CN203755334U - Single-pipe tower prefabricated spiral steel pipe pile foundation - Google Patents
Single-pipe tower prefabricated spiral steel pipe pile foundation Download PDFInfo
- Publication number
- CN203755334U CN203755334U CN201420041719.5U CN201420041719U CN203755334U CN 203755334 U CN203755334 U CN 203755334U CN 201420041719 U CN201420041719 U CN 201420041719U CN 203755334 U CN203755334 U CN 203755334U
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- Prior art keywords
- steel pipe
- reinforced concrete
- pipe pile
- cushion cap
- spiral steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 97
- 239000010959 steel Substances 0.000 title claims abstract description 97
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 9
- 239000011083 cement mortar Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a single-pipe tower prefabricated spiral steel pipe pile foundation which comprises a prefabricated reinforced concrete bearing platform and a spiral steel pipe pile embedded in the foundation. The prefabricated reinforced concrete bearing platform is connected with the spiral steel pipe pile through a connecting module, and gaps between the prefabricated reinforced concrete bearing platform and the connecting module and gaps between the prefabricated reinforced concrete bearing platform and the spiral steel pipe pile are filled with grouting material. The spiral steel pipe pile can generate large pressure resistance and pulling resisting bearing capability after entering the foundation in a rotated mode and is much more effectively than an ordinary steel pipe pile, the drilling is simple; and a special drilling device for the spiral steel pipe pile is used and is convenient to carry.
Description
Technical field
The utility model relates to technical field of civil engineering, is specifically related to single-pipe tower prefabricated spiral steel pipe pile foundation.
Background technology
In the construction of single-pipe tower, foundation construction is a vital link.Traditional single-pipe tower basis, generally adopts cast-in-situ steel reinforced concrete basis or pile foundation.Be based upon the single-pipe tower in city, installation rate is had relatively high expectations, if adopt traditional base form, construction period is oversize, to foundation construction, has brought a very large difficult problem.For being based upon the especially single-pipe tower in mountain area of remote districts, the construction on tradition basis is often subject to traffic condition and labour's restriction.Therefore an urgent demand adopts new industrialization base form, short construction period, is convenient to transportation and installs, and saves labour.
Utility model content
The purpose of this utility model is to disclose single-pipe tower prefabricated spiral steel pipe pile foundation, has solved existing single-pipe tower foundation construction cycle length, transportation installation inconvenience, the problem that labour is large.
For achieving the above object, the utility model adopts following technical scheme:
Single-pipe tower prefabricated spiral steel pipe pile foundation, comprises prefabricated reinforced concrete cushion cap and the spiral steel pipe pile of imbedding ground, and prefabricated reinforced concrete cushion cap is connected by coupling assembling with spiral steel pipe pile; Gap filling grouting material between prefabricated reinforced concrete cushion cap and coupling assembling, between prefabricated reinforced concrete cushion cap and spiral steel pipe pile.
Further, described spiral steel pipe pile comprises steel pipe, be set around the band steel band of outer wall of steel pipe, be located at the steel pipe shrouding of steel pipe top and be welded on the long bolt lower nut of this steel pipe shrouding bottom, and steel pipe bottom is imbedded in described ground and steel pipe top stretches into described prefabricated reinforced concrete cushion cap; Coupling assembling comprises long bolt, is located at the cover plate in prefabricated reinforced concrete cushion cap and is located at the long bolt top nut on cover plate; Long bolt is through cover plate and steel pipe shrouding, and the top of long bolt is screwed into long bolt top nut locking, and the bottom of long bolt is screwed into long bolt lower nut locking, thus realize prefabricated reinforced concrete cushion cap and spiral steel pipe pile affixed.
Further, described band steel band is spiral is welded on described outer wall of steel pipe.
Further, described cover plate is provided with for injecting the injected hole of described grouting material, and cover plate is also provided with steam vent.
Further, described prefabricated reinforced concrete cushion cap is provided with upper hole, basis, and described cover plate coordinates clamping with hole on this basis, and filling concrete mortar in upper hole, basis.
