CN205024671U - Precast concrete pile - Google Patents
Precast concrete pile Download PDFInfo
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- CN205024671U CN205024671U CN201520646970.9U CN201520646970U CN205024671U CN 205024671 U CN205024671 U CN 205024671U CN 201520646970 U CN201520646970 U CN 201520646970U CN 205024671 U CN205024671 U CN 205024671U
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- concrete pile
- pile
- main muscle
- precast concrete
- stretch
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 30
- 210000003205 muscle Anatomy 0.000 claims abstract description 59
- 239000004567 concrete Substances 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000002787 reinforcement Effects 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 6
- 229910000754 Wrought iron Inorganic materials 0.000 abstract description 2
- 239000011241 protective layer Substances 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 239000011513 prestressed concrete Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a precast concrete pile belongs to concrete pile technical field for building. Precast concrete pile include concrete pile body and steel reinforcement cage, the steel reinforcement cage includes main muscle and stirrup, main muscle is prestressing force owner muscle, prestressing force owner muscle is steel strand wires. Precast concrete pile adopt steel strand wires be prestressing force owner muscle, compare prestressing force rod iron intensity height for the concrete, ductility is good, toughness is good, can improve precast concrete pile's bending resistance, anti -shearing performance by a wide margin, the pile cover that adopts cuff and reinforcing bar net system to become makes concrete pile body non -deformable and fracture, prevents peeling off of protective layer, adopt mechanical splice, can realize the quick, firm of stake and connect.
Description
Technical field
The utility model relates to a kind of build concrete stake, especially a kind of precast concrete pile.
Background technology
Building storey in recent years due to China is more and more higher, has higher requirement to the uplift resistance of stake, resistance to bending, vertical bearing capacity and horizontal shear power.The prestressed concrete pile applied in the market adopts steel bar for prestressed concrete as main muscle mostly, because of high, the main rigidity of soft tissues degree of production efficiency relatively advantages of higher and be that building field in a large number, extensively adopts, and continuity uses so far always, critical role is occupied in current conventional piles basis, but because rod iron fragility is high, cause overall fragility obvious, resistance to plucking, bending resistance and shear behavior are not enough, can not meet the needs of current large-scale pile foundation engineering.
Utility model content
The utility model is for the problem of existing prestressed concrete pile resistance to plucking set forth above, bending resistance and shear behavior deficiency, and a kind of precast concrete pile of research and design.The technological means that the utility model adopts is as follows:
A kind of precast concrete pile, comprise concrete pile body and reinforcing cage, described reinforcing cage comprises main muscle and stirrup, and described main muscle is the main muscle of prestressing force, and the main muscle of described prestressing force is steel strand.
Further, main for partial prestressing muscle is replaced with non-prestressed main muscle, described non-prestressed main muscle is screw-thread steel.
Further, described precast concrete pile is hollow pile, solid pile, shaped pile or soldier pile, and the main muscle of described prestressing force and non-prestressed main muscle interval are arranged, and the arrangement of reinforcement ratio of the main muscle of prestressing force and non-prestressed main muscle is adjusted by the diameter changing main muscle.
Further, described precast concrete pile is square pile, and the length of side of described square pile is 300 ~ 600mm.
Further, the end of described concrete pile body is provided with square pile cap, and described square pile cap comprises the cuff and the interior reinforced mesh be connected in cuff that are sheathed on concrete pile body end, and described reinforced mesh is made up of the reinforcing bar intersected.
Further, described precast concrete pile is pile tube, concrete pile body end is provided with pile tube pile cover, described pile tube pile cover comprises the skirtboard being sheathed on concrete pile body end and the support member be arranged between skirtboard and main muscle, described support member is fixed on inside skirtboard, and the diameter of described pile tube is 300 ~ 1200mm.
Further, the end of described concrete pile body is provided with the stretch-draw positioning sleeve of sleeve-shaped, described stretch-draw positioning sleeve embeds concrete pile body end face, the bottom of described stretch-draw positioning sleeve is provided with limiting section, the end of described main muscle is limited in stretch-draw positioning sleeve by described limiting section, is provided with internal thread in described stretch-draw positioning sleeve.
Further, also comprise guiding buckle and spring left-hand thread pin, described guiding buckle outside is provided with the external screw thread coordinated with described stretch-draw positioning sleeve, described spring left-hand thread pin comprises spin base and at least three and is fixed on the left-hand thread tooth spun on base, the described base that spins is provided with the external screw thread coordinated with stretch-draw positioning sleeve, described left-hand thread tooth is by being extruded through guiding buckle, and bounce-back thus make left-hand thread tooth be limited in guide card to buckle after by guiding buckle.
