also respectively equipped with inlet pipe 5 and outlet pipe 8, the body of described grout pipe 6 is through reserved Hou Jiao district 4;
Step 3: hoisting prefabricated concrete slab 2, precast concrete bridge deck 2 are arranged on longitudinal rubber strip 7 and transverse rubber bar 11, the support portion 2.1 of precast concrete bridge deck 2 is positioned at the top of grout compartment 10;
Step 4: after precast concrete bridge deck 2 have lifted, build reserved Hou Jiao district 4, be combined by the concrete that is cast in reserved Hou Jiao district 4 between girder steel top board 3 and the support portion 2.1 of precast concrete bridge deck 2;
Step 5: pour into cement paste to inlet pipe 5, until outlet pipe 8 flows out cement paste, with the mouth of pipe of stopper jam-pack inlet pipe 5 and outlet pipe 8, after cement paste solidifies in each grout compartment 10, cement paste enriches the gap of the support portion 2.1 of grout compartment 10 and precast concrete bridge deck 2, completes not enriching of closely connected position of steel reinforced concrete bondbeam.
In the step 5 of technique scheme, first clear water is poured into from inlet pipe 5, clean grout compartment 10, flow out after clear water until outlet pipe 8, then pour into cement paste in inlet pipe 5.Can remove like this residue in grout compartment 10, be conducive to cement paste building in grout compartment 10, guarantee the effect of antirust processing of steel plate later stage.
In the step 4 of technique scheme, first weld multiple WELDING STUDS 9 in each reserved Hou Jiao district 4, then build.WELDING STUDS 9 is for ensureing the strong bonded of precast concrete bridge deck 2 and girder steel 1.
In the step 5 of technique scheme, the composition of cement paste is cement, water and HL-P grouting agent, and three kinds of composition proportion are 1:0.34:0.1.This composition has ensured intensity and the compactness after cement paste solidifies.
The content that this manual is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. a method is enriched in the not closely connected position post-grouting of steel reinforced concrete bondbeam, it is characterized in that, it comprises the steps:
Step 1: on girder steel top board (3) left and right edges, longitudinal rubber strip (7) is set respectively, many transverse rubber bars (11) are evenly set between described two longitudinal rubber strips (7), described two longitudinal rubber strips (7) and many transverse rubber bars (11) surround multiple grout compartments (10) and reserved Hou Jiao district (4), and described grout compartment (10) and reserved Hou Jiao district (4) are arranged alternately;
Step 2: above-mentioned multiple grout compartments (10) are interconnected by grout pipe (6) is set successively, are positioned at and are also respectively equipped with inlet pipe (5) and outlet pipe (8) on outermost two grout compartments (10);
Step 3: hoisting prefabricated concrete slab (2), precast concrete bridge deck (2) are arranged on longitudinal rubber strip (7) and transverse rubber bar (11), the support portion (2.1) of precast concrete bridge deck (2) is positioned at the top of grout compartment (10);
Step 4: after precast concrete bridge deck (2) have lifted, build reserved Hou Jiao district (4), be combined by the concrete that is cast in reserved Hou Jiao district (4) between girder steel top board (3) and the support portion (2.1) of precast concrete bridge deck (2);
Step 5: pour into cement paste to inlet pipe (5), until outlet pipe (8) flows out cement paste, with the mouth of pipe of stopper jam-pack inlet pipe (5) and outlet pipe (8), after cement paste solidifies in each grout compartment (10), cement paste enriches the gap of the support portion (2.1) of grout compartment (10) and precast concrete bridge deck (2), completes not enriching of closely connected position of steel reinforced concrete bondbeam.
2. method is enriched in steel reinforced concrete bondbeam not closely connected position post-grouting according to claim 1, it is characterized in that: in described step 5, first clear water is poured into from inlet pipe (5), clean grout compartment (10), after outlet pipe (8) flows out clear water, then pour into cement paste in inlet pipe (5).
3. method is enriched in steel reinforced concrete bondbeam not closely connected position post-grouting according to claim 1, it is characterized in that: in described step 4, first in each reserved Hou Jiao district (4), multiple WELDING STUDS (9) are set, then build.
4. method is enriched in steel reinforced concrete bondbeam not closely connected position post-grouting according to claim 1 and 2, it is characterized in that: in described step 5, the composition of cement paste is cement, water and grouting agent, and three kinds of composition proportion are 1:0.34:0.1.
