CN106284366A - External pulling type Larsen steel sheet pile reinforcement means - Google Patents
External pulling type Larsen steel sheet pile reinforcement means Download PDFInfo
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- CN106284366A CN106284366A CN201510267671.9A CN201510267671A CN106284366A CN 106284366 A CN106284366 A CN 106284366A CN 201510267671 A CN201510267671 A CN 201510267671A CN 106284366 A CN106284366 A CN 106284366A
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- sheet pile
- steel sheet
- foundation ditch
- outward
- larsen steel
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Abstract
A kind of external pulling type Larsen steel sheet pile reinforcement means, it is characterized in that comprising the following steps: a surveying setting-out, b foundation ditch Larsen steel sheet pile and Larsen steel sheet pile pile sinking outward, c foundation ditch H profile steel encloses purlin channel-section steel support (8) welding, d, setting up foundation ditch H profile steel and enclose purlin and draw outward H profile steel to enclose purlin, e is in foundation ditch Larsen steel sheet pile and screwing steel bars inserting hole and f preprocessing and arrange and draw reinforcing bar (5) outward on Larsen steel sheet pile outward.The external pulling type Larsen steel sheet pile reinforcement means of the present invention has Larsen steel sheet pile bracing means simple in construction, easy to make, the construction of Larsen steel sheet pile bracing means is simple, pit maintenance soil effect is notable, Larsen steel sheet pile bracing means low cost and the advantage reducing engineering cost.
Description
Technical field
The present invention relates to the stake reinforcement means in a kind of civil engineering, specifically, be a kind of external pulling type Larsen steel sheet pile reinforcement means.
Background technology
The architectural engineering of current major part is equipped with hypogee, and part base pit engineering uses Larsen steel sheet pile to carry out foundation pit enclosure.The bracing reinforcement method that Larsen steel sheet pile commonly uses is that steel construction encloses purlin support system, carries out steel construction and support mutually or use foundation ditch inner concrete structure to carry out steel structure support for closing on the strong point between dependence Larsen steel sheet pile.But part engineering can not carry out the situation of inner support reinforcement measure owing to cause specific exists.
The most known Larsen steel sheet pile inner support mode also exists above-mentioned all inconvenience and problem.
Summary of the invention
The purpose of the present invention, is to propose a kind of external pulling type Larsen steel sheet pile reinforcement means expanding Larsen steel sheet pile maintenance measure.
It is another object of the present invention to propose a kind of external pulling type Larsen steel sheet pile reinforcement means ensureing that deep pit monitor, easy construction, engineering cost are relatively low.
For achieving the above object, the technical solution of the present invention is:
A kind of external pulling type Larsen steel sheet pile reinforcement means, it is characterised in that comprise the following steps:
A, surveying setting-out
Spill gray line according to site plan and determine foundation ditch Larsen steel sheet pile and Larsen steel sheet pile pile sinking stake position outward, to foundation ditch Larsen steel sheet pile and Larsen steel sheet pile unwrapping wire outward, two row's foundation ditch Larsen steel sheet piles are parallel with Larsen steel sheet pile outward to make foundation ditch Larsen steel sheet pile ensure with Larsen steel sheet pile unwrapping wire outward, and are each located on an axis；Distance between foundation ditch Larsen steel sheet pile and outward Larsen steel sheet pile determines according to foundation pit enclosure design；
B, foundation ditch Larsen steel sheet pile and Larsen steel sheet pile pile sinking outward
Crawler type vibration hammer stake machine is provided, strengthens during injection Larsen steel sheet pile measuring work, find, adjust in time, for ensureing that pitching pile closes up smoothly, it is desirable to pile body is vertical；Alignment steel sheet pile and the fore shaft of guide pile, be pressed onto the degree of depth of the wanted inserted to play of stake by vibration hammer and stake deadweight；Foundation ditch Larsen steel sheet pile is identical with the pile sinking degree of depth of Larsen steel sheet pile outward, and determines according to foundation pit enclosure design；