Compared with the prior art, a kind of precast concrete pile described in the utility model has the following advantages:
1, adopt steel strand to be the main muscle of prestressing force, compare that the reinforcement of concrete prestressed steel bar intensity is high, ductility good, good toughness, significantly can improve bending resistance, the anti-shear performance of precast concrete pile;
2, adopt the square pile cap of cuff and steel mesh reinforcement composition, make concrete pile body not easily be out of shape and ftracture, prevent peeling off of topping;
3, adopt mechanical splice, can realize stake quick, firmly connect, and structural steel elements does not expose, and reaches the erosion-resisting object of whole stake.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the A place enlarged drawing of Fig. 1.
Fig. 3 is the end view of Fig. 1.
Fig. 4 is the structural representation of the bamboo joint pile described in the utility model embodiment.
Fig. 5 is the connection diagram of the utility model embodiment.
Fig. 6 is the square pile cap schematic diagram of solid square pile described in the utility model embodiment.
Fig. 7 is the B-B sectional view of Fig. 4.
Fig. 8 is the square pile cap schematic diagram of hollow square pile described in the utility model embodiment.
Fig. 9 is the pipe pile cap schematic diagram described in the utility model embodiment.
Detailed description of the invention
As shown in Fig. 1-Fig. 9, a kind of precast concrete pile, comprises concrete pile body 2 and reinforcing cage 1, and described reinforcing cage 1 comprises main muscle 11 and stirrup 12, and described main muscle 11 comprises the main muscle 111 of prestressing force, and the main muscle 111 of described prestressing force is steel strand.
Main for partial prestressing muscle 111 is replaced with non-prestressed main muscle 112, and described non-prestressed main muscle 112 is screw-thread steel, namely except being set to fully prestressed concrete stake, also can be set to half prestressed concrete pile.
Described precast concrete pile is hollow pile, solid pile, shaped pile or soldier pile, comprise main muscle 11, the main muscle of described prestressing force 111 and non-prestressed main muscle 112 interval are arranged, in actual application, the arrangement of reinforcement ratio of the main muscle of prestressing force 111 and non-prestressed main muscle 112 is adjusted by the diameter changing main muscle, facilitate produce in factory to process, according to the requirement to shear resistance, select the diameter ratio of the main muscle of prestressing force 111 and non-prestressed main muscle 112; Also pile top can be set as required, as shown in Figure 4.
As shown in Figure 3, described precast concrete pile is square pile, described reinforcing cage 1 comprises main muscle 11, main muscle 11 comprises four main muscle of prestressing force 111 and four non-prestressed main muscle 112, described non-prestressed main muscle 112 is divided into the correspondence position at four angles of square pile, four main muscle 111 of prestressing force are divided into the correspondence position on square pile four limits, and the length of side of described square pile is 300 ~ 600mm.
As shown in Figure 9, described precast concrete pile also can be pile tube, concrete pile body 2 end is provided with pile tube pile cover 8, described pile tube pile cover 8 comprises the skirtboard 81 being sheathed on concrete pile body 2 end and the support member 82 be arranged between skirtboard 81 and main muscle 11, and described support member 82 is fixed on inside skirtboard 81, in the present embodiment, support member 82 is welded on skirtboard 81, support member 82 is bent by round steel and forms, and the corresponding support member 82 in one end of the main muscle 11 of every root, the diameter of described pile tube is 300 ~ 1200mm.
The two ends of described concrete pile body 2 are provided with pile cover 3.As shown in Figure 6 and Figure 7, square pile cap 3 described in solid square pile is comprised to the cuff 31 and the interior steel mesh reinforcement 32 be connected in cuff 31 that are sheathed on concrete pile body 2 end, described steel mesh reinforcement 32 is made up of the reinforcing bar intersected.By cuff 31, steel mesh reinforcement 32 and concrete combination, formed concrete anchor ear power, the not yielding and cracking when being subject to impacting, prevent peeling off of topping, adopt steel mesh reinforcement 32 to socket cuff 31, the steel plate thickness that cuff 31 is adopted can reduce, and then reduce costs, and each vertical reinforcement of steel mesh reinforcement 32 and each transverse reinforcement are directly welded on the inwall of cuff 31, decrease the bending of cuff steel plate corresponding to grid place, increase pile crown and embrace the power of wrapping up in; As shown in Figure 8, for hollow square pile, reinforcing bar 32 net of described square pile cap 3 forms by the reinforcing bar of close cuff 31 is arranged in a crossed manner, and it is corresponding with the hollow position of hollow square pile that centre reserves certain space.
