Permanent and temporary hydraulic structure combined with cast-in-place pile support

Abstract

The utility model relates to a permanent and temporary hydraulic structure combined with a cast-in-place pile support. The method is suitable for the technical field of water conservancy and hydropower engineering. The technical problem to be solved by the utility model is to provide the hydraulic structure combined with the cast-in-place pile support permanently and temporarily. According to the technical scheme, the hydraulic structure combined with the cast-in-place pile support permanently and temporarily comprises a support structure and a plurality of cast-in-place piles, the cast-in-place piles are arranged on the two sides of a river channel respectively, and the cast-in-place piles are matched to provide foundation pit support in the construction period and form a side pier structure of the hydraulic structure; the supporting structure is arranged between the cast-in-place piles on the two sides, and the supporting structure is matched with the cast-in-place piles to provide foundation support for the hydraulic structure; and the upper building is arranged above the supporting structure and the supporting structure, and a gate and trash rack structure is arranged at the bottom of the upper building.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy and hydropower engineering technical field especially a waterwork building combined with bored pile support permanent and temporary. BACKGROUND

[0002] With the development of cities and towns, most of the buildings on both sides are buildings, etc., and it is difficult to demolish and excavate, which affects the safety of buildings. In order to ensure the safety of the surrounding area and facilitate construction, it is necessary to consider the support scheme, but the support scheme has the problems of great difficulty, large engineering investment and temporary building construction ending.

[0003] Therefore, in order to facilitate construction, shorten the construction period and optimize the investment, the application provides a waterwork building combined with bored pile support permanent and temporary. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that in view of the above problems, a waterwork building combined with bored pile support permanent and temporary is provided.

[0005] The utility model adopts the technical scheme that a waterwork building combined with bored pile support permanent and temporary, comprising:

[0006] The support structure comprises a plurality of bored piles, and the plurality of bored piles are arranged on both sides of the river channel. The plurality of bored piles can provide foundation pit support during construction and form the side pier structure of the waterwork building.

[0007] The support structure is arranged between the two bored piles. The support structure and the bored pile cooperate to provide the foundation support of the waterwork building.

[0008] The upper building is arranged above the support structure and the support structure. The bottom of the upper building is provided with a gate and a trash rack structure.

[0009] Through the above technical means, the bored pile is used as the temporary support structure of the foundation pit, and the bored pile can cooperate with the support structure to serve as the support foundation of the upper building. Not only is the construction facilitated and the construction period shortened, but also the excavation amount of the side pier structure construction, the surrounding relocation amount and the cost of the permanent building side pier are optimized.

[0010] In some embodiments, the support structure comprises a middle pier and a bottom plate. The bottom plate is connected to the inner wall of the bored pile on both sides respectively. The top of the bottom plate is provided with a plurality of middle piers. The upper part of the middle pier and the bored pile is provided with the upper building.

[0011] In some embodiments, the middle pier and the bottom plate are integrally bound by reinforced concrete and are formed by pouring.

[0012] In some embodiments, an anchor is embedded in the bored pile connected with the bottom plate, the end of the bottom plate is integrally anchored with the anchor, and a water stop is arranged at the connection between the bottom plate and the bored pile.

[0013] In some embodiments, the bored piles at the connection with the gate and trash rack structure are treated by jump pile, and a rotary jet pile is arranged in the soil between the two piles, and the rotary jet pile is provided with a gate groove corresponding to the gate and trash rack structure on the middle pier.

[0014] In some embodiments, a concrete facing layer is arranged on the side wall of the bored pile, and the thickness of the concrete facing layer is 10-20 cm.

[0015] In some embodiments, the diameter and length of the bored pile are determined according to the soil layer, cantilever length and load.

[0016] Another technical scheme of the utility model is: a construction method of a hydraulic structure combined with bored pile support and permanent and temporary support, applied to a hydraulic structure combined with bored pile support and permanent and temporary support, comprising the following steps:

[0017] S1, the old building is demolished, and the bored piles are constructed at the predetermined position as the temporary support structure of the excavated foundation pit, part of the bored piles are treated by jump pile, and the diameter and length of the bored pile are determined according to the soil layer, cantilever length and load;

[0018] S2, after the bored pile construction is completed, the foundation pit is excavated according to the design depth;

[0019] S3, the reinforcement of the bottom plate and the middle pier is bound in the foundation pit, the connection with the anchor reserved in the bored pile is ensured, and then integrated pouring is carried out;

[0020] S4, the connection between the bottom plate and the bored pile is water-stopped by using the water stop, so that the airtightness of the connection is ensured;

[0021] S5, the gate groove required for gate installation is reserved on the bored pile and the middle pier, the soil between the bored piles on the outside of the gate groove is reinforced by rotary jet pile, and the length of the rotary jet pile is determined according to the size of the water gate or pump station;

[0022] S6, the gate and trash rack structure are installed into the gate groove, and the support column and the main structure of the upper building are constructed on the side pier structure formed by the bored pile and the middle pier foundation;

[0023] S7, the concrete facing treatment is carried out on the river side inner wall of the bored pile to form a concrete facing layer.

[0024] The utility model has the advantages of:

[0025] 1. By using the cast-in-place pile for permanent and temporary combination, it is used as the foundation pit supporting structure in the initial construction period, and can be used as the side pier structure of the hydraulic structure and the foundation of the upper building in the later period, which not only facilitates the construction and shortens the construction period, but also optimizes the excavation amount of the side pier construction, the surrounding relocation amount and the cost of the side degree of the permanent building. The structure can reduce the excavation surface and construction difficulty, save the engineering investment under the condition of ensuring safety, and can be widely applied to the demolition and reconstruction projects of water gate and pump station with difficult relocation and insufficient excavation surface. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 is the cross-sectional structure schematic diagram of the present application.

[0027] Fig. 2 is the plane structure schematic diagram of the present application.

[0028] BRIEF DESCRIPTION OF DRAWINGS:

[0029] 1. Cast-in-place pile; 2. Middle pier; 3. Bottom plate; 4. Gate and trash rack structure; 5. Concrete finish layer; 6. Water stop; 7. Gate slot; 8. Rotary jet pile; 9. Upper building.

[0030] The specification includes reference to "one embodiment" or "an embodiment". The occurrence of the phrase "in one embodiment" or "in an embodiment" does not necessarily refer to the same embodiment. Particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0031] "comprising", this term is open. As used in the appended claims, this term does not exclude additional structures or steps. "consisting of", this term is closed. As used in the appended claims, this term does not encompass additional structures or steps.

[0032] "first", "second", and the like. As used herein, these terms act as labels for nomenclature, and do not necessarily convey an ordering (e.g., spatial, temporal, logical, etc.). DETAILED DESCRIPTION

[0033] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme of the present application will be further described in combination with specific embodiments.

[0034] Example one:

[0035] In combination with Figs. 1-2As shown, the embodiment is a water structure combined with bored pile support permanent and temporary, including support structure, support structure and upper building 9, the support structure includes a plurality of bored piles 1, a plurality of bored piles 1 is arranged on both sides of the river, a plurality of bored piles 1 can provide the foundation pit support during construction and form the pier structure of the water structure. The support structure is provided between the two sides of the bored pile 1, the support structure and the bored pile 1 cooperate to provide the foundation support of the water structure; the upper building 9 is provided above the support structure and the support structure, the bottom of the upper building 9 is provided with a gate and a trash rack structure 4. In the embodiment, the upper building 9 is a water gate or a pump station.

[0036] In some embodiments, the support structure includes a pier 2 and a bottom plate 3, the two ends of the bottom plate 3 are respectively connected with the inner wall of the two side bored piles 1, the top of the bottom plate 3 is provided with a plurality of piers 2, and the upper building 9 is provided above the pier 2 and the bored pile 1.

[0037] Further, the pier 2 and the bottom plate 3 are integrally bound by reinforced concrete and are formed by pouring.

[0038] Further, the inside of the bored pile 1 connected with the bottom plate 3 is pre-buried with an anchor, the end of the bottom plate 3 is integrally anchored with the anchor, and the connection between the bottom plate 3 and the bored pile 1 is also provided with a water stop 6.

[0039] Further, the bored pile 1 at the joint with the gate and trash rack structure 4 is treated by jump pile, the soil between the two piles is provided with a rotary jet pile 8, and the rotary jet pile 8 and the pier 2 are pre-provided with a gate slot 7 corresponding to the gate and trash rack structure 4. Specifically, the length of the rotary jet pile 8 is determined according to the size of the water gate or pump station.

[0040] Further, the bored pile 1 is provided with a concrete finish layer 5 on the river side wall surface, the concrete finish layer 5 is located between the gate and trash rack structure 4 and the bored pile 1, and the thickness of the concrete finish layer 5 is 10cm-20cm. The thickness is determined according to the structure size and the height of the gate.

[0041] Further, the pile diameter and length of the bored pile 1 are determined according to the soil layer, cantilever length and load.

[0042] Embodiment of a water structure combined with bored pile support permanent and temporary:

[0043] By using the bored pile 1 permanent and temporary combination, it not only serves as the foundation pit support during construction, but also reserves the anchor connected with the bottom plate 3, and after the foundation pit is excavated, it serves as the pier and upper building 9 column base of the later water gate, pump station and other water structures, which optimizes the excavation amount, surrounding relocation amount and cost of the permanent structure pier. Through the permanent and temporary combination of the building structure type, the excavation surface and construction difficulty are reduced, the engineering investment is saved under the condition of ensuring safety, and it can be widely applied to the demolition and reconstruction projects of water gates, pump stations and other projects which are difficult to demolish and have insufficient excavation surface.

[0044] Embodiment two:

[0045] The embodiment is a construction method of a hydraulic structure combined with a cast-in-place pile supporting permanent and temporary structures, applied to the hydraulic structure combined with the cast-in-place pile supporting permanent and temporary structures in Embodiment one, and comprising the following steps:

[0046] S1, removing old buildings, and constructing cast-in-place piles 1 as temporary supporting structures for excavating foundation pits in predetermined positions, part of the cast-in-place piles 1 are treated by jump piles, the diameters and lengths of the cast-in-place piles 1 are determined according to soil layers, cantilever lengths and loads;

[0047] S2, after the construction of the cast-in-place piles 1 is completed, excavating foundation pits according to design depths;

[0048] S3, binding steel bars of a bottom plate 3 and a middle pier 2 in the foundation pit, ensuring that the bottom plate 3 and the middle pier 2 are connected with anchorings reserved in the cast-in-place piles 1, and then integrally pouring;

[0049] S4, using water stop parts 6 to process water stop of the connection between the bottom plate 3 and the cast-in-place piles 1, and ensuring the airtightness of the connection;

[0050] S5, reserving gate slots 7 required for gate installation on the cast-in-place piles 1 and the middle pier 2, reinforcing soil bodies between the cast-in-place piles 1 outside the gate slots 7 by rotary jet piles 8, and determining the lengths of the rotary jet piles 8 according to the scales of the water gate or the pump station;

[0051] S6, installing the gate and trash rack structure 4 into the gate slots 7, and constructing supporting columns and main structures of upper structures 9 on the side pier structure formed by the cast-in-place piles 1 and the foundation of the middle pier 2;

[0052] S7, performing concrete hanging surface treatment on the inner wall of the cast-in-place piles 1 on the river side to form a concrete hanging surface layer 5.

[0053] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A hydraulic structure combined with a permanent and temporary pile support, characterized in that, The utility model relates to a river-crossing water conservancy construction structure, which comprises a supporting structure, a support structure and an upper building. The supporting structure comprises a plurality of cast-in-place piles (1) arranged on both sides of a river channel, which cooperate to provide foundation pit support during construction and form a pier structure of a water conservancy building. The support structure is arranged between the cast-in-place piles (1) on both sides and cooperates with the cast-in-place piles (1) to provide foundation support for the water conservancy building. The upper building (9) is arranged above the supporting structure and the support structure, and the bottom of the upper building (9) is provided with a gate and trash rack structure (4).

2. The hydraulic structure supported by the cast-in-place pile combined with permanent and temporary support according to claim 1, characterized in that: The support structure comprises a pier (2) and a bottom plate (3), the ends of the bottom plate (3) are connected to the inner walls of the cast-in-place piles (1) on both sides, and the top of the bottom plate (3) is provided with a plurality of piers (2), and the upper part of the pier (2) and the cast-in-place pile (1) is provided with the upper building (9).

3. The hydraulic structure supported by the cast-in-place pile combined with permanent and temporary support according to claim 2, characterized in that: The pier (2) and the bottom plate (3) are integrally bound by reinforced concrete and are formed by pouring.

4. The hydraulic structure supported by the cast-in-place pile combined with permanent and temporary support according to claim 2, characterized in that: The cast-in-place pile (1) connected to the bottom plate (3) is internally pre-buried with an anchor, the end of the bottom plate (3) is integrally anchored with the anchor, and the connection between the bottom plate (3) and the cast-in-place pile (1) is further provided with a water stop (6).

5. The hydraulic structure supported by the cast-in-place pile combined with permanent and temporary support according to claim 2, characterized in that: The cast-in-place pile (1) at the joint of the gate and trash rack structure (4) is treated by jump pile, the soil between the two piles is provided with a rotary jet pile (8), and the rotary jet pile (8) and the pier (2) are pre-provided with a gate slot (7) corresponding to the gate and trash rack structure (4).

6. The hydraulic structure supported by the cast-in-place pile combined with permanent and temporary supports according to claim 1, characterized in that: The cast-in-place pile (1) is provided with a concrete finish layer (5) on the river-facing side wall surface, and the thickness of the concrete finish layer (5) is 10-20 cm.

7. The hydraulic structure supported by the cast-in-place pile combined with permanent and temporary supports according to claim 1, characterized in that: The diameter and length of the cast-in-place pile (1) are determined according to the soil layer, cantilever length and load.

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