C, foundation ditch H profile steel enclose the welding of purlin channel-section steel support
Earth excavation to foundation ditch H profile steel enclosed purlin and draws outward H profile steel to enclose purlin position, prefabricated vee gutter steel bracket being arranged one by every 2 meters and is not less than 8mm with the foundation ditch vertical full weld of Larsen steel sheet pile, throat thickness；Upper plane one end of vee gutter steel bracket is welded and fixed with foundation ditch Larsen steel sheet pile, the upper plane making vee gutter steel bracket is vertical with foundation ditch Larsen steel plate, and the other end of the upper plane of vee gutter steel bracket is welded and fixed by diagonal brace channel-section steel is oblique with foundation ditch Larsen steel sheet pile；
D, erection foundation ditch H profile steel are enclosed purlin and draw outward H profile steel to enclose purlin
With crane, foundation ditch H profile steel is enclosed purlin to winch to foundation ditch H profile steel and enclose on the vee gutter steel bracket of purlin plane and Larsen steel sheet pile outer fix outward, place reliable, use spot welding that foundation ditch H profile steel is enclosed purlin to weld with foundation ditch Larsen steel sheet pile, drawing H profile steel to enclose purlin outside and to weld with Larsen steel sheet pile outward, welding is as the criterion not fall off；Draw outward H profile steel to enclose purlin to be arranged on the soil body of foundation ditch top；
E, at foundation ditch Larsen steel sheet pile and screwing steel bars inserting hole on Larsen steel sheet pile outward
At foundation ditch Larsen steel sheet pile with determine that outward some reinforcing bars intert a some position, carry out mark with identification pencil, use oxygen-acetylene to burn steel plate pore-forming, it is ensured that same reinforcing bar inserting hole position is on same straight line when freezing on Larsen steel sheet pile；
F, preprocessing and arrange and outer draw reinforcing bar
Reinforcing bar will be drawn outside prefabricated diameter 25mm, draw outward reinforcing bar to enclose purlin from foundation ditch H profile steel and foundation ditch Larsen steel sheet pile reinforcing bar inserting hole passes, up through Larsen steel sheet pile outward with draw outward H profile steel to enclose purlin, the one end drawing outward reinforcing bar is provided with 90 ° of bendings, bending segment length 200mm, and enclose the inner side Plate Welding of purlin with foundation ditch H profile steel and fix, draw outward the other end of reinforcing bar to be provided with mantle fiber, H profile steel is drawn to enclose the outside fastening of purlin, tension foundation ditch Larsen steel sheet pile and outward Larsen steel sheet pile outside with high-strength hexagonal (hexagon)nut and packing ring；Every 5 foundation hole Larsen steel sheet piles compositions one go along with sb. to guard him reinforcement elements, each reinforcement elements with draw outside five reinforcing bar with by 2 outward Larsen steel sheet pile form and draw reinforcement elements to be connected outside one to tighten；Draw outward reinforcing bar with draw outward reinforcement elements every one piece of foundation ditch Larsen steel sheet pile carry out jump stake be connected.
The external pulling type Larsen steel sheet pile reinforcement means of the present invention can also be further achieved by the following technical measures.
Aforesaid method, in wherein said step c, diagonal brace channel-section steel is 28b channel-section steel.
Aforesaid method, in wherein said step f, nut is the high-strength hexagonal (hexagon)nut of M22, uses double nut；Packing ring is the packing ring that 100X100X10mm steel plate makes.
Aforesaid method, wherein said foundation ditch H profile steel is enclosed purlin and is used H400X400X13X21 shaped steel to set up.
Aforesaid method, wherein said outer draws H profile steel to enclose purlin to use H400X400X13X21 shaped steel to set up.
