CN109610321A - A kind of subsection beam construction method for adding horizontal distribution reinforcing bar - Google Patents
A kind of subsection beam construction method for adding horizontal distribution reinforcing bar Download PDFInfo
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- CN109610321A CN109610321A CN201811399875.8A CN201811399875A CN109610321A CN 109610321 A CN109610321 A CN 109610321A CN 201811399875 A CN201811399875 A CN 201811399875A CN 109610321 A CN109610321 A CN 109610321A
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- Prior art keywords
- girder segment
- horizontal distribution
- girder
- several
- distribution reinforcing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a kind of subsection beam construction methods for adding horizontal distribution reinforcing bar, wherein includes: prefabricated several girder segments, and reserves the duct of several enough anchorage lengths at the both ends of each girder segment；Several girder segments are transported to construction site, carry out section assembling；The first glue of note in several ducts of one end of a girder segment；One end of several horizontal distribution reinforcing bars is inserted into several ducts of one end of a girder segment respectively, and wipes the first glue squeezed out by horizontal distribution reinforcing bar；The second glue is smeared at seam sections；The first glue of note in the duct of one end of another girder segment, and in the duct of one end that the other end of several horizontal distribution reinforcing bars is inserted into another girder segment respectively；It repeats the above steps, until section assembling is completed.The present invention can manufacture a kind of beam sections with horizontal distribution reinforcing bar, and the horizontal distribution reinforcing bar added can increase the bending bearing capacity and shear resistant capacity of beam sections seam crossing.
Description
Technical field:
The present invention relates to subsection beam construction method, especially a kind of subsection beam construction method for adding horizontal distribution reinforcing bar.
Background technique:
Existing beam sections are generally connect or are bolted together by way of being glued wet, and the wet mode connect makes beam sections
Long construction period is unfavorable for giving full play to the beam sections shortening site operation period, improves the purpose of construction efficiency；Pure bonding mode
Beam sections seam crossing bending resistance and shear resistance it is relatively poor.
Chinese patent CN104047225B discloses a kind of precast segment assembly beam body that steel bushing tubular elastic shear tenon is arranged
Structure.It includes the prefabrication of beam segment for having box beam type, the cavity edge of prefabrication of beam segment both ends of the surface is provided with ring week shape
Diaphragm plate has been evenly arranged reserving hole on diaphragm plate, has been embedded with outer steel pipe in reserving hole；Two adjacent sections prefabrication of beam section
Section is mutually spliced, and penetrates inner sleeve steel pipe in the corresponding outer steel pipe in position；Inner sleeve steel pipe is provided with axial inner sleeve joint-cutting, and one
End is taper.Above structure is complex, and manufacture is high with construction cost.
Chinese patent CN106758753B has disclosed a kind of Suo Liang combined bridge and its construction method, Suo Liang combination
Formula bridge includes multiple bridge subsections, and the bridge subsection includes girder construction, pave-load layer and wire rope structure, the girder construction
Including multiple row stringer, the wire rope structure includes cable wire and strut；The construction method to along bridge longitudinal extension by it is preceding extremely
After divide multiple bridge subsections to construct institute's construction bridges, and the construction method of multiple bridge subsections is all the same, to any
The work progress following steps of the bridge subsection: one, first bridge subsection construction: 101, girder construction is constructed, 102, peace
Steel loading Cable Structure, step 103, deck paving；Two, next bridge subsection construction；Three, step 2 is repeated several times, until completing
Whole work progress of institute's construction bridges.Wherein, between the adjacent two column stringer between adjacent two pieces of stringer segments
Cast-in-situ steel reinforced concrete forms diaphragm plate, this to belong to the wet mode connect, long construction period.