5. method is enriched in steel reinforced concrete bondbeam not closely connected position post-grouting according to claim 1, it is characterized in that: in described step 2, the body of described grout pipe (6) is through reserved Hou Jiao district (4).
6. structure is enriched in a steel reinforced concrete bondbeam not closely connected position post-grouting, it comprises precast concrete bridge deck (2) and girder steel top board (3), it is characterized in that: it also comprises the longitudinal rubber strip (7) being arranged on girder steel top board (3) left and right edges, evenly be arranged on many transverse rubber bars (11) between two longitudinal rubber strips (7), described two longitudinal rubber strips (7) and many transverse rubber bars (11) surround the multiple grout compartments (10) and the reserved Hou Jiao district (4) that are arranged alternately, described precast concrete bridge deck (2) are arranged on longitudinal rubber strip (7) and transverse rubber bar (11), wherein, the support portion (2.1) of precast concrete bridge deck (2) is positioned at the top of grout compartment (10), between the support portion (2.1) of above-mentioned girder steel top board (3) and precast concrete bridge deck (2), be combined by the concrete being cast in reserved Hou Jiao district (4), enrich by cement paste is set with the gap of the support portion (2.1) of precast concrete bridge deck (2) described grout compartment (10).
7. structure is enriched in steel reinforced concrete bondbeam not closely connected position post-grouting according to claim 6, it is characterized in that: multiple WELDING STUDS (9) are set in described each reserved Hou Jiao district (4).
8. structure is enriched in steel reinforced concrete bondbeam not closely connected position post-grouting according to claim 6, it is characterized in that: described multiple grout compartments (10) are interconnected by grout pipe (6) is set successively, be positioned at and on outermost two grout compartments (10), be also respectively equipped with inlet pipe (5) and outlet pipe (8); Enrich the gap of the support portion (2.1) of grout compartment (10) and precast concrete bridge deck (2) by pour into cement paste in inlet pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396405.2A CN102912728B (en) | 2012-10-18 | 2012-10-18 | Method for filling non-tight-contact parts of steel-concrete composite beams through rear grouting and filling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396405.2A CN102912728B (en) | 2012-10-18 | 2012-10-18 | Method for filling non-tight-contact parts of steel-concrete composite beams through rear grouting and filling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102912728A CN102912728A (en) | 2013-02-06 |
| CN102912728B true CN102912728B (en) | 2014-10-01 |
Family
ID=47611278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210396405.2A Active CN102912728B (en) | 2012-10-18 | 2012-10-18 | Method for filling non-tight-contact parts of steel-concrete composite beams through rear grouting and filling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102912728B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239499A (en) * | 2015-11-10 | 2016-01-13 | 中国建筑第六工程局有限公司 | Post-pressure-grouting structure of steel-concrete combined section |
| CN105908631B (en) * | 2016-05-11 | 2017-12-19 | 中铁十四局集团第二工程有限公司 | A kind of built-in type steel reinforced concrete joint portion mud jacking filling device and construction method |
| RU182992U1 (en) * | 2018-06-19 | 2018-09-07 | Александр Витальевич Атанов | A device for combining a precast concrete plate of a carriageway with a metal main beam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721636A (en) * | 2004-07-13 | 2006-01-18 | 李勇 | Prestressed steel-concrete compound beam and manufacturing method thereof |
| CN201089978Y (en) * | 2007-09-21 | 2008-07-23 | 四川省交通厅公路规划勘察设计研究院 | Transition connecting construction for steel construction and concrete structure |
| CN101424073A (en) * | 2008-12-04 | 2009-05-06 | 中铁大桥局股份有限公司 | Bridge deck and steel girder second combination method for whole arch precasted steel-concrete composite continuous box girder |
| KR20100066805A (en) * | 2008-12-10 | 2010-06-18 | (주)엠씨에스공법 | Steel-concrete composite crossbeam having wire mesh and construction method using the same |
