CN203096545U - Pile composite foundation of soft soil layer of expressway - Google Patents
Pile composite foundation of soft soil layer of expressway Download PDFInfo
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- CN203096545U CN203096545U CN 201320070214 CN201320070214U CN203096545U CN 203096545 U CN203096545 U CN 203096545U CN 201320070214 CN201320070214 CN 201320070214 CN 201320070214 U CN201320070214 U CN 201320070214U CN 203096545 U CN203096545 U CN 203096545U
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Abstract
The utility model discloses a pile composite foundation of a soft soil layer of an expressway. The pile composite foundation comprises a plurality of concrete pile bodies vertically and horizontally distributed in the extension direction of the expressway, wherein the lower ends of the concrete pile bodies penetrate through the soft soil layer and are propped against a bearing layer below the soft soil layer; the upper ends of the concrete pile bodies stretch out of the soft soil layer; a plurality of concrete pile boards are distributed in the extension direction of the expressway, and are connected with the upper ends of the horizontally distributed concrete pile bodies; and a mattress layer is arranged between the concrete pile boards and the soft soil layer. According to the pile composite foundation of the soft soil layer of the expressway, the quantity of the pile bodies is reduced obviously; the project cost is lowered to some extent; and a construction schedule is accelerated.
Description
Technical field
The utility model relates to a kind of pile composite foundation, particularly relates to a kind of Freeway Soft layer pile composite foundation.
Background technology
In recent years, along with China's rapid growth of economy, the magnitude of traffic flow of speedway increases day by day, all oneself meets or exceeds saturation state to the speedway transport capacity of many two-way Four-Lane Roads, caused the raising of waste of time and cost of transportation, the more serious pavement disease of Chu Xianing simultaneously, the service level and the application life of speedway have been had a strong impact on, therefore, for the traffic of satisfying sharp increase requires and improves the road service level, a large amount of two-way Four-Lane Road speedways need be extended with newly-built.
At present, in the process of construction that speedway needs, when running into the weak soil layer, all be that the mode of the mode by intensive piling forms composite foundation, satisfy the driving requirement of speedway with the bearing capacity that improves ground, this cost is high, and the construction period is very long.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of Freeway Soft layer pile composite foundation is provided.This Freeway Soft layer pile composite foundation has significantly reduced the quantity of pile body, has reduced construction costs to a certain extent, has accelerated construction speed.
For achieving the above object, the technical solution adopted in the utility model is: Freeway Soft layer pile composite foundation, it is characterized in that: comprise a plurality of concrete pile bodies of laying in length and breadth along the speedway bearing of trend, the lower end of a plurality of described concrete pile bodies is all run through the weak soil layer and is connected on the bearing course of weak soil layer below, the weak soil layer is all stretched out in the upper end of a plurality of described concrete pile bodies, be laid with a plurality of concrete pile plates along the speedway bearing of trend, described concrete pile plate is connected with the upper end of a plurality of concrete pile bodies of laterally laying, is provided with mattress layer between described concrete pile plate and the weak soil layer.
Above-mentioned Freeway Soft layer pile composite foundation is characterized in that: be embedded with many longitudinal reinforcements one and the transverse reinforcement one that is used to be connected many longitudinal reinforcements one in the described concrete pile plate.
Above-mentioned Freeway Soft layer pile composite foundation, it is characterized in that: be embedded with many longitudinal reinforcements two and the transverse reinforcement two that is used to be connected many longitudinal reinforcements two in the described concrete pile body, many described longitudinal reinforcements two all stretch in the concrete pile plate and with longitudinal reinforcement one and are connected.
Above-mentioned Freeway Soft layer pile composite foundation, it is characterized in that: the upper end of a plurality of described concrete pile bodies all is with concrete pile follower, and described concrete pile plate is connected with the upper end of described concrete pile follower.
Above-mentioned Freeway Soft layer pile composite foundation is characterized in that: the length that described concrete pile body stretches out the weak soil layer is 5cm～10cm.