Further, described prefabricated reinforced concrete cushion cap cast-in fixing bolt composite member, this bolt assembly and prefabricated reinforced concrete cushion cap are in aggregates by pouring technology shape.
Further, described bolt assembly consists of anchor pole, upper anchor slab, lower anchor slab, crab-bolt top nut and crab-bolt lower nut; Anchor pole is located in described prefabricated reinforced concrete cushion cap, and upper anchor slab is positioned at prefabricated reinforced concrete cushion cap top, and lower anchor slab is positioned at prefabricated reinforced concrete cushion cap bottom; Anchor pole is through upper anchor slab and lower anchor slab, and anchor pole top is screwed into also locking of crab-bolt top nut, and anchor pole bottom is screwed into crab-bolt lower nut locking, thereby the upper anchor slab of realization and lower anchor slab are affixed.
Further, described prefabricated reinforced concrete cushion cap is decussate texture, and at four edges of this decussate texture, each edge is connected with described spiral steel pipe pile; Intersection region, center at decussate texture is provided with described bolt assembly
Further, described prefabricated reinforced concrete cushion cap is decussate texture, and at four edges of this decussate texture, each edge is connected with described spiral steel pipe pile.
Compared with prior art, the beneficial effects of the utility model:
The utility model adopts spiral steel pipe pilework, and spiral steel pipe pile, after rotating into foundation soil, can produce larger resistance to compression and resistance to plucking supporting capacity, and this is more much effective than general steel pipe pile, and boring is easier to; The rig that uses spiral steel pipe pile special use, carries also more convenient.
The utility model adopts prefabricated reinforced concrete cushion cap, is convenient to transportation, reduces on-the-spot workload, saves labour, substantially without maintenance, greatly saves the duration; Short construction period, be convenient to transportation and install, save labour; The boring of this base form is easier to, and piling is simple; Prefabricated reinforced concrete foundation is convenient to transportation, reduces on-the-spot workload, saves labour, substantially without maintenance, greatly saves the duration.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the section front elevational schematic of the utility model single-pipe tower prefabricated spiral steel pipe pile foundation embodiment;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the enlarged diagram of I part in Fig. 1;
In figure, 1-prefabricated reinforced concrete cushion cap; Hole on 11-basis; 12-edge; Intersection region, 13-center; 2-spiral steel pipe pile; 21-steel pipe; 211-steel pipe top; 212-steel pipe bottom; 22-band steel band; 23-steel pipe shrouding; 24-long bolt lower nut; 3-coupling assembling; 31-long bolt; 32-cover plate; 321-injected hole; 322-steam vent; The top nut of 33-long bolt; 4-grouting material; 5-cement mortar; 6-bolt assembly; 61-anchor pole; The upper anchor slab of 62-; Anchor slab under 63-; The top nut of 64-crab-bolt; 65-crab-bolt lower nut.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.
Embodiment single-pipe tower prefabricated spiral steel pipe pile foundation, comprises prefabricated reinforced concrete cushion cap 1 and the spiral steel pipe pile 2 of imbedding ground as shown in Figure 1 to Figure 3, and prefabricated reinforced concrete cushion cap 1 is connected by coupling assembling 3 with spiral steel pipe pile 2; Gap filling grouting material 4 between prefabricated reinforced concrete cushion cap 1 and coupling assembling 3, between prefabricated reinforced concrete cushion cap 1 and spiral steel pipe pile 2.
Spiral steel pipe pile 2 comprises steel pipe 21, be set around the band steel band 22 of outer wall of steel pipe, be located at the steel pipe shrouding 23 of steel pipe top 211 and be welded on the long bolt lower nut 24 of this steel pipe shrouding bottom, and steel pipe bottom 212 is imbedded in described ground and steel pipe top 211 stretches into prefabricated reinforced concrete cushion cap 1.Coupling assembling 3 comprises long bolt 31, is located at the cover plate 32 in prefabricated reinforced concrete cushion cap 1 and is located at the long bolt top nut 33 on cover plate 32; Long bolt 31 is through cover plate 32 and steel pipe shrouding 23, and the top of long bolt 31 is screwed into long bolt top nut 33 locking, and the bottom of long bolt 31 is screwed into long bolt lower nut 24 locking, thereby realizes prefabricated reinforced concrete cushion cap 1 and spiral steel pipe pile 2 is affixed.The present embodiment adopts 20m single-pipe tower prefabricated spiral steel pipe pile foundation, blast 0.45.The about 2.5m of pile body length of spiral steel pipe pile 2, steel pipe 21 is selected d89/5, and band steel band 22 is 4x50.