The end of described concrete pile body 2 is provided with the stretch-draw positioning sleeve 4 of sleeve-shaped, described stretch-draw positioning sleeve 4 embeds the end face of concrete pile body 2, the bottom of described stretch-draw positioning sleeve 4 is provided with limiting section 41, the end of described main muscle 11 is limited in stretch-draw positioning sleeve 4 by described limiting section 41, internal thread is provided with in described stretch-draw positioning sleeve 4, in the present embodiment, the limiting section 41 of the stretch-draw positioning sleeve 4 coordinated with steel strand is the conical surface coordinated with stranded wire anchor head 5, stranded wire anchor head 5 is limited in stretch-draw positioning sleeve 4, the limiting section 41 coordinated with screw-thread steel can be set to screwed hole, in screw-thread steel end, external screw thread is set, be fixed by threaded engagement.
Precast concrete pile described in the utility model also comprises guiding buckle 6 and spring left-hand thread pin 7, described guiding buckle 6 outside is provided with the external screw thread coordinated with described stretch-draw positioning sleeve 4, described spring left-hand thread pin 7 comprises spin base 71 and at least three and is fixed on the left-hand thread tooth 72 spun on base 71, the described base 71 that spins is provided with the external screw thread coordinated with stretch-draw positioning sleeve 4, described left-hand thread tooth 72 by being extruded through guiding buckle 6, and rebounding thus left-hand thread tooth 72 is limited on guiding buckle 6 after passing through guiding buckle 6.When concrete pile A is connected with concrete pile B, guide card can be screwed in stretch-draw positioning sleeve 4 on the connecting end surface of concrete pile A and buckle 6, spring left-hand thread pin 7 is screwed in stretch-draw positioning sleeve 4 on the connecting end surface of concrete pile B, coating modified epoxy on the connecting end surface of concrete pile A and in stretch-draw positioning sleeve 4, spring left-hand thread pin 7 is inserted guiding buckle 6 to dock, as shown in Figure 5.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and inventive concept thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (8)
1. a precast concrete pile, comprises concrete pile body and reinforcing cage, and described reinforcing cage comprises main muscle and stirrup, and described main muscle is the main muscle of prestressing force, it is characterized in that: the main muscle of described prestressing force is steel strand.
2. precast concrete pile according to claim 1, is characterized in that: main for partial prestressing muscle is replaced with non-prestressed main muscle, and described non-prestressed main muscle is screw-thread steel.
3. precast concrete pile according to claim 1 and 2, it is characterized in that: described precast concrete pile is hollow pile, solid pile, shaped pile or soldier pile, the main muscle of described prestressing force and non-prestressed main muscle interval are arranged, and the arrangement of reinforcement ratio of the main muscle of prestressing force and non-prestressed main muscle is adjusted by the diameter changing main muscle.
4. precast concrete pile according to claim 3, is characterized in that: described precast concrete pile is square pile, and the length of side of described square pile is 300 ~ 600mm.
5. precast concrete pile according to claim 4, it is characterized in that: the end of described concrete pile body is provided with square pile cap, described square pile cap comprises the cuff and the interior reinforced mesh be connected in cuff that are sheathed on concrete pile body end, and described reinforced mesh is made up of the reinforcing bar intersected.
6. precast concrete pile according to claim 3, it is characterized in that: described precast concrete pile is pile tube, concrete pile body end is provided with pile tube pile cover, described pile tube pile cover comprises the skirtboard being sheathed on concrete pile body end and the support member be arranged between skirtboard and main muscle, described support member is fixed on inside skirtboard, and the diameter of described pile tube is 300 ~ 1200mm.
7. the precast concrete pile according to claim 4,5 or 6, it is characterized in that: the end of described concrete pile body is provided with the stretch-draw positioning sleeve of sleeve-shaped, described stretch-draw positioning sleeve embeds concrete pile body end face, the bottom of described stretch-draw positioning sleeve is provided with limiting section, the end of described main muscle is limited in stretch-draw positioning sleeve by described limiting section, is provided with internal thread in described stretch-draw positioning sleeve.
