CN203530955U - Composite anchoring type pre-tensioning method prestressing high-strength concrete corrugated plate pile - Google Patents
Composite anchoring type pre-tensioning method prestressing high-strength concrete corrugated plate pile Download PDFInfo
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- CN203530955U CN203530955U CN201320644568.8U CN201320644568U CN203530955U CN 203530955 U CN203530955 U CN 203530955U CN 201320644568 U CN201320644568 U CN 201320644568U CN 203530955 U CN203530955 U CN 203530955U
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Abstract
The utility model relates to a composite anchoring type pre-tensioning method prestressing high-strength concrete corrugated plate pile. The composite anchoring type pre-tensioning method prestressing high-strength concrete corrugated plate pile is characterized by comprising a high-strength concrete corrugated plate pile body, the pile tip end and the pile top end, wherein the pile tip end and the pile top end are arranged at two ends of the body, a steel end head plate is arranged at the pile top end, an embedded anchoring part is arranged at the pile tip end, and prestressing main ribs connected between a hole group in the steel end head plate and the anchoring part are arranged in the high-strength concrete corrugated plate pile body. The composite anchoring type pre-tensioning method prestressing high-strength concrete corrugated plate pile is compositely anchored in two anchoring modes, prestress loss after the prestressing main ribs are cut off is effectively controlled, a prestressing value is effectively prevented from being reduced, good main rib anchoring effect can be played, and the bending resistance and anti-cracking performance is improved. In addition, the anchoring part is embedded into the pile body concrete and can be prevented from being eroded by a corrosive medium in a soil body. The steel end head plate is arranged at one end of the pile top, a pile head can be protected well, the hitting resistance performance is greatly improved, a phenomenon that the pile head is damaged due to fatigue stress in the construction process is decreased, and the project quality is ensured.
Description
technical field:
The utility model relates to the architectural exterior-protecting constructions, particularly a kind of compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile such as a kind of gear soil of field of civil engineering, bank protection.
background technology:
Current field of civil engineering, the architectural exterior-protecting construction form existing is more, and conventional provisional retaining support structure have: steel sheet pile, rail pile, H Section-steel Piles, three axle cement mixing pile diaphragm walls (stake of SMW engineering method), rotary churning pile, continuous wall, flat ripple stake, pre-stake and other engineering methods or the timber sheet piling etc. built; Permanent retaining support structure have: cast-in-place method diaphragm wall, gravity Reinforced Concrete Retaining Walls, cast-in-place bored pile, the prefabricated U-shaped sheet pile of pedestal method etc.
Traditional supporting and protection structure adopts the method for cast-in-site mostly, and the construction period is long, work efficiency is low, construction costs is high, working procedure is complicated, architecture quality is unstable.
On support engineering, there is the prefabricated U-shaped sheet pile that a kind of pedestal method is produced at home and abroad in recent years, because there is the advantages such as the native area of gear is large, pile body flexing resistance is good, construction organization is simple and easy, in part engineering, obtained application among a small circle.But because adopting fixedly punching block pedestal method, produces prefabricated U-shaped sheet pile, applying what adopt on prestressing techniques, be the pedestal end stretch-draw of fixing, the main muscle of its prestressing force exists technological deficiency on anchor type, goods maintenance reaches prestressing force and puts Zhang Shizhu muscle and must cut off, and the rear main muscle of prestressing force of cutting is because two ends do not arrange fixing anchor point, will inevitably produce certain amount of recovery, caused partial prestressing loss, effective prestress value reduces, thereby causes bending resistance, the shear behavior deficiency of pile body design.In addition, in hammering method construction pile driving process, the hammer impact power of hammer body directly acts on pile crown concrete; its end is not because there is no special-purpose metal guard member, and durable resistance is bad, makes its antifatigue damage capability poor; in injection, pile crown is very easily damaged, affects workmanship.
summary of the invention:
For the defect of existing product technology, the utility model provides a kind of compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile, to solve above-mentioned technical problem.