After using technique scheme, the external pulling type Larsen steel sheet pile reinforcement means of the present invention has the advantage that
1, Larsen steel sheet pile bracing means simple in construction, easy to make；
2, the construction of Larsen steel sheet pile bracing means is simple, and pit maintenance soil effect is notable；
3, Larsen steel sheet pile bracing means low cost, reduces engineering cost.
Accompanying drawing explanation
Fig. 1 is the external pulling type Larsen steel sheet pile site plan of the embodiment of the present invention；
Fig. 2 is the A-A sectional view in Fig. 1.
In figure: 1 foundation ditch, 2 foundation ditch sidelines, 3 foundation ditch H profile steel enclose purlin, 4 foundation ditch Larsen steel sheet piles, draw reinforcing bar outside 5, and Larsen steel sheet pile outside 6 draws H profile steel to enclose purlin outside 7,8 channel-section steel supports, 9 high-strength bolts.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
The external pulling type Larsen steel sheet pile reinforcement means of the present invention, it is characterised in that comprise the following steps:
Referring now to the external pulling type Larsen steel sheet pile site plan that Fig. 1 and Fig. 2, Fig. 1 are the embodiment of the present invention, Fig. 2 is the A-A sectional view in Fig. 1.
A, surveying setting-out
Spill gray line according to site plan and determine foundation ditch Larsen steel sheet pile and Larsen steel sheet pile pile sinking stake position outward, to foundation ditch Larsen steel sheet pile and Larsen steel sheet pile unwrapping wire outward, two row's foundation ditch Larsen steel sheet piles 4 are parallel with Larsen steel sheet pile 6 outward to make foundation ditch Larsen steel sheet pile 4 ensure with Larsen steel sheet pile 6 unwrapping wire outward, and are each located on an axis；Distance between foundation ditch Larsen steel sheet pile (4) and outward Larsen steel sheet pile 6 determines according to foundation pit enclosure design；
B, foundation ditch Larsen steel sheet pile and Larsen steel sheet pile pile sinking outward
Crawler type vibration hammer stake machine is provided, strengthens during injection Larsen steel sheet pile measuring work, find, adjust in time, for ensureing that pitching pile closes up smoothly, it is desirable to pile body is vertical；Alignment steel sheet pile and the fore shaft of guide pile, be pressed onto the degree of depth of the wanted inserted to play of stake by vibration hammer and stake deadweight；Foundation ditch Larsen steel sheet pile is identical with the pile sinking degree of depth of Larsen steel sheet pile outward, and determines according to foundation pit enclosure design；
C, foundation ditch H profile steel are enclosed purlin channel-section steel support 8 and are welded
Earth excavation to foundation ditch H profile steel enclosed purlin 3 and draws outward H profile steel to enclose purlin 7 position, prefabricated vee gutter steel bracket 8 being arranged one by every 2 meters and is not less than 8mm with the foundation ditch Larsen steel sheet pile 4 vertical full weld of steel sheet pile, throat thickness；Upper plane one end of vee gutter steel bracket 8 is welded and fixed with foundation ditch Larsen steel sheet pile, the upper plane making vee gutter steel bracket 8 is vertical with foundation ditch Larsen steel plate, and the other end of the upper plane of vee gutter steel bracket 8 is welded and fixed by diagonal brace channel-section steel is oblique with foundation ditch Larsen steel sheet pile；Diagonal brace channel-section steel is 28b channel-section steel.