Chinese patent CN108560402A discloses a kind of prefabricated assembled bent cap and its construction method, wherein prefabricated dress
Include: multiple bent cap segments with formula bent cap, multiple spirals are embedded in each bent cap segment, bent cap splices between segment
Assembly, the position that the splice ends of every two adjacent bent cap segment correspond to spiral is provided with operation slot；Spiral connects
Device is connect, the spiral of every two adjacent bent cap segment is spliced by screw steel bar connector, and screw steel bar connector holds
It is contained in operation slot.The prefabricated assembled bent cap is needed through screw steel bar connector in the operation slot of bent cap segment
The spiral of every two adjacent cover girder segment is connected, until completing the splicing of prefabricated assembled bent cap.The construction of technique is necessary
Using standardized screw steel bar connector, on the one hand increase cost, on the other hand make complicated construction technique, reduces efficiency.
Summary of the invention:
The object of the invention is in order to provide a kind of new subsection beam construction method for adding horizontal distribution reinforcing bar.This hair
Bright subsection beam construction method mainly using the beam sections for being additionally arranged horizontal distribution reinforcing bar, use stage beam of the present invention with
And construction method can increase the bending bearing capacity and shear resistance of the seam crossing of beam sections.
The purpose of the present invention can be achieved through the following technical solutions:
The present invention provides the first subsection beam construction method for adding horizontal distribution reinforcing bar, comprising the following steps:
A1: prefabricated several girder segments, and the hole of several enough anchorage lengths is reserved at the both ends of each girder segment
Road；
A2: several girder segments are transported to construction site, carry out section assembling；
A3: the first glue of note in several ducts of the second end of the first girder segment；
A4: the first end of several horizontal distribution reinforcing bars is inserted into several ducts of the second end of the first girder segment respectively
It is interior, and wipe first glue squeezed out by the horizontal distribution reinforcing bar；
The end face of the second end of A5: the first girder segment is seam sections, and the is smeared at the seam sections of the first girder segment
Two glue；
A6: the first glue of note in the duct of the first end of the second girder segment, and the first girder segment will be already inserted into
The second end of horizontal distribution reinforcing bar is inserted into respectively in the duct of the first end of the second girder segment, and the first beam section is so far completed
The splicing of section second end and the second girder segment first end；
A7: step A3 to step A6 is referred to, the spelling of the second girder segment second end Yu third girder segment first end is continued to complete
It connects, the splicing of third girder segment second end and the 4th girder segment first end, until section assembling is completed.
In an embodiment of the invention, above-mentioned construction method can with the following steps are included:
A8: the interim prestressing force of tensioning, making two neighboring girder segment seam sections, there are a certain amount of compression.
In an embodiment of the invention, the outer end positioned at two girder segments at beam sections both ends is not connected to level
Distribution bar.
In an embodiment of the invention, each horizontal distribution reinforcing bar is entirely located in two adjacent girder segments
It is internal.
In an embodiment of the invention, the duct is opened up along the extending direction level of the girder segment.
In an embodiment of the invention, several horizontal distribution reinforcing bars arrange along the vertical direction, or,
Several horizontal distribution reinforcing bars arrange in the horizontal direction, or,
Several horizontal distribution reinforcing bars also arrange in the horizontal direction while arranging along the vertical direction.
In an embodiment of the invention, the cross section of each girder segment is rectangle, box, T-type or work
Font.
In an embodiment of the invention, the glue that first glue can be bonded using reinforcing bar and concrete, it is described
The glue that second glue can be bonded using concrete and concrete.
The present invention provides second of subsection beam construction method for adding horizontal distribution reinforcing bar, comprising the following steps:
B1: prefabricated several girder segments, and the hole of several enough anchorage lengths is reserved in the first end of each girder segment
Road, while in the pre-buried several horizontal distribution reinforcing bars for stretching out enough anchorage lengths of the second end of each girder segment；
B2: several girder segments are transported to construction site, carry out section assembling；
B3: the first glue of note in several ducts of the first girder segment；
B4: the first end of the girder segment and the end face of second end are seam sections, in the first end of the girder segment
Seam sections at smear the second glue；
B5: several horizontal distribution reinforcing bars of the second girder segment are inserted into several ducts of the first girder segment respectively
It is interior, so far complete the splicing of the first girder segment and the second girder segment；
B6: step B3 to step B5 is referred to, splicing, the 4th girder segment of third girder segment and the second girder segment are continued to complete
With the splicing of third girder segment, until section assembling complete.