The utility model compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile, it is characterized in that: described waveform sheet pile comprises prestress high intensity concrete waveform sheet pile main body and is located at pile top end and the stake top at main body two ends, described stake top is provided with steel end plate, described pile top end is provided with built-in type anchoring piece, in described high-strength concrete waveform sheet pile main body body, is provided with the main muscle of prestressing force between the Kong Zuyu anchoring piece being connected on steel end plate.
Above-mentioned anchoring piece is a cylindrical body, is provided with for bearing the counterbore of the main muscle heading of prestressing force in one end of this cylindrical body, and the other end is provided with the stretch-draw screw with counterbore concentric.
The cross section of above-mentioned cylindrical body is a kind of in circle, triangle, quadrangle, hexagon or octagon.
Above-mentioned pile top end has pile top corner cut and pile top groove.
Above-mentioned steel end plate comprises that cross section is the main body of trapezoidal concavity and is located at the leg that body groove is pushed up both sides, and described two outside of foot correspondences are provided with fourth of the twelve Earthly Branches groove and the tenon cooperatively interacting, and described hole group is comprised of lead-over groove between stretch-draw screwed hole and main muscle heading hole and hole.
Above-mentioned two leg soffits parallel with pile body main body upper surface, and the relative pile body main body of described two leg upper surface upper surface tilts.
Above-mentioned stretch-draw screwed hole inwall has spiral tapping to be processed, and usings and penetrates hole use as the main muscle of prestressing force, also as the position, hole that is rotated with stretch-draw spiral shell tool, uses simultaneously, and Wei Zhujin termination, described main muscle heading hole connects the counterbore of use.
Above-mentioned hole group is located at respectively on the upper cross plate and two legs of main body, and the hole group line on upper cross plate is parallel with the hole group line being located on two legs.
In above-mentioned high-strength concrete waveform sheet pile main body body, along the main muscle direction of prestressing force, be arranged at intervals with stirrup.
The utility model compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile feature:
1. adopted two kinds of anchor types to carry out compound anchoring, effectively control the loss of prestress after the main muscle of prestressing force cuts off, effectively prevent that prestress value from reducing, not only can play good main muscle anchorage effect, and anchoring piece is embedded in the corrosion function that can avoid corrosive medium in the soil body in pile concrete.
2. the form of end plate anchoring not only can allow the main muscle of all prestressing force even tension in stretching process, and efficiently solves loss of prestress problem, avoids effective prestress value to reduce, and has improved pile body bending resistance and cracking resistance.
3. in one end, stake top, steel end plate is set, can protects better pile crown, greatly improved durable resistance, subdued the stressed disrepair phenomenon of pile crown fatigability in work progress, guaranteed workmanship.
4., after adopting the stirrup colligation of hot calendering round bar or electric welding fixing between the main muscle of prestressing force, form the reinforcing cage of waveform sheet pile.
5. according to engineering actual conditions, can use carbon-dioxide arc welding and end plate anchoring type waveform sheet pile to carry out the splicing of many pile sections, to meet the demand of piles with different position design length.
6. pile concrete design strength is C60-C80, can guarantee that pile crown and pile body have good compressive property.
accompanying drawing explanation:
Fig. 1 is the D structure schematic diagram at the utility model one visual angle;
Fig. 2 is the D structure schematic diagram at another visual angle of the utility model;
Fig. 3 is that the main muscle of the utility model reinforcing cage connects schematic perspective view with steel end plate and anchoring piece;
Fig. 4 a is anchoring piece generalized section;
Fig. 4 b is several embodiment front schematic view of anchoring piece;
Fig. 5 is steel end plate schematic perspective view;
Fig. 6 is the front view of hole group;
Fig. 7 is the sectional drawing in main muscle heading hole;
Fig. 8 is the sectional drawing that state is used in main muscle heading hole.
