CN111139829A - Buckling-restrained replaceable steel pile sleeve - Google Patents
Buckling-restrained replaceable steel pile sleeve Download PDFInfo
- Publication number
- CN111139829A CN111139829A CN202010016088.1A CN202010016088A CN111139829A CN 111139829 A CN111139829 A CN 111139829A CN 202010016088 A CN202010016088 A CN 202010016088A CN 111139829 A CN111139829 A CN 111139829A
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- China
- Prior art keywords
- steel pile
- sleeve
- buckling
- restrained
- replaceable
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a buckling-restrained replaceable steel pile sleeve, and belongs to the technical field of foundation treatment. During engineering construction, the foundation needs to be reinforced, and at this time, pile planting is usually performed. When the steel pile is used, the axial force of pressing the steel pile into the steel pile can cause the steel pile to be bent in the pile planting process due to the overlong pile length, so that the steel pile cannot be driven into the steel pile or the performance of the steel pile is reduced. The invention provides a buckling-restrained replaceable steel pile sleeve which comprises an outer sleeve, a buckling-restrained replaceable sleeve core, a connecting sleeve, a fixing bolt, a bolt hole, a limiting thread, a limiting bolt hole and a limiting bolt. Different cylinder cores can be selected according to different types of the steel piles. In the construction process, the buckling-restrained replaceable steel pile sleeve covers and wraps the part of the steel pile exposed above the ground, so that the steel pile can be prevented from buckling. The invention has simple structure and convenient operation, achieves the aim of preventing buckling through physical restraint, and has good safety and durability.
Description
Technical Field
The invention relates to the technical field of foundation treatment, in particular to a buckling-restrained replaceable steel pile sleeve.
Background
In the current field of foundation treatment, a pile foundation is a very common foundation type, and pile foundations can be divided into common reinforced concrete piles, wood piles, steel piles and the like according to material categories. When the construction is carried out, the pile foundation needs to be driven into the soil, and the pile is generally planted through manual operation or a pile planting machine.
The buckling may be caused due to the overlong length of the steel pile exposed outside the ground in the pile planting process of the steel pile, and the buckling may occur to the steel pile due to the axial force of the pressed steel pile in the pile planting process, so that the steel pile cannot be driven into the ground or the performance of the steel pile cannot be reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the buckling-restrained replaceable steel pile sleeve which is simple in structure and can prevent the steel pile from buckling. The buckling of various different types of steel piles can be prevented. The invention limits the buckling of the steel pile and the condition of uneven stress through physical action, achieves the aim of buckling prevention and reduces construction errors.
The technical scheme adopted by the invention for solving the technical problems is as follows: a buckling-restrained replaceable steel pile sleeve mainly comprises an outer sleeve and a replaceable barrel core, wherein the outer sleeve and the replaceable barrel core are made of Q235, Q345 and other steel materials.
The utility model provides a removable piling bar sleeve of buckling restrained, mainly includes outside sleeve, the removable section of thick bamboo core of buckling restrained, connecting sleeve, fixing bolt hole, anti-skidding screw thread, spacing bolt hole, spacing bolt.
The buckling-restrained replaceable steel pile sleeve is arranged in sections, and after the part of the steel pile exposed out of the ground is wrapped by the buckling-restrained replaceable steel pile sleeve of a plurality of sections, a section of steel pile is left on the upper part of the buckling-restrained replaceable steel pile sleeve without being wrapped by the sleeve; when adopting artifical stake or planting stake machine and exerting pressure at the steel pile top, the steel pile is pressed into the underground down along the space of the removable section of thick bamboo core of buckling restrained, and every time the steel pile presses to exposing sleeve length 20cm, just withdraws a section of the removable steel pile sleeve of buckling restrained until the steel pile design elevation of impressing.