In an embodiment of the invention, above-mentioned construction method can with the following steps are included:
B7: the interim prestressing force of tensioning, making two neighboring girder segment seam sections, there are a certain amount of compression.
In an embodiment of the invention, the outer end positioned at two girder segments at beam sections both ends is not connected to level
Distribution bar.
In an embodiment of the invention, each horizontal distribution reinforcing bar is entirely located in two adjacent girder segments
It is internal.
In an embodiment of the invention, the duct is opened up along the extending direction level of the girder segment.
In an embodiment of the invention, several horizontal distribution reinforcing bars arrange along the vertical direction, or,
Several horizontal distribution reinforcing bars arrange in the horizontal direction, or,
Several horizontal distribution reinforcing bars also arrange in the horizontal direction while arranging along the vertical direction.
In an embodiment of the invention, the cross section of each girder segment is rectangle, box, T-type or work
Font.
In an embodiment of the invention, the glue that first glue can be bonded using reinforcing bar and concrete, it is described
The glue that second glue can be bonded using concrete and concrete.
Compared with prior art, the present invention has the following advantages and beneficial effects:
1, the present invention can manufacture a kind of beam sections with horizontal distribution reinforcing bar, and the horizontal distribution reinforcing bar added can
Increase the bending bearing capacity and shear resistant capacity of beam sections seam crossing.
2, the present invention is by the way of precast beam, and on-site consolidation, construction technology is simple, short construction period, and construction efficiency is high.
Detailed description of the invention:
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing；
Fig. 1 is a kind of beam sections schematic diagram of the construction method of beam sections of the invention；
Fig. 2 is a kind of section assembling schematic diagram of the construction method of beam sections of the invention.
In attached drawing: 1, beam sections；11, the first girder segment；12, the second girder segment；2, duct；3, horizontal distribution reinforcing bar.
Specific embodiment:
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The present embodiment provides a kind of 1 construction methods of beam sections, with reference to Fig. 1, Fig. 2, comprising the following steps:
A1: prefabricated several girder segments, and the duct 2 of several enough anchorage lengths is reserved at the both ends of each girder segment；
A2: several girder segments are transported to construction site, carry out section assembling；
A3: the first glue of note in several ducts 2 of the second end of the first girder segment 11；
A4: the first end of several horizontal distribution reinforcing bars 3 is inserted into several ducts 2 of the second end of the first girder segment 11 respectively
It is interior, and wipe the first glue squeezed out by horizontal distribution reinforcing bar 3；
The end face of the second end of A5: the first girder segment 11 is seam sections, is applied at the seam sections of the first girder segment 11
Smear the second glue；
A6: the first glue of note in the duct 2 of the first end of the second girder segment 12, and the first girder segment 11 will be already inserted into
The second end of horizontal distribution reinforcing bar 3 is inserted into respectively in the duct 2 of the first end of the second girder segment 12, and the first beam section is so far completed
The splicing of section 11 second ends and 12 first end of the second girder segment；
A7: referring to step A3 to step A6, continues to complete 12 second end of the second girder segment and third girder segment first end
Splicing, the splicing of third girder segment second end and the 4th girder segment first end, until section assembling is completed.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses.
The present invention also has on the basis of the above is implemented as follows mode:
In an embodiment of the invention, above-mentioned construction method can with the following steps are included:
A8: the interim prestressing force of tensioning, making two neighboring girder segment seam sections, there are a certain amount of compression.
In a wherein specific embodiment, the outer end positioned at two girder segments at 1 both ends of beam sections is not connected to water
Flat distribution bar 3.
In a wherein specific embodiment, each horizontal distribution reinforcing bar 3 is entirely located in two adjacent girder segments
Portion.