8. precast concrete pile according to claim 7, it is characterized in that: also comprise guiding buckle and spring left-hand thread pin, described guiding buckle outside is provided with the external screw thread coordinated with described stretch-draw positioning sleeve, described spring left-hand thread pin comprises spin base and at least three and is fixed on the left-hand thread tooth spun on base, the described base that spins is provided with the external screw thread coordinated with stretch-draw positioning sleeve, described left-hand thread tooth is by being extruded through guiding buckle, and bounce-back thus make left-hand thread tooth be limited in guide card to buckle after by guiding buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646970.9U CN205024671U (en) | 2015-08-25 | 2015-08-25 | Precast concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646970.9U CN205024671U (en) | 2015-08-25 | 2015-08-25 | Precast concrete pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205024671U true CN205024671U (en) | 2016-02-10 |
Family
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Family Applications (1)
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| CN201520646970.9U Active CN205024671U (en) | 2015-08-25 | 2015-08-25 | Precast concrete pile |
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| CN (1) | CN205024671U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759303A (en) * | 2016-11-21 | 2017-05-31 | 湖南善林轩信息技术有限公司 | Precast concrete pile snap joint |
| CN108824420A (en) * | 2018-08-29 | 2018-11-16 | 嘉兴欣创混凝土制品有限公司 | End-plate-free solid square pile connects sleeve |
| CN108867633A (en) * | 2018-08-29 | 2018-11-23 | 嘉兴欣创混凝土制品有限公司 | End-plate-free solid square pile |
| CN111172978A (en) * | 2020-02-28 | 2020-05-19 | 嘉兴欣创混凝土制品有限公司 | Prefabricated building structure |
| CN113404046A (en) * | 2021-04-29 | 2021-09-17 | 浙江嘉兴御豪智能装备有限公司 | Prefabricated building structure |
| CN113585240A (en) * | 2021-09-03 | 2021-11-02 | 辽宁科技大学 | Concrete filled steel tube pile integrated structure and construction method |
| CN114215045A (en) * | 2022-01-14 | 2022-03-22 | 湖北捷固筑工科技有限公司 | Precast concrete pile and using method thereof |
| CN114293540A (en) * | 2022-01-14 | 2022-04-08 | 湖北捷固筑工科技有限公司 | High-shear prestressed concrete pile and using method thereof |
| CN114293542A (en) * | 2022-01-14 | 2022-04-08 | 湖北捷固筑工科技有限公司 | Precast concrete pile and using method thereof |
-
2015
- 2015-08-25 CN CN201520646970.9U patent/CN205024671U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759303A (en) * | 2016-11-21 | 2017-05-31 | 湖南善林轩信息技术有限公司 | Precast concrete pile snap joint |
| CN108824420A (en) * | 2018-08-29 | 2018-11-16 | 嘉兴欣创混凝土制品有限公司 | End-plate-free solid square pile connects sleeve |
| CN108867633A (en) * | 2018-08-29 | 2018-11-23 | 嘉兴欣创混凝土制品有限公司 | End-plate-free solid square pile |
| CN111172978A (en) * | 2020-02-28 | 2020-05-19 | 嘉兴欣创混凝土制品有限公司 | Prefabricated building structure |
| CN113404046A (en) * | 2021-04-29 | 2021-09-17 | 浙江嘉兴御豪智能装备有限公司 | Prefabricated building structure |
| CN113585240A (en) * | 2021-09-03 | 2021-11-02 | 辽宁科技大学 | Concrete filled steel tube pile integrated structure and construction method |
| CN114215045A (en) * | 2022-01-14 | 2022-03-22 | 湖北捷固筑工科技有限公司 | Precast concrete pile and using method thereof |
| CN114293540A (en) * | 2022-01-14 | 2022-04-08 | 湖北捷固筑工科技有限公司 | High-shear prestressed concrete pile and using method thereof |
| CN114293542A (en) * | 2022-01-14 | 2022-04-08 | 湖北捷固筑工科技有限公司 | Precast concrete pile and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200716 Address after: No.1 Xiangnan East Road, Nansha Industrial Park, Jingang town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Tianhai steel bar (Zhangjiagang) Co., Ltd Address before: 434000 Jingzhou city of Hubei province Shashi Town Village two groups Cen Chen No. 370 Patentee before: Yuan Jiang |
|
| TR01 | Transfer of patent right |