Fig. 9 is splicing schematic diagram in pile cross section after compound anchor stationary pretensioned prestressing high-strength concrete corrugated sheet pile driving construction.
the specific embodiment:
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below:
The utility model compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile, described waveform sheet pile comprises prestress high intensity concrete waveform sheet pile main body 2 and is located at pile top end 201 and the stake top 202 at main body two ends, described stake top is provided with steel end plate 1, described pile top end is provided with built-in type anchoring piece 3, is provided with hole group 4 and the main muscle 5 of the prestressing force between anchoring piece 3 being connected on steel end plate 1 in described high-strength concrete waveform sheet pile main body body.
The utility model has adopted two kinds of anchor types to carry out compound anchoring, effectively control the loss of prestress after the main muscle of prestressing force cuts off, effectively prevent that prestress value from reducing, not only can play good main muscle anchorage effect, improved pile body bending resistance and cracking resistance, and anchoring piece is embedded in the corrosion function that can avoid corrosive medium in the soil body in pile concrete.In one end, stake top, steel end plate is set, can protects better pile crown, greatly improved durable resistance, subdued the stressed disrepair phenomenon of pile crown fatigability in work progress, guaranteed workmanship.
For reasonable in design, above-mentioned anchoring piece 3 is a cylindrical body, is provided with for bearing the counterbore 301 of the main muscle heading of prestressing force in one end of this cylindrical body, and the other end is provided with the stretch-draw screw 302 with counterbore concentric.The cross section of above-mentioned cylindrical body is a kind of in circle, triangle, quadrangle, hexagon or octagon.
In order to design needs, above-mentioned pile top end has pile top corner cut 6 and pile top groove 7.
For reasonable in design, above-mentioned steel end plate 1 comprises that cross section is the main body 101 of trapezoidal concavity and is located at the leg 102 that body groove is pushed up both sides, described two outside of foot correspondences are provided with fourth of the twelve Earthly Branches groove 103 and the tenon 104 cooperatively interacting, and described hole group 4 is comprised of lead-over groove 403 between stretch-draw screwed hole 401 and 402Ji hole, main muscle heading hole.
Above-mentioned two leg soffits 105 parallel with pile body main body upper surface 106, and the relative pile body main body upper surface 106 of described two leg upper surface 107 tilts.
Above-mentioned stretch-draw screwed hole inwall has spiral tapping to be processed, and usings and penetrates hole use as the main muscle of prestressing force, also as the position, hole that is rotated with stretch-draw spiral shell tool, uses simultaneously, and Wei Zhujin termination, described main muscle heading hole connects the counterbore of use.
Above-mentioned hole group is located at respectively on the upper cross plate 108 and two legs 102 of main body, and the hole group line on upper cross plate is parallel with the hole group line being located on two legs.
In above-mentioned high-strength concrete waveform sheet pile main body body, along the main muscle direction of prestressing force, be arranged at intervals with stirrup 8.
The utility model compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile feature:
1, fabrication of reinforcing cage: the main muscle of prestressing force is cut off by the length high accuracy of design, distolateral being inserted in after an anchoring piece of pile top of the main muscle of each root, then by the main muscle of prestressing force two ends pressurization heading, being placed in special reinforcing bar and becoming permanent position on cage stand; By customized cut-off after the straightening of hot calendering round bar, be bent into the arched door type stirrup of setting, stirrup is on request fixed on the main muscle of prestressing force apart from electric welding or colligation, forms reinforcing cage.
2, anchoring piece is installed: anchoring piece must be inserted in before the main muscle pressurization of prestressing force heading; Fabrication of reinforcing cage completes and is placed in mould, and the main muscle heading position of pile top side is sunk in the heading hole of anchoring piece completely, and anchoring piece stretching end screws and connects with outside stretch-draw screw mandrel.
3, end plate is installed: after reinforcing cage is made, the main muscle of stake top side is penetrated to the stretch-draw screw of end plate, by link slot between hole, down buckle into heading hole, end plate integral body is pulled outwardly and is moved, main muscle heading is fully sunk in heading hole, re-use stretching screw and by stretch-draw screw, interior stretch board and end plate are carried out to machinery and screw.