The clearance between the outer sleeve and the buckling-restrained replaceable barrel core is 5mm or 1cm, so that the buckling-restrained replaceable barrel core can be replaced conveniently; the cross point of the transverse central line and the vertical one-third line of each surface of the outer sleeve is provided with a limiting bolt hole, the outer sleeve and the buckling-restrained replaceable barrel core are fixed through a limiting bolt matched with the limiting bolt hole, the limiting bolt is screwed to be in contact with the anti-skid thread, the position of the buckling-restrained replaceable barrel core is limited, and the buckling-restrained replaceable barrel core and the outer sleeve are prevented from being dislocated.
The outer surface of the upper end of the outer sleeve is provided with anti-skidding threads with the width of 20 cm-30 cm, so that the two sections of buckling-restrained replaceable steel pile sleeves cannot slide when connected.
When the basis is under construction, when using and planting stake machine or artifical the stake of planting, in order to deal with different piling bar types, for example I-shaped steel, channel-section steel etc. can reach the effect that prevents that different piling bars from taking place the bucking through changing the removable section of thick bamboo core of buckling prevention.
The non-adhesive Teflon coating is arranged on the inner side of the buckling-restrained replaceable barrel core, and the influence of friction force is reduced when the steel pile is inserted. The anti-skid thread with the width of 20-30 cm is arranged at the transverse center line of the outer side of the buckling-restrained replaceable barrel core and works together with the limiting bolt to prevent the buckling-restrained replaceable barrel core and the outer side sleeve from being dislocated.
The thickness of the connecting sleeve is consistent with that of the outer sleeve; the upper side of the connecting sleeve is connected with the position, 20 cm-30 cm away from the bottom, of the lower side of the outer sleeve through welding, the total height of the connecting sleeve is 40 cm-60 cm, the remaining 20 cm-30 cm is connected with the lower buckling-restrained replaceable steel pile sleeve, and therefore the two buckling-restrained replaceable steel pile sleeves can be connected into a firm whole.
Each surface of the connecting sleeve is 10 cm-15 cm away from the lower part and a vertical central line, a fixing bolt hole is formed in the fixing bolt hole, the fixing bolt hole is fixed with the buckling-restrained replaceable steel pile sleeve of other sections through a fixing bolt (4) matched with the fixing bolt hole, the fixing bolt is screwed, the fixing bolt is in contact with the anti-skidding threads, the two buckling-restrained replaceable steel pile sleeves are locked, and the two buckling-restrained replaceable steel pile sleeves are prevented from being dislocated or falling off during construction.
Compared with the prior art, the invention has the advantages that: (1) the buckling-restrained replaceable steel pile sleeve is simple in structure, achieves the buckling-restrained effect through simple physical action, is convenient to understand and operate; (2) the buckling-restrained replaceable steel pile sleeve is connected with other sections of buckling-restrained replaceable steel pile sleeves through the fixing bolts, can be adjusted according to different pile lengths, and is simple and convenient to construct; (3) the utility model provides a removable piling bar sleeve of buckling restrained, structural durability is high, can use for a long time with low costs, and each spare part and accessory all can be at mill's prefabricated processing, all can replace the maintenance, and is economical reasonable. Therefore, the buckling-restrained replaceable steel pile sleeve has the advantages of low cost, relatively simple structure, convenience in maintenance and replacement, high safety factor and high structural durability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an overall schematic view of a buckling restrained replaceable steel pile sleeve;
FIG. 2 is a replaceable H-shaped steel buckling-restrained core;
FIG. 3 is a channel steel buckling-restrained replaceable cartridge;
fig. 4 is a construction schematic diagram of a buckling restrained replaceable steel pile sleeve.
