CN109680612B - Assembled capping beam pier column straight joint model and joint filling construction process using same - Google Patents
Assembled capping beam pier column straight joint model and joint filling construction process using same Download PDFInfo
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- CN109680612B CN109680612B CN201811509309.8A CN201811509309A CN109680612B CN 109680612 B CN109680612 B CN 109680612B CN 201811509309 A CN201811509309 A CN 201811509309A CN 109680612 B CN109680612 B CN 109680612B
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- rear panel
- side plate
- front panel
- stirring
- plate
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000004567 concrete Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 238000005056 compaction Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000005429 filling process Methods 0.000 claims 2
- 239000004568 cement Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009417 prefabrication Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011374 ultra-high-performance concrete Substances 0.000 description 1
Classifications
-
- 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 an assembled bent cap pier column straight joint model and a joint filling construction process using the same, and belongs to the technical field of assembled buildings; the template comprises a top plate, a rear panel, a left side plate, a bottom plate, a right side plate and a front panel; the invention has convenient manufacture, the detailed structure simulates the boundary condition of the crack pouring material, the adjustment range of the template slit meets the requirement of a design drawing, the use amount of the crack pouring material is less, the determination of the parameters of stirring equipment is met, the construction manufacturability of the crack pouring material can be checked, the appearance of a sample is observed after the die is removed, the strength of the material is detected after the material is cut, the performance of the crack pouring material can be intuitively and accurately interpreted, and the invention has wide application prospect.
Description
Technical Field
The invention relates to the technical field related to assembly type buildings, in particular to an assembly type capping beam pier column straight joint model and a joint filling construction process using the same.
Background
In China, the prefabrication construction technology of the upper structure of the bridge is mature and is adopted in a large number of bridge constructions, the lower structure is the key of the existing prefabrication assembly type bridge, and particularly for Beijing Gao Zhenou, the connection form, mechanical property and vibration resistance of the lower structure are the most key links, and key technical test researches such as the prefabrication assembly type connection joint ultra-high performance concrete pouring joint construction process and the like are carried out, so that foundation and basis are provided for bridge construction project design and site construction process.
Whether the self-compacting concrete can meet the requirement of compacting and filling the template under the condition of only depending on self gravity, the working degree of the self-compacting concrete plays a crucial role, and the excellent working degree is fundamentally different from that of common concrete. At present, the special structural form of the connecting joint of the bridge for the prefabricated assembly construction still has the following technical difficulties: (1) the width of the connecting joint is limited, and the pouring construction process needs to be researched; (2) joint grouting may present a difficult problem of non-compactness of the grouting which is undetectable, and avoids hidden quality hazards.
In the prior art, the self-compaction of concrete cannot be detected when the straight joint of the fabricated capping beam pier column is subjected to joint filling construction, so that the invention provides the fabricated capping beam pier column straight joint model and the joint filling construction process using the fabricated capping beam pier column straight joint model to solve the problem of detecting the self-compaction of the poured concrete.
Disclosure of Invention
The invention aims to provide an assembled capping beam pier column straight joint model and a joint filling construction process using the same, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the straight seam model of the fabricated bent cap pier stud comprises a bearing table and a template, wherein the bearing table is a table top for supporting the template, and the template is arranged on the bearing table; the template includes roof, rear panel, left side board, bottom plate, right side board and front panel, rear panel and front panel parallel arrangement, roof fixed connection is at the top of rear panel and front panel, and roof and rear panel and front panel set up perpendicularly, left side board fixed connection is in the left side between rear panel and the front panel, and left side board and rear panel and front panel set up perpendicularly, right side board fixed connection is in the right side between rear panel and the front panel, and right side board and rear panel and front panel set up perpendicularly, bottom plate fixed connection is in the bottom of rear panel and front panel, and the bottom plate sets up perpendicularly with rear panel and front panel.
As a further scheme of the invention: the top plate, the rear panel, the left side plate, the bottom plate, the right side plate and the front panel are all made of wood materials; the top plate, the rear panel, the left side plate, the bottom plate, the right side plate and the front panel are all 1.8cm thick coating plates; the top plate, the rear panel, the left side plate, the bottom plate, the right side plate and the front panel are all straight surfaces; and the gap between the top plate and the left side plate and the right side plate is a grouting hole.
As a further scheme of the invention: the width of the top plate is 15cm, and the length of the top plate is adjustable between 6 cm and 12 cm; the width of the left side plate and the right side plate is 15cm, and the length is 150cm; the width of the front panel and the rear panel is 100cm, and the length is 150cm; the width of the bottom plate is 15cm, and the length of the bottom plate is 100cm.