Band steel band 22 is spiral to be welded on outer wall of steel pipe.Cover plate 32 is provided with for injecting the injected hole 321 of described grouting material, and cover plate 32 is also provided with steam vent 322.Prefabricated reinforced concrete cushion cap 1 is provided with upper hole 11, basis, and cover plate 32 coordinates clamping with hole 11 on this basis, and the interior filling concrete mortar 5 in upper hole 11, basis.
Prefabricated reinforced concrete cushion cap 1 cast-in fixing bolt composite member 6, this bolt assembly 6 and prefabricated reinforced concrete cushion cap 1 are in aggregates by pouring technology shape.Bolt assembly 6 consists of anchor pole 61, upper anchor slab 62, lower anchor slab 63, crab-bolt top nut 64 and crab-bolt lower nut 65; Anchor pole 61 is located in prefabricated reinforced concrete cushion cap 1, and upper anchor slab 62 is positioned at prefabricated reinforced concrete cushion cap 1 top, and lower anchor slab 63 is positioned at prefabricated reinforced concrete cushion cap 1 bottom; Anchor pole 61 is through upper anchor slab 62 and lower anchor slab 63, and anchor pole top is screwed into crab-bolt top nut 64 locking, and anchor pole bottom is screwed into crab-bolt lower nut 65 locking, thereby it is affixed to realize upper 62 times anchor slabs 63 of anchor slab.
Prefabricated reinforced concrete cushion cap 1 in the present embodiment is decussate texture, and at four edges 12 of this decussate texture, each edge 12 is connected with spiral steel pipe pile 2; Intersection region, center 13 at decussate texture is provided with bolt assembly 6.The hem width 600mm of decussate texture, height 500mm, length 2800mm.
Other structure of the present embodiment single-pipe tower prefabricated spiral steel pipe pile foundation is referring to prior art.
The present embodiment is for general clay, as to the further illustrating of the present embodiment, its course of work is now described:
S1, before building prefabricated reinforced concrete cushion cap 1, bolt assembly 6 is imbedded wherein, reach curing strength;
S2, in the place on basis to be installed, first hole (for example aperture d90), spiral steel pipe pile 2 is in place, and rotation is buried;
S3, after spiral steel pipe pile 2 arrives projected depths, smooth ground, with 1/3 cement mortar screeding (thick 20mm); By prefabricated reinforced concrete cushion cap 1 hoisted in position, be inserted in long bolt 31, make it be screwed into long bolt lower nut 24, cover upper cover plate 32, the interior injection grouting material 4 of injected hole 321 on cover plate 32, when steam vent 322 overflows slurry, slip casting is complete;
S4, treat that slip casting reaches intensity (1 day), tighten long bolt top nut 33, by cement mortar 5, fill 11 (apertures, upper hole, basis
), complete foundation construction.
As to the further illustrating of the present embodiment, its principle is now described: spiral steel pipe pile 2, after rotating into foundation soil, can produce larger resistance to compression and resistance to plucking supporting capacity.This is more much effective than general steel pipe pile, and boring is easier to, and uses the rig of spiral steel pipe pile special use, carries also more convenient.Precast reinforced concrete 1 is convenient to transportation, reduces on-the-spot workload, saves labour, substantially without maintenance, greatly saves the duration.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not departed to spirit and scope of the present utility model, if within these changes and modification belong to claim of the present utility model and equivalent technologies scope, the utility model is also intended to comprise these changes and modification.
Claims (9)
1. single-pipe tower prefabricated spiral steel pipe pile foundation, is characterized in that: comprise prefabricated reinforced concrete cushion cap and the spiral steel pipe pile of imbedding ground, prefabricated reinforced concrete cushion cap is connected by coupling assembling with spiral steel pipe pile; Gap filling grouting material between prefabricated reinforced concrete cushion cap and coupling assembling, between prefabricated reinforced concrete cushion cap and spiral steel pipe pile.