Wherein: 1. the anti-buckling anti-skidding connecting device comprises an outer sleeve, 2 anti-buckling replaceable barrel cores, 3 connecting sleeves, 4 fixing bolts, 5 fixing bolt holes, 6 anti-skidding threads, 7 limiting bolt holes, 8 limiting bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic view of the overall structure of a buckling restrained replaceable steel pile sleeve according to the present invention. As shown in fig. 1, the buckling-restrained replaceable steel pile sleeve mainly comprises an outer sleeve 1, a buckling-restrained replaceable sleeve core 2, a connecting sleeve 3, a fixing bolt 4, a fixing bolt hole 5, an anti-skid thread 6, a limiting bolt hole 7 and a limiting bolt 8. The outer sleeve 1 is provided with a limit bolt hole 7 and a limit bolt 8; the buckling-restrained replaceable barrel core 2 is provided with an anti-skidding thread 6 and a limiting bolt 8 which work together and are used for limiting the positions of the outer sleeve 1 and the buckling-restrained replaceable barrel core 2. The connecting sleeve 3 is provided with a fixing bolt 4 and a fixing bolt hole 5; the anti-skidding threads 6 on the outer sleeve 1 work together with the fixing bolt 5 to restrain the positions of the two sections of buckling-restrained replaceable steel pile sleeves and prevent dislocation or falling. When the buckling-restrained replaceable steel pile sleeve works, the buckling-restrained barrel is formed by mutually connecting a plurality of sections of buckling-restrained replaceable steel pile sleeves, so that buckling of the steel pile under stress when the pile is planted is prevented. The invention relates to a buckling-restrained replaceable steel pile sleeve, which comprises the following construction steps:
(1) as shown in fig. 1, welding the upper end of a prefabricated connecting sleeve 3 with the lower end of an outer sleeve 1 by 20-30 cm; and a limiting bolt hole 7 is arranged at the intersection of the transverse center line and the vertical one-third line of each surface of the outer sleeve 1.
(2) As shown in figure 1, a fixed bolt hole 5 is arranged on each surface of the connecting sleeve 3 at a position which is 10-15 cm away from the lower part and at the vertical center line.
(3) As shown in fig. 4, placing a buckling-restrained replaceable barrel core 2 prefabricated in a factory into an outer sleeve 1, and screwing a limiting bolt 8; connecting the multi-section buckling-restrained replaceable steel pile sleeves together, and screwing the fixing bolts 4; and inserting the protruding part of the connecting sleeve 3 of the first section of sleeve into soil, and inserting the steel pile into a structure formed by the multi-section buckling-restrained replaceable steel pile sleeves for construction.
When the buckling-restrained replaceable steel pile sleeve disclosed by the invention works, the buckling-restrained replaceable sleeve core can limit the displacement of the steel pile, so that the buckling-restrained aim is achieved.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a removable piling bar sleeve of buckling restrained, mainly includes outside sleeve (1), the removable section of thick bamboo core of buckling restrained (2), connecting sleeve (3), fixing bolt (4), fixing bolt hole (5), anti-skidding screw thread (6), spacing bolt hole (7), spacing bolt (8), its characterized in that: this removable steel pile sleeve of buckling restrained is the segmental setting, and the steel pile exposes the back that the part on ground was wrapped up in by the removable steel pile sleeve cover of buckling restrained of a plurality of segments, and its upper portion is kept somewhere one section steel pile and need not be wrapped up in with this sleeve cover, impresses the steel pile underground, and every time the steel pile presses to exposing sleeve length 20cm, just withdraws a section removable steel pile sleeve of buckling restrained until the steel pile design elevation of impressing.
2. The buckling restrained replaceable steel pile sleeve as claimed in claim 1, wherein: the clearance between the outer sleeve (1) and the buckling-restrained replaceable barrel core (2) is 5mm or 1 cm; limiting bolt holes (7) are formed in the intersection points of the transverse center line and the vertical one-third line of each surface of the outer sleeve (1), and the outer sleeve (1) and the buckling-restrained replaceable barrel core (2) are fixed through the limiting bolts (8) matched with the limiting bolt holes.
3. The buckling restrained replaceable steel pile sleeve as claimed in claim 1, wherein: the outer surface of the upper end of the outer sleeve (1) is provided with an anti-skid thread (6) with the width of 20 cm-30 cm.
4. The buckling restrained replaceable steel pile sleeve as claimed in claim 1, wherein: the buckling-restrained replaceable barrel core (2) can be changed into different shapes according to the type of a steel pile, the inner side of the buckling-restrained replaceable barrel core (2) is provided with a non-adhesive coating Teflon coating, and the transverse center line of the outer side of the buckling-restrained replaceable barrel core (2) is provided with an anti-skidding thread (6) with the width of 20 cm-30 cm.
