CN108118685B - Larson steel sheet pile crown beam with adjustable section and section adjusting method thereof - Google Patents
Larson steel sheet pile crown beam with adjustable section and section adjusting method thereof Download PDFInfo
- Publication number
- CN108118685B CN108118685B CN201711393507.8A CN201711393507A CN108118685B CN 108118685 B CN108118685 B CN 108118685B CN 201711393507 A CN201711393507 A CN 201711393507A CN 108118685 B CN108118685 B CN 108118685B
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- reinforcing rib
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- sheet pile
- larson
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 133
- 239000010959 steel Substances 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 122
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000011150 reinforced concrete Substances 0.000 abstract description 2
- 239000003351 stiffener Substances 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention relates to a Larson steel sheet pile crown beam with an adjustable section, which comprises steel plates arranged on the front side and the rear side of a Larson steel sheet pile, bolt holes are reserved at the tops of the Larson steel sheet piles, long reinforcing ribs and short reinforcing ribs are respectively arranged on the steel plates on the front side and the rear side, bolt holes are respectively arranged in the long reinforcing ribs and the short reinforcing ribs, the long reinforcing ribs extend into grooves on the inner side of the Larson steel sheet pile, the short reinforcing ribs support the end parts of the Larson steel sheet pile, and the steel plates on the front side and the rear side are connected with the Larson steel sheet pile through opposite-pull bolts to form the crown beam. The invention can strengthen the integrity of the steel sheet pile, prevent the phenomenon of staggered dumping, reduce the workload of field welding, and dispense with pouring reinforced concrete, when the design conditions are changed, the section of the steel crown beam can be conveniently adjusted, and the steel sheets at two sides can be re-split and repeatedly recycled after the crown beam is used.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a Larson steel sheet pile crown beam with an adjustable section and a section adjusting method thereof.
Background
Larson steel sheet piles are used as novel building materials, and play an important role in engineering such as cofferdam, large-diameter pipeline laying, temporary foundation pit excavation, retaining walls, embankment protection and the like. The Larson steel sheet pile has the advantages of high construction speed, low construction cost, repeated recycling, obvious environmental protection effect, great reduction of the earth excavation amount and the concrete usage amount and effective protection of land resources. Larson steel sheet piles are mutually meshed through small lock catches, and the Larson steel sheet piles have good waterproof performance.
Larson steel sheet piles are smaller in width and 40-75 cm generally, but are connected through locking openings, deformation consistency cannot be guaranteed, and when geological conditions of adjacent steel sheet piles are different or earthwork excavation is inconsistent, staggered dumping of the steel sheet piles is often caused.
In order to enhance the integrity of the steel sheet pile, the steel crown beam and the steel sheet pile can be connected into a whole through the split bolts, so that the integrity of the steel sheet pile is enhanced, the phenomenon of staggered dumping is prevented, the on-site welding workload is reduced, and the casting of reinforced concrete is not needed. Steel opposite struts are usually welded on the steel crown beam, the section size of the steel crown beam is related to the load and the opposite strut spacing, and if the load changes or the opposite strut spacing is adjusted, the section of the steel crown beam is often required to be adjusted.
Disclosure of Invention
The invention aims to provide a Larson steel sheet pile crown beam with an adjustable cross section, which can conveniently adjust the cross section of the steel crown beam by adjusting the width of a reinforcing rib according to design requirements.
In order to achieve the above object, the technical scheme of the present invention is as follows: the Larson steel sheet pile crown beam comprises steel plates arranged on the front side and the rear side of a Larson steel sheet pile, bolt holes are reserved at the tops of the Larson steel sheet piles, long reinforcing ribs and short reinforcing ribs are respectively arranged on the steel plates on the front side and the rear side, bolt holes are formed in the long reinforcing ribs and the short reinforcing ribs, the long reinforcing ribs extend into grooves in the inner sides of the tops of the Larson steel sheet piles, the short reinforcing ribs support the ends of the Larson steel sheet piles, and the steel plates on the front side and the rear side are connected with the Larson steel sheet piles through opposite-pull bolts to form the crown beam.
Further, the long reinforcing rib comprises a long reinforcing rib side plate welded on a steel plate and a long reinforcing rib end plate welded at the end part of the long reinforcing rib, the long reinforcing rib end plate is provided with a bolt hole, and the position of the steel plate corresponding to the long reinforcing rib end plate is also provided with a bolt hole; the short reinforcing rib comprises a short reinforcing rib side plate welded on the steel plate and a short reinforcing rib end plate welded at the end part of the short reinforcing rib side plate, bolt holes are formed in the short reinforcing rib end plate, and bolt holes are also formed in the positions, corresponding to the short reinforcing rib end plate, of the steel plate.