In a wherein specific embodiment, duct 2 is opened up along the extending direction level of girder segment.
In a wherein specific embodiment, several horizontal distribution reinforcing bars 3 arrange along the vertical direction, or,
Several horizontal distribution reinforcing bars 3 arrange in the horizontal direction, or,
Several horizontal distribution reinforcing bars 3 also arrange in the horizontal direction while arranging along the vertical direction.
In a wherein specific embodiment, the cross section of each girder segment is rectangle, box, T-type or I-shaped.
In the present embodiment, the glue that the first glue can be bonded using reinforcing bar and concrete, the second glue uses concrete and coagulation
The glue that soil can bond.
Embodiment 2
The present embodiment provides the construction methods of second of beam sections 1, with reference to Fig. 1, Fig. 2, comprising the following steps:
B1: prefabricated several girder segments, and the duct 2 of several enough anchorage lengths is reserved in the first end of each girder segment,
Simultaneously in the pre-buried several horizontal distribution reinforcing bars 3 for stretching out enough anchorage lengths of the second end of each girder segment；
B2: several girder segments are transported to construction site, carry out section assembling；
B3: the first glue of note in several ducts 2 of the first girder segment 11；
B4: the first end of girder segment and the end face of second end are seam sections, are cut in the seam of the first end of girder segment
The second glue is smeared at face；
B5: several horizontal distribution reinforcing bars 3 of the second girder segment 12 are inserted into several ducts 2 of the first girder segment 11 respectively
It is interior, so far complete the splicing of the first girder segment 11 and the second girder segment 12；
B6: step B3 to step B5 is referred to, splicing, the 4th Liang Jie of third girder segment and the second girder segment 12 are continued to complete
The splicing of section and third girder segment, until section assembling is completed.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses.
The present invention also has on the basis of the above is implemented as follows mode:
In an embodiment of the invention, above-mentioned construction method can with the following steps are included:
A8: the interim prestressing force of tensioning, making two neighboring girder segment seam sections, there are a certain amount of compression.
In a wherein specific embodiment, the outer end positioned at two girder segments at 1 both ends of beam sections is not connected to water
Flat distribution bar 3.
In a wherein specific embodiment, each horizontal distribution reinforcing bar 3 is entirely located in two adjacent girder segments
Portion.
In a wherein specific embodiment, duct 2 is opened up along the extending direction level of girder segment.
In a wherein specific embodiment, several horizontal distribution reinforcing bars 3 arrange along the vertical direction, or,
Several horizontal distribution reinforcing bars 3 arrange in the horizontal direction, or,
Several horizontal distribution reinforcing bars 3 also arrange in the horizontal direction while arranging along the vertical direction.
In a wherein specific embodiment, the cross section of each girder segment is rectangle, box, T-type or I-shaped.
In the present embodiment, the glue that the first glue can be bonded using reinforcing bar and concrete, the second glue uses concrete and coagulation
The glue that soil can bond.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar, which comprises the following steps:
A1: prefabricated several girder segments, and the duct of several enough anchorage lengths is reserved at the both ends of each girder segment；
A2: several girder segments are transported to construction site, carry out section assembling；
A3: the first glue of note in several ducts of the second end of the first girder segment；
A4: the first end of several horizontal distribution reinforcing bars is inserted into respectively in several ducts of the second end of the first girder segment,
And wipe first glue squeezed out by the horizontal distribution reinforcing bar；
The end face of the second end of A5: the first girder segment is seam sections, and the second glue is smeared at the seam sections of the first girder segment；
A6: the first glue of note in the duct of the first end of the second girder segment, and the level that the first girder segment will be already inserted into
The second end of distribution bar is inserted into respectively in the duct of the first end of the second girder segment, and the first girder segment is so far completed
The splicing at two ends and the second girder segment first end；
A7: referring to step A3 to step A6, continue to complete the second girder segment second end and third girder segment first end splicing, the
The splicing of three girder segment second ends and the 4th girder segment first end, until section assembling is completed.
2. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar according to claim 1, which is characterized in that also wrap
Include following steps:
A8: the interim prestressing force of tensioning, making two neighboring girder segment seam sections, there are compression.
3. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar, which comprises the following steps:
B1: prefabricated several girder segments, and the duct of several enough anchorage lengths is reserved in the first end of each girder segment, together
When each girder segment the pre-buried several horizontal distribution reinforcing bars for stretching out enough anchorage lengths of second end；
B2: several girder segments are transported to construction site, carry out section assembling；
B3: the first glue of note in several ducts of the first girder segment；
B4: the first end of the girder segment and the end face of second end are seam sections, are connect in the first end of the girder segment
It stitches and smears the second glue at section；
B5: several horizontal distribution reinforcing bars of the second girder segment are inserted into respectively in several ducts of the first girder segment,
So far the splicing of the first girder segment and the second girder segment is completed；
B6: referring to step B3 to step B5, continues to complete the splicing of third girder segment and the second girder segment, the 4th girder segment and the
The splicing of three girder segments, until section assembling is completed.
4. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar according to claim 3, which is characterized in that also wrap
Include following steps:
B7: the interim prestressing force of tensioning, making two neighboring girder segment seam sections, there are compression.
5. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar according to claim 1 or 3, which is characterized in that
Outer end positioned at two girder segments at beam sections both ends is not connected to horizontal distribution reinforcing bar.
6. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar according to claim 1 or 3, which is characterized in that
Each horizontal distribution reinforcing bar is entirely located in inside two adjacent girder segments.
7. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar according to claim 1 or 3, which is characterized in that
The duct is opened up along the extending direction level of the girder segment.
8. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar according to claim 1 or 3, which is characterized in that
Several horizontal distribution reinforcing bars arrange along the vertical direction, or,
Several horizontal distribution reinforcing bars arrange in the horizontal direction, or,
Several horizontal distribution reinforcing bars also arrange in the horizontal direction while arranging along the vertical direction.
9. a kind of subsection beam construction method for adding horizontal distribution reinforcing bar according to claim 1 or 3, which is characterized in that
The cross section of each girder segment is rectangle, box, T-type or I-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399875.8A CN109610321A (en) | 2018-11-22 | 2018-11-22 | A kind of subsection beam construction method for adding horizontal distribution reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399875.8A CN109610321A (en) | 2018-11-22 | 2018-11-22 | A kind of subsection beam construction method for adding horizontal distribution reinforcing bar |
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| Publication Number | Publication Date |
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| CN109610321A true CN109610321A (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811399875.8A Pending CN109610321A (en) | 2018-11-22 | 2018-11-22 | A kind of subsection beam construction method for adding horizontal distribution reinforcing bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774781A (en) * | 2021-09-07 | 2021-12-10 | 湖南路桥建设集团有限责任公司 | Shear part joint composite structure of composite beam bridge and construction method thereof |
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| CN108560402A (en) * | 2018-07-17 | 2018-09-21 | 中冶长天国际工程有限责任公司 | A kind of prefabricated assembled bent cap and its construction method |
| CN108660908A (en) * | 2018-06-19 | 2018-10-16 | 中国铁路总公司 | A kind of prestressed concrete cable-stayed bridge of the beam prefabricated pin-connected panel of tower |
| CN109629421A (en) * | 2018-11-20 | 2019-04-16 | 同济大学 | A kind of subsection beam construction method for adding steel pipe and horizontal distribution reinforcing bar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011144513A (en) * | 2010-01-12 | 2011-07-28 | Sho-Bond Corp | Joint of precast floor slab in bridge |
| KR20120057021A (en) * | 2010-11-26 | 2012-06-05 | 한국건설기술연구원 | Precast end segmet girder for continuous bridge, girder making method and bridge construction method using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113774781A (en) * | 2021-09-07 | 2021-12-10 | 湖南路桥建设集团有限责任公司 | Shear part joint composite structure of composite beam bridge and construction method thereof |
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