As a further scheme of the invention: the rear panel is fixedly provided with a plurality of groups of bolts for simulating shear nails, the bolts are spaced from each other on the rear panel by 15cm, the length of the bolts entering the rear panel is 5cm, and the diameter of the bolts is 16mm; the bolt cap of the bolt is arranged on the inner side of the rear panel, the bolt is fastened on the outer side of the rear panel by the nut and the rubber pad, and the design has the advantage of preventing slurry leakage.
The joint filling construction process using the fabricated capping beam pier column straight joint model comprises the following steps of:
1) Stirring instrument selection: a movable forced vertical shaft stirrer is adopted;
2) Stirring raw materials: placing the cementing material poured with concrete into the movable forced vertical shaft stirrer selected in the step 1), stirring the cementing material into a flowing state, adding steel fibers, and stirring to uniformly distribute the cementing material; pouring concrete, stirring uniformly and making the concrete be in a flowing state;
3) And (3) joint filling construction: grouting the grouting holes according to the minimum grouting width of 8cm for grouting; finishing the joint filling construction;
4) Removing the die: and (3) removing the template, and detecting the compaction condition of the poured concrete through visual measurement means and an indoor detection test.
As a further scheme of the invention: the stirring parameters of the movable forced vertical shaft stirrer adopted in the step 1) are as follows: stirring volume is 0.3-0.6 m 3 The vibration frequency was 5.5kw.
As a further scheme of the invention: the stirring time for stirring the cementing material into a flowing state in the step 2) is 2min; the stirring time for adding the steel fibers and stirring to uniformly distribute the steel fibers is 4min.
As a further scheme of the invention: and 3) pouring and forming in a blanking funnel mode during joint filling construction in the step 3).
The application of the fabricated bent cap pier column straight joint model in fabricated buildings.
Compared with the prior art, the invention has the beneficial effects that:
the invention has convenient manufacture, the detailed structure simulates the boundary condition of the crack pouring material, the adjustment range of the template slit meets the requirement of a design drawing, the use amount of the crack pouring material is less, the determination of the parameters of stirring equipment is met, the construction manufacturability of the crack pouring material can be checked, and the performance of the crack pouring material can be intuitively and accurately interpreted through the observation of the appearance of a sample and the strength detection after the material is cut after the die is removed.
According to the invention, the shear nails are accurately simulated through the bolts, so that the self-compaction performance of the crack pouring concrete for the crack pouring construction of the fabricated capping beam pier stud can be well detected; the invention can conveniently and rapidly adjust the seam width, determine the pourability seam width of the grouting material, determine the pourability seam width parameter, and verify the compactness of the material by appearance and indoor test of the model; meanwhile, pouring with different seam widths is carried out by adopting the template, the actual boundary condition of the potting material is simulated, and the control value of the material construction index is determined, so that the template has wide application prospect.
Drawings
Fig. 1 is a schematic structural view of a capping beam pier column straight joint grouting construction in the prior art.
Fig. 2 is a schematic diagram of a front panel with a template removed for an assembled capping beam pier column straight seam model in accordance with the present invention.
Fig. 3 is a schematic front view of a front panel with a template removed of the straight seam model of the fabricated bent cap pier stud in the present invention.
Fig. 4 is a schematic top view of a formwork of the straight seam model of the fabricated capping beam pier in the present invention.
In the figure: 1-poured concrete, 2-shear nails, 3-reserved slots, 4-prefabricated capping beams, 5-pier column top seat slurry, 6-steel pipes, 7-prefabricated pier columns, 8-pouring holes, 11-top plates, 12-rear panels, 13-bolts, 14-left side plates, 15-bottom plates, 16-pouring holes, 17-right side plates and 18-front panels.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 2 to 4, in an embodiment of the present invention, an assembled capping beam pier column straight seam model includes a bearing table and a template, wherein the bearing table is a table surface for supporting the template, and the template is arranged on the bearing table; the template includes roof 11, rear panel 12, left side board 14, bottom plate 15, right side board 17 and front panel 18, rear panel 12 and front panel 18 parallel arrangement, roof 11 fixed connection is at the top of rear panel 12 and front panel 18, and roof 11 sets up with rear panel 12 and front panel 18 perpendicularly, left side board 14 fixed connection is in the left side between rear panel 12 and front panel 18, and left side board 14 sets up with rear panel 12 and front panel 18 perpendicularly, right side board 17 fixed connection is in the right side between rear panel 12 and front panel 18, right side board 17 sets up with rear panel 12 and front panel 18 perpendicularly, bottom plate 15 fixed connection is in the bottom of rear panel 12 and front panel 18, bottom plate 15 sets up with rear panel 12 and front panel 18 perpendicularly.
In the embodiment of the present invention, the top plate 11, the rear panel 12, the left side plate 14, the bottom plate 15, the right side plate 17 and the front panel 18 are all made of wood; the top plate 11, the rear panel 12, the left side plate 14, the bottom plate 15, the right side plate 17 and the front panel 18 are all 1.8cm thick coated plates; the top plate 11, the rear panel 12, the left side plate 14, the bottom plate 15, the right side plate 17 and the front panel 18 are all straight surfaces; the gap between the top plate 11 and the left and right side plates 14 and 17 is a grouting hole 16.