4, dress mould and stretch-draw: the first stage is assembled into installs end plate, interior stretch board and anchoring piece, completes after first stage assembling, and reinforcing cage is packed in punching block.At pile top end, use locking spiral shell tool that anchoring piece traction corresponding to the main muscle of each root is fixed on mold fixed plate; On stake top, by interior stretch board extension rod with the preliminary pretension of tensioning nut on mold fixed plate, then by automatic switch device by limit mould co-bit, complete second stage assembling.After reinforcing cage and die assembly complete, on stake top, by tension rod, connect stretching machine main muscle is carried out to prestressed stretch-draw; Stretching force reaches after setting value, again screws tensioning nut, completes tension process.
5, concrete material cast and vibration moulding: after prestressed stretch-draw operation completes, concrete material after stirring is distributed in mould, during cloth, require to carry out high frequency formula vibration by a narrow margin according to technological standards, make concrete material evenly, moulding densely, to guarantee pile concrete structural strength.After cloth material process completes under normal temperature state the quiet maintenance 60-90 minute that stops, unitary mould is put into curing pool and is carried out high temperature steam curing again, according to steam curing process system, complete after curing period, unitary mould is hung and sent curing pool and all unclamp stretching fastening device with claiming.A unitary mould after putting is transported to assembling pedestal, adopts ad hoc automatic switch device to open limit mould, can take out finished product waveform sheet pile.
If 6, concrete strength of pile design grade need rise to C80, pile body must be sent into and in autoclave, carry out secondary autoclave curing, or adopt non-evaporating pressure concrete formulation technology.
The utility model compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile feature:
1. adopted two kinds of anchor types to carry out compound anchoring, effectively control the loss of prestress after the main muscle of prestressing force cuts off, effectively prevent that prestress value from reducing, not only can play good main muscle anchorage effect, and anchoring piece is embedded in the corrosion function that can avoid corrosive medium in the soil body in pile concrete.
2. the form of end plate anchoring not only can allow the main muscle of all prestressing force even tension in stretching process, and efficiently solves loss of prestress problem, avoids effective prestress value to reduce, and has improved pile body bending resistance and cracking resistance.
3. in one end, stake top, steel end plate is set, can protects better pile crown, greatly improved durable resistance, subdued the stressed disrepair phenomenon of pile crown fatigability in work progress, guarantee construction quality.
4., after adopting the stirrup colligation of hot calendering round bar or electric welding fixing between the main muscle of prestressing force, form the reinforcing cage of waveform sheet pile.
5. according to engineering actual conditions, can use carbon-dioxide arc welding and end plate anchoring type waveform sheet pile to carry out the splicing of many pile sections, to meet the demand of piles with different position design length.
6. pile concrete design strength is C60-C80, can guarantee that pile crown and pile body have good compressive property.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (9)
1. a compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile, it is characterized in that: described waveform sheet pile comprises prestress high intensity concrete waveform sheet pile main body and is located at pile top end and the stake top at main body two ends, described stake top is provided with steel end plate, described pile top end is provided with built-in type anchoring piece, in described high-strength concrete waveform sheet pile main body body, is provided with the main muscle of prestressing force between the Kong Zuyu anchoring piece being connected on steel end plate.
2. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 1, it is characterized in that: described anchoring piece is a cylindrical body, in one end of this cylindrical body, be provided with for bearing the counterbore of the main muscle heading of prestressing force, the other end is provided with the stretch-draw screw with counterbore concentric.
3. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 2, is characterized in that: a kind of in circle, triangle, quadrangle, hexagon or octagon of the cross section of described cylindrical body.
4. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 1, is characterized in that: described pile top end has pile top corner cut and pile top groove.
5. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 1, it is characterized in that: described steel end plate comprises that cross section is the main body of trapezoidal door shape and is located at the leg that body groove is pushed up both sides, described two outside of foot correspondences are provided with fourth of the twelve Earthly Branches groove and the tenon cooperatively interacting, and described hole group is comprised of lead-over groove between stretch-draw screwed hole and main muscle heading hole and hole.
6. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 5, is characterized in that: described two leg soffits parallel with pile body main body upper surface, and the relative pile body main body of described two leg upper surface upper surface tilts.
7. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 5, it is characterized in that: described stretch-draw screwed hole inwall has spiral tapping to be processed, using and penetrate hole use as the main muscle of prestressing force, also as the position, hole that is rotated with stretch-draw spiral shell tool, use, Wei Zhujin termination, described main muscle heading hole connects the counterbore of use simultaneously.
8. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 5, it is characterized in that: described hole group is located at respectively on the upper cross plate and two legs of main body, and the hole group line on upper cross plate is parallel with the hole group line being located on two legs.
9. compound anchor stationary pretensioned prestressing high-strength concrete waveform sheet pile according to claim 1, is characterized in that: in described high-strength concrete waveform sheet pile main body body, along the main muscle direction of prestressing force, be arranged at intervals with stirrup.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644568.8U CN203530955U (en) | 2013-10-19 | 2013-10-19 | Composite anchoring type pre-tensioning method prestressing high-strength concrete corrugated plate pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644568.8U CN203530955U (en) | 2013-10-19 | 2013-10-19 | Composite anchoring type pre-tensioning method prestressing high-strength concrete corrugated plate pile |
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| CN203530955U true CN203530955U (en) | 2014-04-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938614A (en) * | 2014-05-05 | 2014-07-23 | 张武 | Strengthening type prestressed concrete corrugated plate pile |
| CN105804053A (en) * | 2016-05-05 | 2016-07-27 | 上海大禺预制构件有限公司 | Performance-improved sheet pile shaped like Chinese character 'ji' |
| CN105908705A (en) * | 2016-06-23 | 2016-08-31 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated pretensioned prestressed underground continuous wall and construction method thereof |
| CN107059839A (en) * | 2017-05-02 | 2017-08-18 | 江苏东合南岩土科技股份有限公司 | A kind of construction method of armored concrete waveform sheet pile underground structure |
| CN117988322A (en) * | 2024-04-07 | 2024-05-07 | 启东霓辉新材料科技有限公司 | Environment-friendly U-shaped prestressed concrete sheet pile |
-
2013
- 2013-10-19 CN CN201320644568.8U patent/CN203530955U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938614A (en) * | 2014-05-05 | 2014-07-23 | 张武 | Strengthening type prestressed concrete corrugated plate pile |
| CN105804053A (en) * | 2016-05-05 | 2016-07-27 | 上海大禺预制构件有限公司 | Performance-improved sheet pile shaped like Chinese character 'ji' |
| CN105804053B (en) * | 2016-05-05 | 2017-11-17 | 上海大禺预制构件有限公司 | A few font sheet piles of improved properties |
| CN105908705A (en) * | 2016-06-23 | 2016-08-31 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated pretensioned prestressed underground continuous wall and construction method thereof |
| CN107059839A (en) * | 2017-05-02 | 2017-08-18 | 江苏东合南岩土科技股份有限公司 | A kind of construction method of armored concrete waveform sheet pile underground structure |
| CN107059839B (en) * | 2017-05-02 | 2019-01-04 | 江苏东合南岩土科技股份有限公司 | A kind of construction method of armored concrete waveform sheet pile underground structure |
| CN117988322A (en) * | 2024-04-07 | 2024-05-07 | 启东霓辉新材料科技有限公司 | Environment-friendly U-shaped prestressed concrete sheet pile |
| CN117988322B (en) * | 2024-04-07 | 2024-05-28 | 启东霓辉新材料科技有限公司 | Environment-friendly U-shaped prestressed concrete sheet pile |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN XINGHE BUILDING MATERIAL CO., LTD. Effective date: 20141114 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141114 Address after: 350300, 554, Cao village, Jiangyin Town, Fuqing, Fujian, Fuzhou Patentee after: Zhang Wu Patentee after: FUJIAN XINGHE BUILDING MATERIAL Co.,Ltd. Address before: 350300 No. 554 Cao village, Jiangyin Town, Fuqing, Fujian, Fuzhou Patentee before: Zhang Wu |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20211019 |