2. single-pipe tower prefabricated spiral steel pipe pile foundation according to claim 1, it is characterized in that: described spiral steel pipe pile comprises steel pipe, be set around the band steel band of outer wall of steel pipe, be located at the steel pipe shrouding of steel pipe top and be welded on the long bolt lower nut of this steel pipe shrouding bottom, and steel pipe bottom is imbedded in described ground and steel pipe top stretches into described prefabricated reinforced concrete cushion cap; Coupling assembling comprises long bolt, is located at the cover plate in prefabricated reinforced concrete cushion cap and is located at the long bolt top nut on cover plate; Long bolt is through cover plate and steel pipe shrouding, and the top of long bolt is screwed into long bolt top nut locking, and the bottom of long bolt is screwed into long bolt lower nut locking, thus realize prefabricated reinforced concrete cushion cap and spiral steel pipe pile affixed.
3. single-pipe tower prefabricated spiral steel pipe pile foundation according to claim 2, is characterized in that: described band steel band is spiral to be welded on described outer wall of steel pipe.
4. single-pipe tower prefabricated spiral steel pipe pile foundation according to claim 2, is characterized in that: described cover plate is provided with for injecting the injected hole of described grouting material, and cover plate is also provided with steam vent.
5. according to single-pipe tower prefabricated spiral steel pipe pile foundation described in claim 2 or 4, it is characterized in that: described prefabricated reinforced concrete cushion cap is provided with upper hole, basis, and described cover plate coordinates clamping with hole on this basis, and filling concrete mortar in upper hole, basis.
6. according to single-pipe tower prefabricated spiral steel pipe pile foundation described in claim 1 to 4 any one, it is characterized in that: described prefabricated reinforced concrete cushion cap cast-in fixing bolt composite member, this bolt assembly and prefabricated reinforced concrete cushion cap are in aggregates by pouring technology shape.
7. single-pipe tower prefabricated spiral steel pipe pile foundation according to claim 6, is characterized in that: described bolt assembly consists of anchor pole, upper anchor slab, lower anchor slab, crab-bolt top nut and crab-bolt lower nut; Anchor pole is located in described prefabricated reinforced concrete cushion cap, and upper anchor slab is positioned at prefabricated reinforced concrete cushion cap top, and lower anchor slab is positioned at prefabricated reinforced concrete cushion cap bottom; Anchor pole is through upper anchor slab and lower anchor slab, and anchor pole top is screwed into also locking of crab-bolt top nut, and anchor pole bottom is screwed into crab-bolt lower nut locking, thereby the upper anchor slab of realization and lower anchor slab are affixed.
8. single-pipe tower prefabricated spiral steel pipe pile foundation according to claim 6, is characterized in that: described prefabricated reinforced concrete cushion cap is decussate texture, and at four edges of this decussate texture, each edge is connected with described spiral steel pipe pile; Intersection region, center at decussate texture is provided with described bolt assembly
9. according to single-pipe tower prefabricated spiral steel pipe pile foundation described in claims 1 to 3 any one, it is characterized in that: described prefabricated reinforced concrete cushion cap is decussate texture, at four edges of this decussate texture, each edge is connected with described spiral steel pipe pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041719.5U CN203755334U (en) | 2014-01-22 | 2014-01-22 | Single-pipe tower prefabricated spiral steel pipe pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041719.5U CN203755334U (en) | 2014-01-22 | 2014-01-22 | Single-pipe tower prefabricated spiral steel pipe pile foundation |