In the embodiment of the invention, the width of the top plate 11 is 15cm, and the length is adjustable between 6 cm and 12cm for ensuring the width of the grouting holes 16; the width of the left side plate 14 and the right side plate 17 is 15cm, and the length is 150cm; the front panel 18 and the rear panel 12 have a width of 100cm and a length of 150cm; the width of the bottom plate 15 is 15cm, and the length is 100cm.
In the embodiment of the invention, a plurality of groups of bolts 13 for simulating the shear nails 2 are fixedly arranged on the rear panel 12, the distance between the bolts 13 on the rear panel 12 is 15cm, the length of the bolts 13 entering the rear panel 12 is 5cm, and the diameter of the bolts 13 is 16mm; the bolt cap of the bolt 13 is arranged on the inner side of the rear panel 12, the bolt 13 is fastened on the outer side of the rear panel 12 by nuts and rubber pads, and the design has the advantage of preventing slurry leakage.
Example two
In the embodiment of the invention, a joint filling construction process using an assembled capping beam pier column straight joint model is provided, and the structure of the assembled capping beam pier column straight joint model is the same as that of the first embodiment; the crack pouring construction process comprises the following steps:
1) Stirring instrument selection: a movable forced vertical shaft stirrer is adopted;
2) Stirring raw materials: placing the cementing material of the poured concrete 1 into the movable forced vertical shaft stirrer selected in the step 1), stirring the cementing material into a flowing state, adding steel fibers, and stirring to uniformly distribute the cementing material; pouring concrete 1, stirring uniformly and making the concrete be in a flowing state;
3) And (3) joint filling construction: grouting holes 16 are filled with the grouting materials according to the minimum grouting width of 8 cm; finishing the joint filling construction;
4) Removing the die: and (3) removing the template, and detecting the compaction condition of the poured concrete 1 through visual measurement means and an indoor detection test.
In the embodiment of the present invention, the stirring parameters of the movable forced vertical shaft stirrer adopted in the step 1) are as follows: stirring volume is 0.3-0.6 m 3 The vibration frequency was 5.5kw.
In the embodiment of the invention, in the step 2), the stirring time for stirring the cementing material into a flowing state is 2min; the stirring time for adding the steel fibers and stirring to uniformly distribute the steel fibers is 4min.
In the embodiment of the invention, the pouring and forming are performed in the step 3) in a blanking funnel mode during the joint filling construction.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The joint filling construction process using the fabricated capping beam pier column straight joint model comprises a bearing table and a template, wherein the bearing table is a table top for supporting the template, and the template is arranged on the bearing table; the novel building template is characterized by comprising a top plate (11), a rear panel (12), a left side plate (14), a bottom plate (15), a right side plate (17) and a front panel (18), wherein the rear panel (12) and the front panel (18) are arranged in parallel, the top plate (11) is fixedly connected to the tops of the rear panel (12) and the front panel (18), the top plate (11) is vertically arranged with the rear panel (12) and the front panel (18), the left side plate (14) is fixedly connected to the left side between the rear panel (12) and the front panel (18), the left side plate (14) is vertically arranged with the rear panel (12) and the front panel (18), the right side plate (17) is fixedly connected to the right side between the rear panel (12) and the front panel (18), the bottom plate (15) is fixedly connected to the bottoms of the rear panel (12) and the front panel (18), and the bottom plate (15) is vertically arranged with the rear panel (12) and the front panel (18).
The top plate (11), the rear panel (12), the left side plate (14), the bottom plate (15), the right side plate (17) and the front panel (18) are all made of wood; the top plate (11), the rear panel (12), the left side plate (14), the bottom plate (15), the right side plate (17) and the front panel (18) are all 1.8cm thick coating plates; the top plate (11), the rear panel (12), the left side plate (14), the bottom plate (15), the right side plate (17) and the front panel (18) are all straight surfaces; the gap between the top plate (11) and the left side plate (14) and the right side plate (17) is a grouting hole (16);
the width of the top plate (11) is 15cm, and the length is adjustable between 6 cm and 12cm for ensuring the width of the grouting holes (16); the width of the left side plate (14) and the right side plate (17) is 15cm, and the length is 150cm; the front panel (18) and the rear panel (12) have a width of 100cm and a length of 150cm; the width of the bottom plate (15) is 15cm, and the length is 100cm;
the rear panel (12) is fixedly provided with a plurality of groups of bolts (13) for simulating the shear nails (2), the bolts (13) are spaced from each other by 15cm on the rear panel (12), the length of the bolts (13) entering the rear panel (12) is 5cm, and the diameter of the bolts (13) is 16mm; the bolt cap of the bolt (13) is arranged on the inner side of the rear panel (12), and the bolt (13) is fastened on the outer side of the rear panel (12) by a nut and a rubber pad;
the construction process comprises the following steps:
1) Stirring instrument selection: a movable forced vertical shaft stirrer is adopted;
2) Stirring raw materials: placing the cementing material of the poured concrete (1) into the movable forced vertical shaft stirrer selected in the step 1), stirring the cementing material into a flowing state, and then adding steel fibers and stirring to uniformly distribute the cementing material; pouring concrete (1), stirring uniformly and making the concrete be in a flowing state;
3) And (3) joint filling construction: grouting holes (16) are used for grouting according to the minimum grouting width of 8 cm; finishing the joint filling construction;
4) Removing the die: and (3) removing the template, and detecting the compaction condition of the poured concrete (1) through visual measurement means and an indoor detection test.