D, erection foundation ditch H profile steel are enclosed purlin and draw outward H profile steel to enclose purlin
With crane, foundation ditch H profile steel is enclosed purlin to winch to foundation ditch H profile steel and enclose on the vee gutter steel bracket of purlin plane and Larsen steel sheet pile outer fix outward, place reliable, use spot welding that foundation ditch H profile steel is enclosed purlin to weld with foundation ditch Larsen steel sheet pile, drawing H profile steel to enclose purlin outside and to weld with Larsen steel sheet pile outward, welding is as the criterion not fall off；Draw outward H profile steel to enclose purlin to be arranged on the soil body of foundation ditch top；
E, at foundation ditch Larsen steel sheet pile and screwing steel bars inserting hole on Larsen steel sheet pile outward
At foundation ditch Larsen steel sheet pile with determine that outward some reinforcing bars intert a some position, carry out mark with identification pencil, use oxygen-acetylene to burn steel plate pore-forming, it is ensured that same reinforcing bar inserting hole position is on same straight line when freezing on Larsen steel sheet pile；
F, preprocessing and arrange and outer draw reinforcing bar 5
Reinforcing bar 5 will be drawn outside prefabricated diameter 25mm, draw outward reinforcing bar to enclose purlin 3 from foundation ditch H profile steel and foundation ditch Larsen steel sheet pile 4 reinforcing bar inserting hole passes, up through Larsen steel sheet pile 6 outward with draw outward H profile steel to enclose purlin 7, the one end drawing outward reinforcing bar is provided with 90 ° of bendings, bending segment length 200mm, and enclose the inner side Plate Welding of purlin 3 with foundation ditch H profile steel and fix, the other end drawing outward reinforcing bar is provided with mantle fiber, H profile steel is drawn to enclose the outside fastening of purlin, tension foundation ditch Larsen steel sheet pile 4 and outward Larsen steel sheet pile 6 outside with high-strength hexagonal (hexagon)nut and packing ring；Every 5 foundation hole Larsen steel sheet piles 4 form and go along with sb. to guard him reinforcement elements, each reinforcement elements with draw outside five reinforcing bar 5 with by 2 outward Larsen steel sheet pile 6 form and outside one, draw reinforcement elements to be connected；Draw outward reinforcing bar 5 with draw outward reinforcement elements every one piece of foundation ditch Larsen steel sheet pile 4 carry out jump stake be connected.Nut is the high-strength hexagonal (hexagon)nut of M22, uses double nut to tighten；Packing ring is the packing ring that 100X100X10mm steel plate makes.Described foundation ditch H profile steel is enclosed purlin and is used H400X400X13X21 shaped steel to set up.Drawing H profile steel to enclose purlin outside described also uses H400X400X13X21 shaped steel to set up.
The present invention has substantive distinguishing features and significant technological progress; the external pulling type Larsen steel sheet pile reinforcement means of the present invention solves the problem that Larsen steel sheet pile cannot use inner support system; reinforcement measure uses new method; expand the range of application that Larsen steel sheet pile is safeguarded; guarantee pit maintenance soil safety; construction technology is easy, and construction costs is relatively low.
Above example is used for illustrative purposes only, rather than limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change.Therefore, the technical scheme of all equivalents also should belong to scope of the invention, should be limited by each claim.
Claims (5)
1. an external pulling type Larsen steel sheet pile reinforcement means, it is characterised in that comprise the following steps:
A, surveying setting-out
Spill gray line according to site plan and determine foundation ditch Larsen steel sheet pile and Larsen steel sheet pile pile sinking stake position outward, to foundation ditch Larsen steel sheet pile and Larsen steel sheet pile unwrapping wire outward, make foundation ditch Larsen steel sheet pile (4) ensure that two rows' foundation ditch Larsen steel sheet pile (4) are parallel with Larsen steel sheet pile (6) outward with Larsen steel sheet pile (6) unwrapping wire outward, and be each located on an axis；Distance between foundation ditch Larsen steel sheet pile (4) and outward Larsen steel sheet pile (6) determines according to foundation pit enclosure design；
B, foundation ditch Larsen steel sheet pile and Larsen steel sheet pile pile sinking outward