Further, the long reinforcing ribs and the short reinforcing ribs are provided on the same side of the steel plate at intervals.
The invention further aims to provide a section adjusting method for the Lasen steel sheet pile crown beam with the adjustable section, which can adjust the section of the steel crown beam conveniently by adjusting the width of the reinforcing rib according to design requirements.
In order to achieve the above object, the technical scheme of the present invention is as follows: a method of adjusting a cross section of a lassen steel sheet pile crown beam having an adjustable cross section, the lassen steel sheet pile crown beam including steel plates provided on both front and rear sides of a lassen steel sheet pile, the method comprising:
A. reserving a bolt hole at the top of the Larson steel sheet pile;
B. the method comprises the steps of determining the width of a crown beam section, adjusting the lengths of a long reinforcing rib and a short reinforcing rib according to the width of the crown beam section, correspondingly welding the long reinforcing rib and the short reinforcing rib on steel plates at the front side and the rear side respectively, reserving bolt holes in the reinforcing ribs, correspondingly placing the steel plates at the front side and the rear side of a Lassen steel sheet pile, enabling the long reinforcing rib to extend into a groove corresponding to the Lassen steel sheet pile, and enabling the short reinforcing rib to prop against the end part of the Lassen steel sheet pile;
C. and connecting the steel plates at the front side and the rear side with Lasen steel sheet piles through split bolts to form the crown beam.
Further, the long reinforcing rib comprises a long reinforcing rib side plate welded on a steel plate and a long reinforcing rib end plate welded at the end part of the long reinforcing rib, the long reinforcing rib end plate is provided with a bolt hole, and the position of the steel plate corresponding to the long reinforcing rib end plate is also provided with a bolt hole; the short reinforcing rib comprises a short reinforcing rib side plate welded on the steel plate and a short reinforcing rib end plate welded at the end part of the short reinforcing rib side plate, bolt holes are formed in the short reinforcing rib end plate, and bolt holes are also formed in the positions, corresponding to the short reinforcing rib end plate, of the steel plate.
Further, the long reinforcing ribs and the short reinforcing ribs are provided on the same side of the steel plate at intervals.
The steel crown beam consists of the steel plate, the reinforcing rib and the split bolts, and can be conveniently disassembled and assembled; secondly, the spacing of the reinforcing ribs corresponds to the spacing of the steel sheet piles, and the rib plates can not only enhance the bending rigidity of the crown beam, but also play a role in propping up the steel sheet piles; thirdly, bolt holes are reserved on the steel plate, the reinforcing ribs and the steel plate piles, and the steel plate piles are connected and fastened through split bolts; fourth, the width of the reinforcing rib can be increased or decreased according to the design requirement; fifthly, according to the width of the crown beam required by design, the width of the reinforcing rib can be correspondingly adjusted; sixthly, after the crown beam is used, the steel plates at the two sides can be re-split and can be recycled.
Drawings
FIG. 1 is a schematic plan view of a crown beam of a Larson sheet pile
FIG. 2 is a plan view of a steel plate and reinforcing ribs
FIG. 3 is an elevation view of a steel plate and reinforcing ribs
In the figure, 1, a steel plate, 2, a long reinforcing rib, 3, a short reinforcing rib, 4, a split bolt, 5, a Lassen steel sheet pile, 6, a long reinforcing rib side plate, 7, a long reinforcing rib end plate, 8, a short reinforcing rib side plate, 9, a short reinforcing rib end plate, 10, reserved bolt holes, d, a spacing of the reinforcing ribs, b, a width of the short reinforcing rib, b, a width of the long reinforcing rib, s, a reserved bolt hole spacing.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1, the section of the lason steel sheet pile 6 is trapezoid, a trapezoid groove is formed on the inner side of the trapezoid groove, lock catches are arranged at two ends of the trapezoid groove, a plurality of lason steel sheet piles 6 are connected into a row of lason steel sheet piles through the lock catches, and an outer steel plate 1 and an inner steel plate 2 are respectively arranged on the outer side and the inner side of the row of lason steel sheet piles.