Above-mentioned Freeway Soft layer pile composite foundation is characterized in that: adjacent two described concrete pile plates are 300cm～500cm along the spacing distance of speedway bearing of trend.
Above-mentioned Freeway Soft layer pile composite foundation is characterized in that: the diameter of described concrete pile body is 20cm～50cm.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design.
2, the utility model has increased the contact area of concrete pile body and roadbed by the concrete pile plate is set, and makes this pile composite foundation form an integral body, has obviously improved supporting capacity under the prerequisite that the intensity of whole pile composite foundation meets the demands making.
3, the utility model can be effectively be protected concrete pile body upper end by concrete pile follower is set, and avoids the compound of concrete pile body upper end and reinforcing bar to be corroded and causes damage.
4, realization cost of the present utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, novel in design rationally, the functional reliability height, long service life has significantly reduced the quantity of pile body, has reduced construction costs to a certain extent, has accelerated construction speed, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the installation position schematic diagram of the utility model on the speedway track.
Description of reference numerals:
1-weak soil layer; 2-mattress layer; 3-concrete pile plate;
4-longitudinal reinforcement one; 5-longitudinal reinforcement two; 6-concrete pile body;
7-concrete pile follower; 8-speedway track.
The specific embodiment
Embodiment 1
A kind of Freeway Soft layer pile composite foundation as shown in figures 1 and 3, comprise a plurality of concrete pile bodies 6 of laying in length and breadth along the speedway bearing of trend, the lower end of a plurality of described concrete pile bodies 6 is all run through weak soil layer 1 and is connected on the bearing course of weak soil layer 1 below, weak soil layer 1 is all stretched out in the upper end of a plurality of described concrete pile bodies 6, be laid with a plurality of concrete pile plates 3 along the speedway bearing of trend, a plurality of described concrete pile plates 3 all along with the perpendicular direction setting of speedway bearing of trend, described concrete pile plate 3 is connected with the upper end of a plurality of concrete pile bodies 6 of laterally laying, is provided with mattress layer 2 between described concrete pile plate 3 and the weak soil layer 1.
In the present embodiment, be embedded with many longitudinal reinforcements 1 and the transverse reinforcement one that is used to be connected many longitudinal reinforcements 1 in the described concrete pile plate 3.Be embedded with many longitudinal reinforcements 25 and the transverse reinforcement two that is used to be connected many longitudinal reinforcements 25 in the described concrete pile body 6, many described longitudinal reinforcements 25 all stretch in the concrete pile plate 3 and with longitudinal reinforcement 1 and are connected.
In the present embodiment, by being set, concrete pile plate 3 increased the contact area of concrete pile body 6 with roadbed, make this pile composite foundation form an integral body, making under the prerequisite that the intensity of whole pile composite foundation meets the demands, obviously improved supporting capacity, and bear the load that the top is transmitted together, the structure of sheet pile is not set, can significantly reduce or avoid the differential settlement of soft base or new and old roadbed.
As shown in Figure 3, a plurality of described concrete pile bodies 68 evenly layings at interval along the speedway track.In the present embodiment, preferred way is that adjacent two described concrete pile plates 3 are 300cm～500cm along the spacing distance of speedway bearing of trend.The length that described concrete pile body 6 stretches out weak soil layer 1 is 5cm～10cm.The diameter of described concrete pile body 6 is 20cm～50cm.
Embodiment 2
As shown in Figure 2, the difference of present embodiment and embodiment 1 only is: the upper end of a plurality of described concrete pile bodies 6 all is with concrete pile follower 7, and described concrete pile plate 3 is connected with the upper end of described concrete pile follower 7.
In the present embodiment, can effectively protect, avoid concrete pile body 6 upper ends to be corroded and cause damage concrete pile body 6 upper ends by concrete pile follower 7 is set.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. Freeway Soft layer pile composite foundation, it is characterized in that: comprise a plurality of concrete pile bodies (6) of laying in length and breadth along the speedway bearing of trend, the lower end of a plurality of described concrete pile bodies (6) is all run through weak soil layer (1) and is connected on the bearing course of weak soil layer (1) below, weak soil layer (1) is all stretched out in the upper end of a plurality of described concrete pile bodies (6), be laid with a plurality of concrete pile plates (3) along the speedway bearing of trend, described concrete pile plate (3) is connected with the upper end of a plurality of concrete pile bodies (6) of laterally laying, is provided with mattress layer (2) between described concrete pile plate (3) and the weak soil layer (1).
2. Freeway Soft layer pile composite foundation according to claim 1 is characterized in that: be embedded with many longitudinal reinforcements one (4) and the transverse reinforcement one that is used to be connected many longitudinal reinforcements one (4) in the described concrete pile plate (3).
3. Freeway Soft layer pile composite foundation according to claim 2, it is characterized in that: be embedded with many longitudinal reinforcements two (5) and the transverse reinforcement two that is used to be connected many longitudinal reinforcements two (5) in the described concrete pile body (6), many described longitudinal reinforcements two (5) all stretch in the concrete pile plate (3) and with longitudinal reinforcement one (4) and are connected.
4. Freeway Soft layer pile composite foundation according to claim 1, it is characterized in that: the upper end of a plurality of described concrete pile bodies (6) all is with concrete pile follower (7), and described concrete pile plate (3) is connected with the upper end of described concrete pile follower (7).
5. Freeway Soft layer pile composite foundation according to claim 1 is characterized in that: the length that described concrete pile body (6) stretches out weak soil layer (1) is 5cm～10cm.
6. Freeway Soft layer pile composite foundation according to claim 1 is characterized in that: adjacent two described concrete pile plates (3) are 300cm～500cm along the spacing distance of speedway bearing of trend.
7. Freeway Soft layer pile composite foundation according to claim 1 is characterized in that: the diameter of described concrete pile body (6) is 20cm～50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070214 CN203096545U (en) | 2013-02-07 | 2013-02-07 | Pile composite foundation of soft soil layer of expressway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070214 CN203096545U (en) | 2013-02-07 | 2013-02-07 | Pile composite foundation of soft soil layer of expressway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096545U true CN203096545U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320070214 Expired - Fee Related CN203096545U (en) | 2013-02-07 | 2013-02-07 | Pile composite foundation of soft soil layer of expressway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203096545U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652462A (en) * | 2015-01-27 | 2015-05-27 | 江苏省建筑设计研究院有限公司 | Building composite foundation pile top pre-piercing mattress layer |
| CN108625231A (en) * | 2018-07-25 | 2018-10-09 | 中铁七局集团第二工程有限公司 | A kind of stake-anchor-plate push-pull-type road structure |
| CN108824097A (en) * | 2018-07-25 | 2018-11-16 | 中铁七局集团第工程有限公司 | Prefabricated GFRP pipe concrete stake and armoured concrete slab overhead type roadbed pile slab structure |
| CN114808582A (en) * | 2022-05-24 | 2022-07-29 | 北京城建华威公路工程有限公司 | Anti-settlement reinforcing structure for soft soil roadbed and construction method thereof |
-
2013
- 2013-02-07 CN CN 201320070214 patent/CN203096545U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652462A (en) * | 2015-01-27 | 2015-05-27 | 江苏省建筑设计研究院有限公司 | Building composite foundation pile top pre-piercing mattress layer |
| CN108625231A (en) * | 2018-07-25 | 2018-10-09 | 中铁七局集团第二工程有限公司 | A kind of stake-anchor-plate push-pull-type road structure |
| CN108824097A (en) * | 2018-07-25 | 2018-11-16 | 中铁七局集团第工程有限公司 | Prefabricated GFRP pipe concrete stake and armoured concrete slab overhead type roadbed pile slab structure |
| CN114808582A (en) * | 2022-05-24 | 2022-07-29 | 北京城建华威公路工程有限公司 | Anti-settlement reinforcing structure for soft soil roadbed and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140207 |