5. The buckling restrained replaceable steel pile sleeve as claimed in claim 1, wherein: the thickness of the connecting sleeve (3) is consistent with that of the outer sleeve (1); the upper side of the connecting sleeve (3) is connected with the lower side of the outer sleeve (1) at a position 20 cm-30 cm away from the bottom by welding, and the total height of the connecting sleeve (3) is 40 cm-60 cm.
6. The buckling restrained replaceable steel pile sleeve as claimed in claim 1, wherein: each surface of the connecting sleeve (3) is 10-15 cm away from the lower part and a vertical center line is provided with a fixing bolt hole (5), and the connecting sleeve is fixed with the buckling-restrained replaceable steel pile sleeves of other sections through a fixing bolt (4) matched with the connecting bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016088.1A CN111139829A (en) | 2020-01-07 | 2020-01-07 | Buckling-restrained replaceable steel pile sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016088.1A CN111139829A (en) | 2020-01-07 | 2020-01-07 | Buckling-restrained replaceable steel pile sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111139829A true CN111139829A (en) | 2020-05-12 |
Family
ID=70523969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010016088.1A Pending CN111139829A (en) | 2020-01-07 | 2020-01-07 | Buckling-restrained replaceable steel pile sleeve |
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| Country | Link |
|---|---|
| CN (1) | CN111139829A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948024A (en) * | 2020-08-31 | 2020-11-17 | 华南理工大学 | Steel plate local buckling test device with vertical limiting function and test method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656940A1 (en) * | 1976-12-16 | 1978-06-29 | Hochtief Ag Hoch Tiefbauten | Guide frame for pile driving - has external and internal telescopic sections guiding progressively driven pile row |
| CN204040035U (en) * | 2014-06-24 | 2014-12-24 | 中国建筑第八工程局有限公司 | A kind of positioning guiding structure of steel pile casting |
| CN104797758A (en) * | 2012-10-11 | 2015-07-22 | Ihc海洋钢铁有限公司 | Pile guide |
| CN206070521U (en) * | 2016-09-23 | 2017-04-05 | 广州市建筑科学研究院新技术开发中心有限公司 | A kind of ring cylinder-wall system |
| CN106567383A (en) * | 2016-11-09 | 2017-04-19 | 中交路桥建设有限公司 | Movable type lowering frame and lowering method for heavy reinforcement cages |
| CN211646395U (en) * | 2020-01-07 | 2020-10-09 | 南京林业大学 | Buckling-restrained replaceable steel pile sleeve |
-
2020
- 2020-01-07 CN CN202010016088.1A patent/CN111139829A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656940A1 (en) * | 1976-12-16 | 1978-06-29 | Hochtief Ag Hoch Tiefbauten | Guide frame for pile driving - has external and internal telescopic sections guiding progressively driven pile row |
| CN104797758A (en) * | 2012-10-11 | 2015-07-22 | Ihc海洋钢铁有限公司 | Pile guide |
| CN204040035U (en) * | 2014-06-24 | 2014-12-24 | 中国建筑第八工程局有限公司 | A kind of positioning guiding structure of steel pile casting |
| CN206070521U (en) * | 2016-09-23 | 2017-04-05 | 广州市建筑科学研究院新技术开发中心有限公司 | A kind of ring cylinder-wall system |
| CN106567383A (en) * | 2016-11-09 | 2017-04-19 | 中交路桥建设有限公司 | Movable type lowering frame and lowering method for heavy reinforcement cages |
| CN211646395U (en) * | 2020-01-07 | 2020-10-09 | 南京林业大学 | Buckling-restrained replaceable steel pile sleeve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948024A (en) * | 2020-08-31 | 2020-11-17 | 华南理工大学 | Steel plate local buckling test device with vertical limiting function and test method thereof |
| CN111948024B (en) * | 2020-08-31 | 2024-04-26 | 华南理工大学 | Steel plate local buckling test device with vertical limiting function and test method thereof |
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