The invention comprises the following steps: steel plate 1, long reinforcing rib 2, short reinforcing rib 3, split bolt 4. The method is characterized in that: the long stiffener 2 is composed of a long stiffener side plate 6 and a long stiffener end plate 7, and the short stiffener 3 is composed of a short stiffener side plate 8 and a short stiffener end plate 9. The long reinforcing ribs 2 and the short reinforcing ribs 3 are welded on the steel plate 1 respectively according to a certain interval d, and the interval d simultaneously needs to correspond to the interval of the Lasen steel plate piles 5, so that the long reinforcing rib end plates 7 and the short reinforcing rib end plates 9 are guaranteed to be attached to grooves of the Lasen steel plate piles 5. The long reinforcing rib end plate 7, the short reinforcing rib end plate 9 and the Lassen steel sheet pile 5 are respectively provided with bolt holes 10, the intervals s of the bolt holes correspond to each other, and the steel plates 1 on two sides and the Lassen steel sheet pile 5 are connected into a whole through the split bolts 4. By adjusting the width B of the long stiffening rib 2 and the width B of the short stiffening rib 3, the cross section of the crown beam can be adjusted.
Examples
The depth of a foundation pit in Shanghai is 6m, a Larson steel sheet pile with the depth of 400 x 170 is designed and used as an enclosure structure, the steel support distance is 3m, a crown beam is arranged at the top of the steel sheet pile, an original design steel plate is 500mm x 16mm, a side plate of a long reinforcing rib is 400mm x 12mm steel plate, an end plate of the long reinforcing rib is 250mm x 400mm x 12mm steel plate, a side plate of a short reinforcing rib is 76mm x 400mm x 12mm steel plate, an end plate of the short reinforcing rib is 250mm x 400mm x 12mm steel plate, the distance between reinforcing ribs is 0.4m, counter bolts are 2 x M20, and the vertical distance is 300mm. After the steel plates, the long reinforcing ribs and the short reinforcing ribs are welded in a staggered manner, the steel plates are connected through split bolts, so that the crown beam with the width of 548mm and the height of 500mm is formed.
Due to the change of field conditions, the spacing of the steel supports is adjusted to 6m, and the width of the cross section of the crown beam is required to be increased to be not less than 700mm. The side plates of the long reinforcing ribs are widened to 500mm x 400mm x 12mm, the side plates of the short reinforcing ribs are widened to 176mm x 400mm x 12mm, and after the side plates are connected through the split bolts, the width of the crown beam is increased to 748mm, and the height is 500mm, so that the design requirement can be met.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Claims (4)
1. The Larson steel sheet pile crown beam with the adjustable cross section comprises steel plates arranged on the front side and the rear side of the Larson steel sheet pile, bolt holes are reserved at the tops of the Larson steel sheet piles, long reinforcing ribs and short reinforcing ribs are respectively arranged on the steel plates on the front side and the rear side, bolt holes are respectively arranged in the long reinforcing ribs and the short reinforcing ribs, the long reinforcing ribs extend into grooves corresponding to the Larson steel sheet piles, the short reinforcing ribs prop against the ends of the Larson steel sheet piles, the steel plates on the front side and the rear side are connected with the Larson steel sheet piles through opposite-pull bolts to form the crown beam, the long reinforcing ribs comprise long reinforcing rib side plates welded on the steel plates and long reinforcing rib end plates welded on the long reinforcing rib end plates, and the positions of the steel plates corresponding to the long reinforcing rib end plates are also provided with the bolt holes; the short reinforcing rib comprises a short reinforcing rib side plate welded on the steel plate and a short reinforcing rib end plate welded at the end part of the short reinforcing rib side plate, bolt holes are formed in the short reinforcing rib end plate, and bolt holes are also formed in the positions, corresponding to the short reinforcing rib end plate, of the steel plate.
2. A cross-section-adjustable lassen steel sheet pile crown beam as defined in claim 1, wherein: the long reinforcing ribs and the short reinforcing ribs are arranged on the steel plate on the same side at intervals.
3. A method of adjusting a cross section of a lassen steel sheet pile crown beam having an adjustable cross section, the lassen steel sheet pile crown beam including steel plates provided on both front and rear sides of a lassen steel sheet pile, the method comprising: A. reserving a bolt hole at the top of the Larson steel sheet pile;
B. the method comprises the steps of determining the width of a crown beam section, adjusting the lengths of a long reinforcing rib and a short reinforcing rib according to the width of the crown beam section, correspondingly welding the long reinforcing rib and the short reinforcing rib on steel plates at the front side and the rear side respectively, reserving bolt holes in the reinforcing ribs, correspondingly placing the steel plates at the front side and the rear side of a Lassen steel sheet pile, enabling the long reinforcing rib to extend into a groove corresponding to the Lassen steel sheet pile, and enabling the short reinforcing rib to prop against the end part of the Lassen steel sheet pile; the long reinforcing rib comprises a long reinforcing rib side plate welded on a steel plate and a long reinforcing rib end plate welded at the end part of the long reinforcing rib, bolt holes are formed in the long reinforcing rib end plate, and bolt holes are also formed in the positions, corresponding to the long reinforcing rib end plate, of the steel plate; the short reinforcing rib comprises a short reinforcing rib side plate welded on the steel plate and a short reinforcing rib end plate welded at the end part of the short reinforcing rib side plate, bolt holes are formed in the short reinforcing rib end plate, and bolt holes are also formed in the positions, corresponding to the short reinforcing rib end plate, of the steel plate;
C. and connecting the steel plates at the front side and the rear side with Lasen steel sheet piles through split bolts to form the crown beam.