2. The joint filling process using the fabricated capping beam pier column straight joint model according to claim 1, wherein the stirring parameters of the movable forced vertical shaft stirrer adopted in the step 1) are as follows: stirring volume is 0.3-0.6 m 3 The vibration frequency was 5.5kw.
3. The joint filling process using the fabricated capping beam pier column straight joint model according to claim 1, wherein the stirring time for stirring the cement into a flowing state in the step 2) is 2min; the stirring time for adding the steel fibers and stirring to uniformly distribute the steel fibers is 4min.
4. The joint filling construction process using the fabricated capping beam pier column straight joint model according to claim 1, wherein the joint filling construction in the step 3) is performed by adopting a blanking funnel manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509309.8A CN109680612B (en) | 2018-12-11 | 2018-12-11 | Assembled capping beam pier column straight joint model and joint filling construction process using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509309.8A CN109680612B (en) | 2018-12-11 | 2018-12-11 | Assembled capping beam pier column straight joint model and joint filling construction process using same |
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| Publication Number | Publication Date |
|---|---|
| CN109680612A CN109680612A (en) | 2019-04-26 |
| CN109680612B true CN109680612B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811509309.8A Active CN109680612B (en) | 2018-12-11 | 2018-12-11 | Assembled capping beam pier column straight joint model and joint filling construction process using same |
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| JP2005017171A (en) * | 2003-06-27 | 2005-01-20 | Tadahiko Fujisawa | Molding flask for producing specimen of csg material and method for producing specimen of csg material |
| CN203870104U (en) * | 2014-05-21 | 2014-10-08 | 中国建筑土木建设有限公司 | Indoor simulator with self-compacting concrete packing layer effect |
| CN105353111A (en) * | 2015-12-16 | 2016-02-24 | 山东科技大学 | Concrete filled steel tube lagging jack grouting analog system and effect evaluation method |
| CN107478719A (en) * | 2017-06-27 | 2017-12-15 | 浙江大学 | The structure and method of the built-in vibration-testing method detection telescopic splice of grouting behind shaft or drift lining |
| CN107656037A (en) * | 2017-08-30 | 2018-02-02 | 中交四航工程研究院有限公司 | A kind of box hat high-flowing concrete performance verification method |
| CN108547217A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Unit construction bridge formed precast concrete pier stud and bent cap bell and spigot frame and construction method |
| CN210031507U (en) * | 2018-12-11 | 2020-02-07 | 中交一公局土木工程建筑研究院有限公司 | Prefabricated bent cap pier stud reserved joint straight seam model template |
-
2018
- 2018-12-11 CN CN201811509309.8A patent/CN109680612B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005017171A (en) * | 2003-06-27 | 2005-01-20 | Tadahiko Fujisawa | Molding flask for producing specimen of csg material and method for producing specimen of csg material |
| CN203870104U (en) * | 2014-05-21 | 2014-10-08 | 中国建筑土木建设有限公司 | Indoor simulator with self-compacting concrete packing layer effect |
| CN105353111A (en) * | 2015-12-16 | 2016-02-24 | 山东科技大学 | Concrete filled steel tube lagging jack grouting analog system and effect evaluation method |
| CN107478719A (en) * | 2017-06-27 | 2017-12-15 | 浙江大学 | The structure and method of the built-in vibration-testing method detection telescopic splice of grouting behind shaft or drift lining |
| CN107656037A (en) * | 2017-08-30 | 2018-02-02 | 中交四航工程研究院有限公司 | A kind of box hat high-flowing concrete performance verification method |
| CN108547217A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Unit construction bridge formed precast concrete pier stud and bent cap bell and spigot frame and construction method |
| CN210031507U (en) * | 2018-12-11 | 2020-02-07 | 中交一公局土木工程建筑研究院有限公司 | Prefabricated bent cap pier stud reserved joint straight seam model template |
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