Crawler type vibration hammer stake machine is provided, strengthens during injection Larsen steel sheet pile measuring work, find, adjust in time, for ensureing that pitching pile closes up smoothly, it is desirable to pile body is vertical；Alignment steel sheet pile and the fore shaft of guide pile, be pressed onto the degree of depth of the wanted inserted to play of stake by vibration hammer and stake deadweight；Foundation ditch Larsen steel sheet pile is identical with the pile sinking degree of depth of Larsen steel sheet pile outward, and determines according to foundation pit enclosure design；
C, foundation ditch H profile steel enclose purlin channel-section steel support (8) welding
Earth excavation to foundation ditch H profile steel enclosed purlin (3) and draws outward H profile steel to enclose purlin (7) position, prefabricated vee gutter steel bracket (8) being arranged one by every 2 meters and is not less than 8mm with the foundation ditch vertical full weld of Larsen steel sheet pile (4) steel sheet pile, throat thickness；Upper plane one end of vee gutter steel bracket (8) is welded and fixed with foundation ditch Larsen steel sheet pile, the upper plane making vee gutter steel bracket (8) is vertical with foundation ditch Larsen steel plate, and the other end of the upper plane of vee gutter steel bracket (8) is welded and fixed by diagonal brace channel-section steel is oblique with foundation ditch Larsen steel sheet pile；
D, erection foundation ditch H profile steel are enclosed purlin and draw outward H profile steel to enclose purlin
With crane, foundation ditch H profile steel is enclosed purlin to winch to foundation ditch H profile steel and enclose on the vee gutter steel bracket of purlin plane and Larsen steel sheet pile outer fix outward, place reliable, use spot welding that foundation ditch H profile steel is enclosed purlin to weld with foundation ditch Larsen steel sheet pile, drawing H profile steel to enclose purlin outside and to weld with Larsen steel sheet pile outward, welding is as the criterion not fall off；Draw outward H profile steel to enclose purlin to be arranged on the soil body of foundation ditch top；
E, at foundation ditch Larsen steel sheet pile and screwing steel bars inserting hole on Larsen steel sheet pile outward
At foundation ditch Larsen steel sheet pile with determine that outward some reinforcing bars intert a some position, carry out mark with identification pencil, use oxygen-acetylene to burn steel plate pore-forming, it is ensured that same reinforcing bar inserting hole position is on same straight line when freezing on Larsen steel sheet pile；
F, preprocessing and arrange and outer draw reinforcing bar (5)
Reinforcing bar (5) will be drawn outside prefabricated diameter 25mm, draw outward reinforcing bar to enclose purlin (3) from foundation ditch H profile steel and foundation ditch Larsen steel sheet pile (4) reinforcing bar inserting hole passes, up through Larsen steel sheet pile (6) outward with draw outward H profile steel to enclose purlin (7), the one end drawing outward reinforcing bar is provided with 90 ° of bendings, bending segment length 200mm, and enclose the inner side Plate Welding of purlin (3) with foundation ditch H profile steel and fix, the other end drawing outward reinforcing bar is provided with mantle fiber, H profile steel is drawn to enclose the outside fastening of purlin, tension foundation ditch Larsen steel sheet pile (4) and outward Larsen steel sheet pile (6) outside with high-strength hexagonal (hexagon)nut and packing ring；Every 5 foundation hole Larsen steel sheet pile (4) compositions one go along with sb. to guard him reinforcement elements, each reinforcement elements with draw outside five reinforcing bar (5) with by 2 outward Larsen steel sheet pile (6) form and outside one, draw reinforcement elements to be connected；Draw outward reinforcing bar (5) with draw outward reinforcement elements every one piece of foundation ditch Larsen steel sheet pile (4) carry out jump stake be connected.
2. external pulling type Larsen steel sheet pile reinforcement means as claimed in claim 1, it is characterised in that in described step c, diagonal brace channel-section steel is 28b channel-section steel.
3. external pulling type Larsen steel sheet pile reinforcement means as claimed in claim 1, it is characterised in that in described step f, nut is the high-strength hexagonal (hexagon)nut of M22, uses double nut；Packing ring is the packing ring that 100X100X10mm steel plate makes.
4. external pulling type Larsen steel sheet pile reinforcement means as claimed in claim 1, it is characterised in that described foundation ditch H profile steel is enclosed purlin (3) and used H400X400X13X21 shaped steel to set up.