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| CN203755334U true CN203755334U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041719.5U Expired - Lifetime CN203755334U (en) | 2014-01-22 | 2014-01-22 | Single-pipe tower prefabricated spiral steel pipe pile foundation |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774687A (en) * | 2014-01-22 | 2014-05-07 | 深圳市海能通信股份有限公司 | Single-pipe tower prefabricated spiral steel pipe pile foundation |
| CN104294838A (en) * | 2014-10-11 | 2015-01-21 | 国家电网公司 | High-voltage transmission line iron tower pile foundation structure |
| CN104831731A (en) * | 2015-04-15 | 2015-08-12 | 广东省建筑工程集团有限公司 | Method for pouring cements at bottom layer of substrate |
| CN105625461A (en) * | 2016-03-16 | 2016-06-01 | 国网浙江省电力公司绍兴供电公司 | Weight type steel pipe pile foundation of transmission line self-supporting rod |
| CN107090841A (en) * | 2017-04-17 | 2017-08-25 | 广州电力设计院 | Prefabricated cushion cap foundation, transmission tower and its construction method |
| CN108529464A (en) * | 2018-04-13 | 2018-09-14 | 江苏兴达新材料有限公司 | It is a kind of that there is the novel of high-stability to be twisted machine |
| CN108643219A (en) * | 2018-06-29 | 2018-10-12 | 华中科技大学 | A kind of assembled transmission line of electricity anchor rod static pressure Minitype pile foundation and its construction method |
| CN108951681A (en) * | 2018-08-02 | 2018-12-07 | 苏州培星智能装备科技有限公司 | The connection structure of pulling-resistant type concrete tubular pile and cushion cap |
| CN109024654A (en) * | 2018-08-14 | 2018-12-18 | 福建工程学院 | A kind of structure and its construction method of pile foundation of bridge pier |
| CN114045857A (en) * | 2021-12-06 | 2022-02-15 | 国网河北省电力有限公司沧州供电分公司 | Connecting structure of tubular pile and prefabricated bearing platform and installation and construction method of tubular pile and prefabricated bearing platform |
-
2014
- 2014-01-22 CN CN201420041719.5U patent/CN203755334U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774687A (en) * | 2014-01-22 | 2014-05-07 | 深圳市海能通信股份有限公司 | Single-pipe tower prefabricated spiral steel pipe pile foundation |
| CN104294838A (en) * | 2014-10-11 | 2015-01-21 | 国家电网公司 | High-voltage transmission line iron tower pile foundation structure |
| CN104831731A (en) * | 2015-04-15 | 2015-08-12 | 广东省建筑工程集团有限公司 | Method for pouring cements at bottom layer of substrate |
| CN105625461A (en) * | 2016-03-16 | 2016-06-01 | 国网浙江省电力公司绍兴供电公司 | Weight type steel pipe pile foundation of transmission line self-supporting rod |
| CN107090841A (en) * | 2017-04-17 | 2017-08-25 | 广州电力设计院 | Prefabricated cushion cap foundation, transmission tower and its construction method |
| CN108529464B (en) * | 2018-04-13 | 2019-09-10 | 江苏兴达新材料有限公司 | A kind of novel with high-stability is twisted machine |
| CN108529464A (en) * | 2018-04-13 | 2018-09-14 | 江苏兴达新材料有限公司 | It is a kind of that there is the novel of high-stability to be twisted machine |
| CN108643219A (en) * | 2018-06-29 | 2018-10-12 | 华中科技大学 | A kind of assembled transmission line of electricity anchor rod static pressure Minitype pile foundation and its construction method |
| CN108951681A (en) * | 2018-08-02 | 2018-12-07 | 苏州培星智能装备科技有限公司 | The connection structure of pulling-resistant type concrete tubular pile and cushion cap |
| CN109024654A (en) * | 2018-08-14 | 2018-12-18 | 福建工程学院 | A kind of structure and its construction method of pile foundation of bridge pier |
| CN109024654B (en) * | 2018-08-14 | 2024-01-09 | 福建工程学院 | Structure of pier pile foundation and construction method thereof |
| CN114045857A (en) * | 2021-12-06 | 2022-02-15 | 国网河北省电力有限公司沧州供电分公司 | Connecting structure of tubular pile and prefabricated bearing platform and installation and construction method of tubular pile and prefabricated bearing platform |
| CN114045857B (en) * | 2021-12-06 | 2022-12-20 | 国网河北省电力有限公司沧州供电分公司 | Connecting structure of pipe pile and prefabricated bearing platform and installation and construction method of pipe pile and prefabricated bearing platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
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| CX01 | Expiry of patent term |