4. A cross-section adjustment method according to claim 3, characterized in that: the long reinforcing ribs and the short reinforcing ribs are arranged on the steel plate on the same side at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393507.8A CN108118685B (en) | 2017-12-21 | 2017-12-21 | Larson steel sheet pile crown beam with adjustable section and section adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393507.8A CN108118685B (en) | 2017-12-21 | 2017-12-21 | Larson steel sheet pile crown beam with adjustable section and section adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108118685A CN108118685A (en) | 2018-06-05 |
| CN108118685B true CN108118685B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711393507.8A Active CN108118685B (en) | 2017-12-21 | 2017-12-21 | Larson steel sheet pile crown beam with adjustable section and section adjusting method thereof |
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| CN (1) | CN108118685B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115125961A (en) * | 2021-03-25 | 2022-09-30 | 江苏华岩建设有限公司 | Assembled concrete section steel combination beam and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967882A (en) * | 2010-08-26 | 2011-02-09 | 陕西建工集团第一建筑工程有限公司 | Construction method for controlling wall thickness by utilizing large formwork split bolts |
| CN202055373U (en) * | 2011-04-22 | 2011-11-30 | 上海江欢成建筑设计有限公司 | Combined structure of double-steel-plate sandwich concrete wall and square steel tube concrete |
| JP2015140517A (en) * | 2014-01-27 | 2015-08-03 | 新日鐵住金株式会社 | steel sheet pile foundation structure |
| JP2015168995A (en) * | 2014-03-07 | 2015-09-28 | 新日鐵住金株式会社 | Combined steel sheet pile, steel sheet pile wall and construction method of combined steel sheet pile |
| CN205617614U (en) * | 2016-05-10 | 2016-10-05 | 天津城建大学 | Ram soil matrix composite wall and template device that adopts in construction thereof |
| CN206174456U (en) * | 2016-11-18 | 2017-05-17 | 青岛东捷建设工程有限公司 | Template system with adjustable be used for pouring fast precast lintel |
| CN106703045A (en) * | 2017-03-14 | 2017-05-24 | 上海强劲地基工程股份有限公司 | Assembled type crown beam, surrounding purlin and waist beam structure |
| CN207934015U (en) * | 2017-12-21 | 2018-10-02 | 上海市政工程设计研究总院（集团）有限公司 | A kind of Larsen steel sheet pile Guan Liang in adjustable section |
-
2017
- 2017-12-21 CN CN201711393507.8A patent/CN108118685B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967882A (en) * | 2010-08-26 | 2011-02-09 | 陕西建工集团第一建筑工程有限公司 | Construction method for controlling wall thickness by utilizing large formwork split bolts |
| CN202055373U (en) * | 2011-04-22 | 2011-11-30 | 上海江欢成建筑设计有限公司 | Combined structure of double-steel-plate sandwich concrete wall and square steel tube concrete |
| JP2015140517A (en) * | 2014-01-27 | 2015-08-03 | 新日鐵住金株式会社 | steel sheet pile foundation structure |
| JP2015168995A (en) * | 2014-03-07 | 2015-09-28 | 新日鐵住金株式会社 | Combined steel sheet pile, steel sheet pile wall and construction method of combined steel sheet pile |
| CN205617614U (en) * | 2016-05-10 | 2016-10-05 | 天津城建大学 | Ram soil matrix composite wall and template device that adopts in construction thereof |
| CN206174456U (en) * | 2016-11-18 | 2017-05-17 | 青岛东捷建设工程有限公司 | Template system with adjustable be used for pouring fast precast lintel |
| CN106703045A (en) * | 2017-03-14 | 2017-05-24 | 上海强劲地基工程股份有限公司 | Assembled type crown beam, surrounding purlin and waist beam structure |
| CN207934015U (en) * | 2017-12-21 | 2018-10-02 | 上海市政工程设计研究总院（集团）有限公司 | A kind of Larsen steel sheet pile Guan Liang in adjustable section |
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| Publication number | Publication date |
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| CN108118685A (en) | 2018-06-05 |
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