| CN202865739U (en) * | 2012-10-18 | 2013-04-10 | 中交第二航务工程局有限公司 | After-grouting enriching structure of non-abutting portion of steel and concrete bonding beam |
-
2012
- 2012-10-18 CN CN201210396405.2A patent/CN102912728B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721636A (en) * | 2004-07-13 | 2006-01-18 | 李勇 | Prestressed steel-concrete compound beam and manufacturing method thereof |
| CN201089978Y (en) * | 2007-09-21 | 2008-07-23 | 四川省交通厅公路规划勘察设计研究院 | Transition connecting construction for steel construction and concrete structure |
| CN101424073A (en) * | 2008-12-04 | 2009-05-06 | 中铁大桥局股份有限公司 | Bridge deck and steel girder second combination method for whole arch precasted steel-concrete composite continuous box girder |
| KR20100066805A (en) * | 2008-12-10 | 2010-06-18 | (주)엠씨에스공법 | Steel-concrete composite crossbeam having wire mesh and construction method using the same |
| CN202865739U (en) * | 2012-10-18 | 2013-04-10 | 中交第二航务工程局有限公司 | After-grouting enriching structure of non-abutting portion of steel and concrete bonding beam |
Non-Patent Citations (6)
| Title |
|---|
| 105m大跨度钢-混凝土组合梁叠合施工技术;胡勇;《世界桥梁》;20091231;第54-58页 * |
| 张先蓉等.武汉二七长江大桥6×90m钢-混组合连续梁设计.《世界桥梁》.2012, |
| 李继兰等.连续钢_混叠合梁桥负弯矩区预压应力效应.《公路交通科技》.2012, |
| 武汉二七长江大桥6×90m钢-混组合连续梁设计;张先蓉等;《世界桥梁》;20120731;第11-14页 * |
| 胡勇.105m大跨度钢-混凝土组合梁叠合施工技术.《世界桥梁》.2009, |
| 连续钢_混叠合梁桥负弯矩区预压应力效应;李继兰等;《公路交通科技》;20120630;第53-59页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102912728A (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105839510B (en) | A kind of steel and ultra-high performance concrete composite continuous bridge structure and its construction method | |
| CN106758856B (en) | The construction method of the pretensioned prestressing corrugated steel web plate composite box girder of precast block | |
| CN105256713B (en) | Semi-assembly type steel concrete composite beam and construction method thereof | |
| CN106284044A (en) | A kind of Novel steel concrete composite bridge and construction method thereof | |
| CN101125441A (en) | Post-tensioned method prestressed concrete box beam whole opening prefabricated construction method | |
| CN206408836U (en) | Weld stirrup steel rib beam column | |
| CN102587296A (en) | Self-balancing external prestressing strengthening method for bridge structure | |
| CN108385503A (en) | A kind of assembled light combination beam freely-supported structure changes continuous structure and its construction method | |
| CN108301545A (en) | A kind of big module overlapping contignation of the assembled with space truss temporary support | |
| CN103741577B (en) | A kind of T-shaped beam bridge and construction method thereof that bottom lateral bracing is set | |
| CN102912728B (en) | Method for filling non-tight-contact parts of steel-concrete composite beams through rear grouting and filling structure | |
| CN104294920B (en) | The node component of a kind of U-shaped steel-concrete combination beam and special-shaped steel pipe concrete post and preparation method | |
| CN207878254U (en) | A kind of assembled light combination beam freely-supported structure changes continuous structure | |
| CN110700103A (en) | Construction method of continuous composite beam | |
| CN202865739U (en) | After-grouting enriching structure of non-abutting portion of steel and concrete bonding beam | |
| CN206438380U (en) | The long overhanging crossbeam bridge structure of one kind | |
| CN209040349U (en) | A kind of ring muscle fastening shear wall structure being easily installed | |
| CN107447676A (en) | The precast construction method of the steel and ultra-high performance concrete combination beam of steel ribs formula bridge floor | |
| CN205224332U (en) | Prefabricated wall body and prefabricated wallboard | |
| CN101906757A (en) | Assembly method for replacing plate type rubber support on abutment of highway bridge | |
| CN108589507A (en) | Spelling fills precast concrete beam bridge superstructure and its construction method | |
| CN103046462B (en) | Steel box component and steel box-concrete combined U-shaped girder composed of same | |
| CN202401667U (en) | Prefabricated column with reserved embedded column porous channel and embedded column type full-assembly anti-seismic building | |
| CN208685424U (en) | Spelling fills precast concrete beam bridge superstructure | |
| CN110219232B (en) | Concrete pouring method for deck type arch bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |