CN106499006B - Semi-underwater water intake pump house concrete structure and construction method thereof - Google Patents
Semi-underwater water intake pump house concrete structure and construction method thereof Download PDFInfo
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Abstract
The invention discloses a concrete structure of a semi-water intake pump house and a construction method, which can reduce the floating weight, reduce the floating draft and facilitate construction. The semi-underwater water taking pump house concrete structure comprises a front pool and a water inlet room; a water taking pump mounting area is arranged in the forebay; the forebay and the water inlet are of a split structure; the bottom of the forebay is communicated with the water inlet room through a communicating pipe; and a water conduit is arranged at the bottom of the water inlet chamber. The construction method comprises the following steps: 1) designing a forebay and a water inlet room by adopting a blocking method; 2) prefabricating the forebay 4 and the water inlet room 5; and reserving a foundation pile hole; 3) pouring and forming a positioning pile in the reserved foundation pile hole after the floating transportation is in place; 4) after the pile 2 to be positioned is formed, the forebay 4 and the water inlet room 5 are communicated through a communicating pipe 7. By adopting the semi-water intake pump house concrete structure and the construction method, cofferdam construction can be avoided, the weight of a floating transportation part can be effectively reduced, and the construction cost is saved.
Description
Technical Field
The invention relates to a concrete structure of a water intake pump house, in particular to a concrete structure of a semi-aqueous water intake pump house and a construction method thereof.
Background
It is well known that: the water intake pump room is generally composed of a water intake room, a forebay and a water intake pump area; the conventional construction scheme of the semi-water taking pump house is as follows:
(1) prefabricating a pump house on the shore, adopting a floating transportation mode to reach a designed pile position, and then sinking to place to connect a pile foundation with a pump house body;
(2) and forming a construction cofferdam on water, pumping water in the cofferdam to form a dry operation construction environment, and performing cast-in-place structure construction of the pump house body.
Aiming at the situation that the elevation of the bottom plate of a pump house structure is not unified and the elevation of the bottom plate has a large difference when a semi-water take-down pump house with a deep sludge layer is adopted, the following problems can occur if a conventional scheme (1) is adopted:
(a) the bottom plate elevations of the same pump room structure are inconsistent, the mass center of gravity is eccentric, and the integral balance is difficult to control during installation;
(b) the whole floating transportation is carried out, the structure weight is large, the draught depth is large, the existing navigation water depth is difficult to meet the requirements, and the deep channel water depth needs to be excavated;
(c) the connection of the pile foundation and the pump house body is performed underwater, so that the construction difficulty is high, and the construction quality is difficult to ensure;
the construction sequence of the traditional method is as follows: firstly, constructing a pile foundation, then carrying out floating transportation on the pump house body, and then connecting the pile foundation with the pump house body; if the conventional scheme (2) is adopted, there are the following problems:
(a) the cofferdam construction is adopted, and the construction cost is higher under the condition of meeting the safety of the cofferdam due to the overlarge pressure difference between the internal water head and the external water head;
(b) because the water head pressure difference between the inside and the outside of the cofferdam is large, seepage easily occurs, and the dry operation environment in the cofferdam is difficult to ensure.
Disclosure of Invention
The invention aims to solve the technical problem of providing the concrete structure of the semi-water intake pump house, which can reduce the floating weight, reduce the floating draft and facilitate construction.
The technical scheme adopted by the invention for solving the technical problem is as follows: the semi-underwater water taking pump house concrete structure comprises a front pool and a water inlet room; a water taking pump mounting area is arranged in the forebay;
the forebay and the water inlet are of a split structure; the bottom of the forebay is communicated with the water inlet room through a communicating pipe; and a water conduit is arranged at the bottom of the water inlet chamber.
Furthermore, the forebay is provided with a bottom plate and a side wall body; the water inlet room is provided with a water inlet room wall body and a water inlet room bottom plate;
positioning piles are arranged in the side wall body and the water inlet chamber wall body; a first wall and a second wall are arranged in the front pool; the first wall body divides the forebay into a water diversion area and a water supply area; the second wall body is arranged in a water supply area, the water supply area is provided with a water taking pump mounting platform, and the second wall body, the mounting platform and the side wall body enclose a water taking pump mounting area;
the bottom of the water diversion area is communicated with the bottom of the water supply area through a valve; the bottom of the diversion area of the forebay is communicated with the water inlet room through a communicating pipe; and a water conduit is arranged at the bottom of the water inlet chamber.
Preferably, the side wall body comprises a side wall body prefabricated section and a side wall body cast-in-place section; the water inlet chamber wall body comprises a water inlet chamber wall body prefabricated section and a water inlet chamber wall body cast-in-place section; the side wall prefabricated section and the water inlet room wall prefabricated section are prefabricated by concrete pouring; the side wall body cast-in-place section, the water inlet room wall body cast-in-place section, the first wall body and the second wall body are all formed by cast-in-place concrete.
Preferably, the side wall body and the water inlet chamber wall body are cast by precast concrete, and the first wall body and the second wall body are cast by cast-in-place concrete.
Furthermore, locating holes are formed in the side wall body and the water inlet room wall body, the locating piles are located in the locating holes, and the holes between the locating piles and the locating holes are filled with high-strength expansion grouting materials.
The invention also provides a construction method of the concrete structure of the semi-hydrated water intake pump house, which comprises the following steps:
1) a blocking method is adopted, and a part of water inlet room with lower bottom elevation is separated from the whole pump room, so that the pump room forms two independent unit foreponds and water inlet rooms;
2) prefabricating the forebay and the water inlet chamber by concrete pouring; positioning holes are reserved on side wall bodies of the forebay and the water inlet chamber;
3) carrying the prefabricated forebay and the water inlet room in place by floating; pouring positioning piles in positioning holes reserved on a wall body between the forebay and the water inlet chamber after the floating transportation is in place;
4) after the pile to be positioned is formed, the forebay and the water inlet are communicated through a communicating pipe.
Further, when prefabricating the forebay and the water inlet room in the step 2), only prefabricating a side wall prefabricated section of the forebay and a water inlet room wall prefabricated section of the water inlet room in the height direction;
after the piles to be positioned are formed in the step 4), pouring a cast-in-place section of the side wall body on the finished prefabricated section of the side wall body by taking the positioning device as a fixed point and as a construction operation platform; pouring a cast-in-place section of the water inlet chamber wall body on the finished prefabricated section of the water inlet chamber wall body; pouring a first wall body and a second wall body in the front pool; and after the pouring is finished, the front pool and the water inlet room are communicated through a communicating pipe.
Further, the positioning pile is poured in the following mode in the step 3): punching a steel casing in a positioning hole reserved on a side wall body between the forebay and the water inlet chamber, lowering a steel reinforcement cage, and then pouring reinforced concrete in the steel casing;
and 4) after the whole structure is completely poured in the step 4), filling a hole between the positioning pile and the positioning hole with high-strength expansion grouting material, so that the pile foundation and the side wall are integrally connected.
The invention has the beneficial effects that: according to the semi-underwater water taking pump house concrete structure, the front pool and the water inlet room are separated and divided into two units for prefabrication, and the front pool is communicated with the water inlet room through the communicating pipe. Therefore, the part with lower bottom elevation is separated from the whole pump room, and the separated part is flexibly connected with the original part by adopting a pipeline, so that the water taking is ensured to meet the design requirement; therefore, the floating transportation weight can be reduced, the floating transportation draught can be reduced, and the construction is convenient; the existing prefabricated concrete pump house body is fully utilized as a construction operation platform of a cast-in-place concrete structure, so that cofferdam construction in the conventional scheme is avoided, the weight of a floating transportation part is effectively reduced, and the construction cost is greatly saved.
The construction method of the concrete structure of the semi-water intake pump house comprises the following construction sequences: firstly, performing block prefabrication on a pump house body, then floating the pump house body, constructing a positioning pile foundation, then performing cast-in-place structure part construction by taking a prefabricated part of the pump house as a construction platform, and finally performing complete fixed connection of the pile foundation and the pump house body after the whole pump house construction is completed;
the pump house body is prefabricated in blocks, so that the floating transportation weight can be reduced, the floating transportation draft can be reduced, and the construction is convenient; meanwhile, the construction method adopts a post-piling process, the structure is changed from the traditional placement on the pile to the suspension on the pile, and the underwater construction is reasonably changed into the construction above the water surface; therefore, cofferdam construction in the prior method is avoided, the weight of the floating part is effectively reduced, the construction difficulty is greatly reduced, and the construction operability is improved; and the construction cost is saved. Therefore, the construction method of the semi-underwater water intake pump house concrete structure reduces the construction difficulty and effectively ensures the construction quality.
Drawings
FIG. 1 is a plan view of a concrete structure of a pump house for taking water in a semi-water state according to an embodiment of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the connection between the prefabricated part and the cast-in-place part of the pump house body according to the embodiment of the invention;
FIG. 4 is a construction drawing of a spud in an embodiment of the invention;
the following are marked in the figure: 1-a side wall body, 11-a prefabricated section of the side wall body, 12-a cast-in-place section of the side wall body, 2-a positioning pile, 3-a water taking pump installation area, 4-a forebay, 41-a water supply area, 42-a water diversion area, 5-a water inlet chamber, 6-a water inlet chamber wall body, 61-a prefabricated section of the water inlet chamber wall body and 62-a cast-in-place section of the water inlet chamber wall body; 7-communicating pipe, 8-water taking pump, 9-bottom plate, 10-water inlet chamber bottom plate, 101-first wall, 102-second wall, 103-mounting platform, 13-steel casing, 14-hole, 15-reserved steel bar.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 and 2, the concrete structure of the pump house with water intake under semiwater of the invention comprises a front pool 4 and a water intake room 5; a water taking pump mounting area 3 is arranged in the forebay 4;
the forebay 4 and the water inlet room 5 are of a split structure; the bottom of the forebay 4 is communicated with the water inlet chamber 5 through a communicating pipe 7; the bottom of the water inlet room 5 is provided with a water conduit 51.
Specifically, the forebay 4 and the water inlet room 5 are of a split structure; the front pool 4 and the water inlet room 5 are two independent units; the forebay 4 and the intake compartment 5 are constructed separately.
Specifically, the forebay 4 and the water inlet room 5 are of a split structure; the forebay 4 is provided with a bottom plate 9 and a side wall body 1; the water inlet room 5 is provided with a water inlet room wall body 6 and a water inlet room bottom plate 10;
positioning piles 2 are arranged in the side wall body 1 and the water inlet room wall body 6; a first wall 101 and a second wall 102 are arranged in the front pool 4; the first wall 101 divides the forebay 4 into a catchment area 42 and a water supply area 41; the second wall 102 is arranged in the water supply area 41, the water supply area 41 is provided with a water taking pump mounting platform 103, and the second wall 102, the mounting platform 103 and the side wall 1 enclose a water taking pump mounting area 3;
the bottom of the water diversion area 42 is communicated with the bottom of the water supply area 41 through a valve; the bottom of the water diversion area 42 of the forebay 4 is communicated with the water inlet room 5 through a communicating pipe 7; the bottom of the water inlet room 5 is provided with a water conduit 51.
In summary, the concrete structure of the pump house with the water intake in the semi-water state is prefabricated by separating the front pool 4 and the water intake room 5 into two units, and the front pool 4 is communicated with the water intake room 5 through the communicating pipe 7. Therefore, the part with lower bottom elevation is separated from the whole pump room, and the separated part is flexibly connected with the original part by adopting a pipeline, so that the water taking is ensured to meet the design requirement; therefore, the floating transportation weight can be reduced, the floating transportation draught can be reduced, and the construction is convenient; the existing prefabricated concrete pump house body is fully utilized as a construction operation platform of a cast-in-place concrete structure, so that cofferdam construction in the conventional scheme is avoided, the weight of a floating transportation part is effectively reduced, and the construction cost is greatly saved.
In order to further reduce the floating transportation quality, the side wall body 1 comprises a side wall body prefabricated section 11 and a side wall body cast-in-place section 12; the water inlet chamber wall body 6 comprises a water inlet chamber wall body prefabricated section 61 and a water inlet chamber wall body cast-in-place section 62; the side wall body prefabricated section 11 and the water inlet room wall body prefabricated section 61 are prefabricated by concrete pouring, namely, are formed by pouring on shore; the side wall cast-in-place section 12, the water inlet room wall cast-in-place section 62, the first wall 101 and the second wall 102 are all formed by cast-in-place concrete.
In another preferred mode, the side wall body 1 and the water inlet room wall body 6 are cast by precast concrete, and the first wall body 101 and the second wall body 102 are cast by cast-in-place concrete.
In order to enable the positioning pile 2 to be firmly connected with the wall body and form a whole with a stable structure, furthermore, positioning holes are formed in the side wall body 1 and the water inlet chamber wall body 6, the positioning pile 2 is located in the positioning holes, and a hole between the positioning pile 2 and the positioning holes is filled with high-strength expansion grouting material.
The invention also provides a construction method of the concrete structure of the semi-hydrated water intake pump house, which comprises the following steps:
1) a blocking method is adopted, and a part of the water inlet room 5 with lower bottom elevation is separated from the whole pump room, so that the pump room forms two independent unit foreponds 4 and the water inlet room 5;
2) prefabricating the forebay 4 and the water inlet room 5 on the shore through concrete pouring; positioning holes are reserved on the side wall bodies of the forebay 4 and the water inlet chamber 5;
3) carrying the prefabricated forebay 4 and the water inlet room 5 in place by floating; after the floating transportation is in place, pouring positioning piles 2 in positioning holes reserved in the wall body of the front pool 4 and the water inlet room 5;
4) after the pile 2 to be positioned is formed, the forebay 4 and the water inlet room 5 are communicated through a communicating pipe 7.
In the step 1), a blocking method is adopted, and a part of the water inlet room 5 with lower bottom elevation is separated from the whole pump room, so that the pump room forms two independent unit foreponds 4 and the water inlet room 5; through setting up forebay 4 and between 5 into two independent units, consequently can carry out the floating with forebay 4 and between 5 alone of intaking to can alleviate the quality of floating, thereby be convenient for construct.
Prefabricating the forebay 4 and the water inlet room 5 in the step 2) by pouring precast concrete; positioning holes are reserved on the side wall bodies of the forebay 4 and the water inlet chamber 5; thereby preparing for subsequent block floatation. Meanwhile, positioning holes are reserved on the side wall bodies of the forebay 4 and the water inlet chamber 5 to prepare for pouring the positioning piles 2 in the subsequent steps.
Floating and transporting the prefabricated forebay 4 and the water inlet room 5 in place in the step 3); and after the floating transportation is in place, pouring positioning piles 2 in positioning holes reserved in the wall body of the front pool 4 and the water inlet room 5. The floating forebay 4 and the intake chamber 5 can be fixed by casting the spud 2. And the positioning pile 2 after pouring forming can be used as a fixed point, so that a working platform is provided for subsequent operation. The underwater construction is reasonably converted into the construction on the water surface; greatly reducing the construction difficulty and improving the operability of construction.
After the pile 2 to be positioned is formed in the step 4), the forebay 4 and the water inlet chamber 5 are communicated through a communicating pipe 7; thereby ensuring that the water intake meets the design requirements.
In conclusion, the construction method of the concrete structure of the semi-water intake pump house has the following construction sequence: firstly, performing block prefabrication on a pump house body, then floating the pump house body, constructing a positioning pile, then performing cast-in-place structure part construction by taking a prefabricated part of the pump house as a construction platform, and finally performing complete fixed connection of a pile foundation and the pump house body after the whole pump house construction is completed;
the pump house body is prefabricated in blocks, so that the floating transportation weight can be reduced, the floating transportation draft can be reduced, and the construction is convenient; meanwhile, the construction method adopts a post-piling process, changes the structure from the traditional placement on the pile to the suspension on the pile, and reasonably converts the underwater construction into the construction above the water surface; therefore, cofferdam construction in the prior method is avoided, the weight of the floating part is effectively reduced, the construction difficulty is greatly reduced, and the construction operability is improved; and construction cost is saved. Therefore, the construction method of the semi-underwater water intake pump house concrete structure reduces the construction difficulty and effectively ensures the construction quality.
In order to reduce the floating transportation quality, further, when the forebay 4 and the water inlet room 5 are prefabricated in the step 2), only the side wall prefabricated section 11 of the forebay 4 and the water inlet room wall prefabricated section 61 of the water inlet room 5 are prefabricated in the height direction;
after the pile 2 to be positioned is formed in the step 4), pouring a side wall cast-in-place section 12 on the finished side wall prefabricated section 11 by taking the positioning device 2 as a fixing point and as a construction operation platform; pouring a water inlet room wall cast-in-place section 62 on the finished water inlet room wall prefabricated section 61; and a first wall 101 and a second wall 102 are poured in the front pool 4; and after pouring is finished, the front pool 4 is communicated with the water inlet room 5 through a communicating pipe 7. Specifically, the connection between the reserved part and the cast-in-place part is realized by reserving reinforcing steel bars at the prefabricated part.
Since the fore-pool 4 and the intake compartment 5 are partially prefabricated in the height direction when the fore-pool 4 and the intake compartment 5 are prefabricated in step 2), the floating quality can be reduced.
Meanwhile, the method adopts the modes of block floating transportation and piling after a side wall is provided with a hole, so that the underwater construction of the connection between the pile and the structure is effectively converted into the construction on the operation platform on the water surface; therefore, in step 2, the part of the forebay 4 and the water inlet room 5 which are not prefabricated is used as a fixed point in step 4, the positioning device 2 is used as a construction operation platform, and a side wall cast-in-situ section 12 is poured on the completed side wall prefabricated section 11; pouring a water inlet room wall cast-in-place section 62 on the finished water inlet room wall prefabricated section 61; and a first wall 101 and a second wall 102 are poured in the front pool 4; thereby not only reducing the construction difficulty, but also effectively ensuring the construction quality.
In order to improve the stability and the firmness of the connection between the positioning pile 2 and the pump room body, specifically, the following method is adopted in the step 3) to pour the positioning pile 2: punching a steel casing in a positioning hole reserved in a side wall of the forebay 4 and the water inlet room 5, lowering a reinforcement cage, and then pouring reinforced concrete in the steel casing;
and 4) after the whole structure is completely poured in the step 4), filling the hole between the positioning pile 2 and the positioning hole with high-strength expansion grouting material, so that the pile foundation and the side wall are integrally connected.
Examples
As shown in fig. 1 to 4, the concrete structure of the pump house with water intake under semi-water comprises a front pool 4 and a water intake room 5; a water taking pump mounting area 3 is arranged in the forebay 4;
the forebay 4 and the water inlet room 5 are of a split structure; the bottom of the forebay 4 is communicated with the water inlet chamber 5 through a communicating pipe 7; a water conduit 51 is arranged at the bottom of the water inlet room 5.
The forebay 4 is provided with a bottom plate 9 and a side wall body 1; the water inlet room 5 is provided with a water inlet room wall body 6 and a water inlet room bottom plate 10;
positioning piles 2 are arranged in the side wall body 1 and the water inlet room wall body 6; a first wall 101 and a second wall 102 are arranged in the front pool 4; the first wall 101 divides the forebay 4 into a water diversion area 42 and a water supply area 41; the second wall 102 is arranged in the water supply area 41, the water supply area 41 is provided with a water taking pump mounting platform 103, and the second wall 102, the mounting platform 103 and the side wall 1 enclose a water taking pump mounting area 3;
the bottom parts of the diversion area 42 and the water supply area 41 are communicated through a valve; the bottom of the water diversion area 42 of the forebay 4 is communicated with the water inlet room 5 through a communicating pipe 7; the bottom of the water inlet room 5 is provided with a water conduit 51.
The side wall body 1 comprises a side wall body prefabricated section 11 and a side wall body cast-in-place section 12; the water inlet chamber wall body 6 comprises a water inlet chamber wall body prefabricated section 61 and a water inlet chamber wall body cast-in-place section 62; the side wall prefabricated section 11 and the water inlet room wall prefabricated section 61 are prefabricated by concrete pouring, namely the side wall prefabricated section and the water inlet room wall prefabricated section are formed by concrete pouring on the bank; the cast-in-place section 12 of the side wall body, the cast-in-place section 62 of the water inlet room wall body, the first wall body 101 and the second wall body 102 are all formed by casting concrete on site.
Locating holes are formed in the side wall body 1 and the water inlet chamber wall body 6, the locating piles 2 are located in the locating holes, and the holes between the locating piles 2 and the locating holes are filled with high-strength expansion grouting materials.
In the construction process:
1. and a blocking method is adopted, and during design, the part of the water inlet room 5 with lower bottom elevation is separated from the whole pump room. The separated part water inlet room 5 is communicated with the original part forebay 4 by a communicating pipe 7, so that the water taking is ensured to meet the design requirement;
2. prefabricating the forebay 4 and the water inlet room 5 on the shore through concrete pouring; positioning holes are reserved on the side wall bodies of the forebay 4 and the water inlet chamber 5; in order to reduce the weight of the floating transportation part, only parts of the original part of the forebay 4 and the separation part of the water inlet room 5 are prefabricated in the height direction, as shown in figure 2, wherein the prefabricated sections 11 of the side wall body and the prefabricated sections 61 of the water inlet room wall body are prefabricated parts and are not completely prefabricated. The prefabricated height of the side wall prefabricated section 11 and the prefabricated section 61 of the water inlet room wall is the sum of the annual sea level height and the wave ultrahigh H, wherein the wave ultrahigh H is determined according to empirical values of different construction sites.
3. Floating and transporting the prefabricated forebay 4 and the water inlet room 5 in place; after the floating transportation is in place, pouring positioning piles 2 in positioning holes reserved in the wall body of the front pool 4 and the water inlet room 5; and (3) drilling a steel casing in a positioning hole reserved on the side wall body of the forebay 4 and the water inlet room 5, lowering a steel reinforcement cage, and then pouring reinforced concrete in the steel casing. After the pile foundation is formed; the prefabricated parts cannot be shaken freely.
4. After the pile 2 to be positioned is formed, the pile foundation is used as a fixed point and can be used as a construction operation platform; on the construction operation platform, a dry operation construction environment can be provided for the construction of other side walls, and the construction of a cast-in-place reinforced concrete structure can be carried out;
pouring a side wall cast-in-place section 12 on the finished side wall prefabricated section 11; and pouring a cast-in-place section 62 of the water inlet room wall body on the finished prefabricated section 61 of the water inlet room wall body. And a first wall 101 and a second wall 102 are poured in the front pool 4; specifically, the connection between the reserved part and the cast-in-place part is realized by reserving the steel bars 15 at the prefabricated part. And after pouring is finished, the front pool 4 is communicated with the water inlet room 5 through a communicating pipe 7. After the whole structure is completely poured, the hole between the positioning pile and the preformed hole is filled with high-strength expansion grouting material, so that the positioning pile 2 and the side wall body 1 are integrally connected.
5. Finally, after the construction of the semi-underwater intake pump house concrete structure is completed, the intake pump 8 is installed in the intake pump installation area 3, and the water inlet of the intake pump 8 is located in the water supply area 41.
Claims (4)
1. The semi-underwater water taking pump house concrete structure comprises a front pool (4) and a water inlet room (5); a water taking pump mounting area (3) is arranged in the forebay (4);
the method is characterized in that: the forebay (4) and the water inlet room (5) are of a split structure; the bottom of the forebay (4) is communicated with the water inlet chamber (5) through a communicating pipe (7); a water conduit (51) is arranged at the bottom of the water inlet chamber (5);
the forebay (4) is provided with a bottom plate (9) and a side wall body (1); the water inlet room (5) is provided with a water inlet room wall body (6) and a water inlet room bottom plate (10);
positioning piles (2) are arranged in the side wall body (1) and the water inlet room wall body (6); a first wall (101) and a second wall (102) are arranged in the forebay (4); the first wall (101) divides the forebay (4) into a water diversion area (42) and a water supply area (41); the second wall body (102) is arranged in the water supply area (41), the water supply area (41) is provided with a water taking pump mounting platform (103), and the second wall body (102), the mounting platform (103) and the side wall body (1) enclose a water taking pump mounting area (3);
the bottom of the water diversion area (42) is communicated with the bottom of the water supply area (41) through a valve; the bottom of the water diversion area (42) of the forebay (4) is communicated with the water inlet room (5) through a communicating pipe (7); a water conduit (51) is arranged at the bottom of the water inlet chamber (5);
the side wall body (1) comprises a side wall body prefabricated section (11) and a side wall body cast-in-place section (12); the water inlet chamber wall body (6) comprises a water inlet chamber wall body prefabricated section (61) and a water inlet chamber wall body cast-in-place section (62);
all be provided with the locating hole in side wall body (1) and the wall body (6) of intaking, spud (2) are located the locating hole, just the hole between spud (2) and the locating hole adopts the inflation grout that excels in to pour into.
2. The method for constructing a concrete structure of a pump house taking water under semi-water according to claim 1, characterized by comprising the steps of:
1) a blocking method is adopted, and a part of the water inlet room (5) with lower bottom elevation is separated from the whole pump room, so that the pump room forms two independent unit foreponds (4) and the water inlet room (5);
2) prefabricating the forebay (4) and the water inlet room (5) by concrete pouring; positioning holes are reserved on the side wall bodies of the forebay (4) and the water inlet room (5);
3) carrying the prefabricated forebay (4) and the water inlet room (5) in place by floating; after the floating transportation is in place, pouring positioning piles (2) in positioning holes reserved on the wall body of the forebay (4) and the water inlet room (5);
4) after the pile (2) to be positioned is formed, the forebay (4) and the water inlet room (5) are communicated through a communicating pipe (7).
3. The construction method of the concrete structure of the pump house taking water under the hemihydrate as set forth in claim 2, wherein:
when the forebay (4) and the water inlet room (5) are prefabricated in the step 2), only prefabricating a side wall prefabricating section (11) of the forebay (4) and a water inlet room wall prefabricating section (61) of the water inlet room (5) in the height direction;
after the pile (2) to be positioned is molded in the step 4), the positioning pile (2) is used as a fixed point and is used as a construction operation platform, and a side wall cast-in-place section (12) is poured on the completed side wall prefabricated section (11); pouring a cast-in-place section (62) of the water inlet chamber wall body on the finished prefabricated section (61) of the water inlet chamber wall body; and a first wall (101) and a second wall (102) are poured in the front pool (4); after pouring is finished, the front pool (4) and the water inlet room (5) are communicated through a communicating pipe (7).
4. The method for constructing a concrete structure of a pump house taking water under semi-water according to claim 3, characterized in that:
pouring of the positioning pile (2) is carried out in the following mode in the step 3): punching a steel casing (13) in a positioning hole reserved in a side wall of the forebay (4) and the water inlet room (5), lowering a reinforcement cage, and then pouring concrete in the steel casing (13);
and (5) after the whole structure is completely poured in the step 4), pouring a hole (14) between the positioning pile (2) and the positioning hole by adopting high-strength expansion grouting material, so that the pile foundation and the side wall are integrally connected.
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|---|---|---|---|---|
| CN108005170A (en) * | 2017-11-30 | 2018-05-08 | 上海市政工程设计研究总院（集团）有限公司 | A kind of double water source water plant |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0441993A (en) * | 1990-06-01 | 1992-02-12 | Stork Pompen Bv | Method of constructing pump facility and pump facility constructed by said method |
| CN103510531A (en) * | 2013-09-18 | 2014-01-15 | 中交公路长大桥建设国家工程研究中心有限公司 | Split type open caisson pile-added combined anchorage foundation and construction method thereof |
| CN204343385U (en) * | 2014-12-10 | 2015-05-20 | 上海市水利工程设计研究院有限公司 | A kind of combined type water intake pumping station |
| CN204608873U (en) * | 2015-03-13 | 2015-09-02 | 广东省水利水电科学研究院 | Bank and pumping plant forebay at the bottom of pumping plant forebay modified |
| CN105350609A (en) * | 2015-12-08 | 2016-02-24 | 国投钦州发电有限公司 | Nearshore submerged hole deep circulating water taking method for circulating water and facility thereof |
| CN206319362U (en) * | 2016-12-26 | 2017-07-11 | 四川电力设计咨询有限责任公司 | Partly water plant concrete structure under water |
-
2016
- 2016-12-26 CN CN201611218559.7A patent/CN106499006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0441993A (en) * | 1990-06-01 | 1992-02-12 | Stork Pompen Bv | Method of constructing pump facility and pump facility constructed by said method |
| CN103510531A (en) * | 2013-09-18 | 2014-01-15 | 中交公路长大桥建设国家工程研究中心有限公司 | Split type open caisson pile-added combined anchorage foundation and construction method thereof |
| CN204343385U (en) * | 2014-12-10 | 2015-05-20 | 上海市水利工程设计研究院有限公司 | A kind of combined type water intake pumping station |
| CN204608873U (en) * | 2015-03-13 | 2015-09-02 | 广东省水利水电科学研究院 | Bank and pumping plant forebay at the bottom of pumping plant forebay modified |
| CN105350609A (en) * | 2015-12-08 | 2016-02-24 | 国投钦州发电有限公司 | Nearshore submerged hole deep circulating water taking method for circulating water and facility thereof |
| CN206319362U (en) * | 2016-12-26 | 2017-07-11 | 四川电力设计咨询有限责任公司 | Partly water plant concrete structure under water |
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| CN106499006A (en) | 2017-03-15 |
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