5. external pulling type Larsen steel sheet pile reinforcement means as claimed in claim 1, it is characterised in that draw H profile steel to enclose purlin (7) outside described and use H400X400X13X21 shaped steel to set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510267671.9A CN106284366B (en) | 2015-05-25 | 2015-05-25 | External pulling type Larsen steel sheet pile reinforcement means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510267671.9A CN106284366B (en) | 2015-05-25 | 2015-05-25 | External pulling type Larsen steel sheet pile reinforcement means |
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| CN106284366A true CN106284366A (en) | 2017-01-04 |
| CN106284366B CN106284366B (en) | 2018-09-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090828A (en) * | 2017-05-23 | 2017-08-25 | 五冶集团上海有限公司 | A kind of Larsen steel sheet pile construction method for buried cable pipeline protection |
| CN108951440A (en) * | 2018-08-07 | 2018-12-07 | 中铁株洲桥梁有限公司 | The safeguard structure and protection construction method of existing roadbed in a kind of construction of extension culvert |
| CN110306563A (en) * | 2019-07-22 | 2019-10-08 | 中铁第一勘察设计院集团有限公司 | Steel purlin fall arrest conversion equipment |
| CN113123346A (en) * | 2021-04-16 | 2021-07-16 | 中国建筑第八工程局有限公司 | Fabricated anchor pulling node between support pile and wall section steel and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096102A (en) * | 2000-09-21 | 2002-04-02 | Nippon Steel Corp | Larsen steel sheet pile rolling method |
| JP2006063521A (en) * | 2004-08-24 | 2006-03-09 | Nippon Steel Corp | Steel sheet pile, its manufacturing method, its fitting structure, and cut-off method for steel sheet pile wall |
| CN101761068A (en) * | 2009-11-10 | 2010-06-30 | 同济大学 | Box-raft pressure-bearing type foundation underpinning and construction reinforcing method for tunnel across pile foundation of bridge above river |
| CN103981879A (en) * | 2014-06-03 | 2014-08-13 | 上海隧道工程股份有限公司 | Cofferdam structure and construction method thereof |
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2015
- 2015-05-25 CN CN201510267671.9A patent/CN106284366B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096102A (en) * | 2000-09-21 | 2002-04-02 | Nippon Steel Corp | Larsen steel sheet pile rolling method |
| JP2006063521A (en) * | 2004-08-24 | 2006-03-09 | Nippon Steel Corp | Steel sheet pile, its manufacturing method, its fitting structure, and cut-off method for steel sheet pile wall |
| CN101761068A (en) * | 2009-11-10 | 2010-06-30 | 同济大学 | Box-raft pressure-bearing type foundation underpinning and construction reinforcing method for tunnel across pile foundation of bridge above river |
| CN103981879A (en) * | 2014-06-03 | 2014-08-13 | 上海隧道工程股份有限公司 | Cofferdam structure and construction method thereof |
Non-Patent Citations (1)
| Title |
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| 魏富华等: "拉森钢板桩在黄浦江围堰中的应用", 《科技资讯》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090828A (en) * | 2017-05-23 | 2017-08-25 | 五冶集团上海有限公司 | A kind of Larsen steel sheet pile construction method for buried cable pipeline protection |
| CN108951440A (en) * | 2018-08-07 | 2018-12-07 | 中铁株洲桥梁有限公司 | The safeguard structure and protection construction method of existing roadbed in a kind of construction of extension culvert |
| CN110306563A (en) * | 2019-07-22 | 2019-10-08 | 中铁第一勘察设计院集团有限公司 | Steel purlin fall arrest conversion equipment |
| CN113123346A (en) * | 2021-04-16 | 2021-07-16 | 中国建筑第八工程局有限公司 | Fabricated anchor pulling node between support pile and wall section steel and construction method thereof |
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| Publication number | Publication date |
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| CN106284366B (en) | 2018-09-14 |
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