CN111705905A - Construction method of integral prefabricated water collecting well - Google Patents
Construction method of integral prefabricated water collecting well Download PDFInfo
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- CN111705905A CN111705905A CN202010613469.8A CN202010613469A CN111705905A CN 111705905 A CN111705905 A CN 111705905A CN 202010613469 A CN202010613469 A CN 202010613469A CN 111705905 A CN111705905 A CN 111705905A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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Abstract
The invention relates to the technical field of building construction, in particular to a construction method of an integral prefabricated water collecting well, which comprises the following steps of S1: manufacturing a prefabricated water collecting well according to the required size; s2: according to the main control line, the horizontal positioning line and the elevation control line of the foundation slab at the lofting pit; s3: hooking the prefabricated water collecting well, lifting and moving to an installation place; s4: leveling and correcting according to a bottom plate horizontal control line; s5: filling plain soil to enable the plain soil to be flush with the upper edge of the prefabricated water collecting surface; s6: restoring the reinforcing steel bars above the prefabricated water collecting well, and binding the reinforcing steel bars with the reinforcing steel bars of the bottom plates on two sides; s7: pouring concrete, detaching the horizontal adjusting frame after the concrete on the two sides above the prefabricated water collecting well is completely solidified, pouring the concrete into the opening, and plugging the opening; the invention adopts the installation and construction technology of the integral prefabricated water collecting well, and solves the problems that the traditional construction method is easy to crack and leak, the early stage and the building period are long, the construction progress is influenced by weather, the site water level is high and the like.
Description
Technical Field
The invention relates to the field of buildings, in particular to a construction method of an integral prefabricated water collecting well.
Background
The water collecting well, the pump pit/collecting well, has a larger well diameter and is used for collecting and storing underground water or leaked water.
The water collecting well in the prior art is usually directly built and formed at a selected position, and the problems of cracking, leakage and the like are easy to occur in the forming process.
Disclosure of Invention
In order to solve the problems, the invention provides a construction method of an integral prefabricated water collecting well.
The invention is realized by the following technical scheme:
a construction method of an integral prefabricated water collecting well comprises the following steps:
s1: manufacturing a prefabricated water collecting well according to the required size, wherein four corners of the bottom of the prefabricated water collecting well are provided with openings and hollow support columns for mounting a horizontal adjusting frame;
s2: according to the main control line, the horizontal positioning line and the elevation control line of the foundation slab at the lofting pit, performing lofting on the water collecting well after rechecking;
s3: hooking the prefabricated water collecting well, avoiding the prefabricated water collecting well steel bar during hooking, slowly hoisting, and when the prefabricated water collecting well is 500mm away from the ground, pausing for 1-3min in situ, then continuously lifting and moving to an installation place;
s4: according to a horizontal control line of a bottom plate, guiding the prefabricated water collecting well to slowly fall above the control line of the water collecting well, then installing the prefabricated water collecting well into a horizontal adjusting frame, enabling the prefabricated water collecting well to slowly fall and be erected on the horizontal adjusting frame, carrying out hook removal after the prefabricated water collecting well is stably erected on the horizontal adjusting frame, and carrying out leveling correction through the horizontal adjusting frame;
s5: after leveling and correcting, filling plain soil into the bottom of the prefabricated water collecting well, and then filling the plain soil into the side surface of the prefabricated water collecting well for compaction to enable the plain soil to be level with the upper edge of the prefabricated water collecting well;
s6: restoring the reinforcing steel bars above the prefabricated water collecting well, and binding the reinforcing steel bars with the reinforcing steel bars of the bottom plates on two sides;
s7: after the binding of the reinforcing steel bars of the bottom plate is finished, concrete is poured, the horizontal adjusting frame is detached after the concrete on the two sides above the prefabricated water collecting well is completely solidified, the concrete is poured into the opening, the opening is blocked, and the upper end face of the opening is leveled.
Further, the specific steps of manufacturing the prefabricated water collecting well in the step S1 are as follows:
s11 steel bar processing: bending and binding the fixed steel bars as required to manufacture a steel bar framework;
s12, installing a template: placing a steel bar framework on a thick template, installing a square-shaped template frame on the inner periphery and the outer periphery of the thick template, installing a template between the square-shaped template frame and the steel bar framework, installing and fixing the square-shaped template frame and the template on the inner periphery and the outer periphery through a counter-pulling screw rod and a clamping bolt, and installing a concrete circular mold at the bottom of the steel bar framework;
s13 pouring concrete: pouring concrete into a steel bar framework of the template, inserting a water stop steel plate and a steel bar lifting hook when the concrete is poured to be flush with the upper end of the template, binding the water stop steel plate and the steel bar lifting hook with steel bars through iron wires for fixing the positions, and then performing periodic maintenance on the concrete;
s14, demolding: removing the mold after the water collecting well is completely solidified;
s15 installing hollow support column: and binding the lifting rope on the steel bar lifting hook on one side, slowly lifting to enable the water collecting well to be slowly toppled over, enabling the opening at the bottom of the water collecting well to be turned to the side surface, then concentrically bonding the prefabricated hollow support column on the outer side of the opening through concrete, and preparing the prefabricated water collecting well after the concrete is solidified.
Further, the curing method of the concrete in S13 is as follows:
and during the curing of the concrete with the mold, slightly loosening the template after pouring the concrete for 24-36h to ensure that the distance between the template and the concrete is 3-5mm, and watering.
Preferably, the watering period is 6-8 h/time, and the watering amount during the curing period is 12-15L/m2。
Furthermore, the structure of the prefabricated water collecting well comprises a concrete groove, a steel bar framework embedded in the concrete groove, a water stop steel plate embedded at the top of the concrete layer groove, a hollow support column and a steel bar hook for hoisting the integral prefabricated water collecting well;
openings are formed in four corners of the bottom of the concrete tank, the hollow support columns are concentrically bonded below the openings, and the inner diameter of each hollow support column is larger than that of each opening;
the steel bar framework comprises outer-edge U-shaped steel bars, inner-edge L-shaped steel bars, inner-ring steel bars, inner-cavity fixed steel bars and outer-ring steel bars, the outer-edge U-shaped steel bars are arranged in a cross manner, the intersecting parts of the bottoms of the outer-edge U-shaped steel bars are fixedly connected, the upper ends of the outer-edge U-shaped steel bars penetrate out of the top of the concrete layer groove, the bottom ends of the L-shaped steel bars are fixedly connected with the bottom ends of the outer-edge U-shaped steel bars in the cross manner, the upper ends of the L-shaped steel bars penetrate out of the top of the concrete layer groove, the inner-ring steel bars are uniformly arranged in the longitudinal direction, each inner-ring steel bar is fixedly connected with each L-shaped steel bar vertical section, the outer-ring steel bars are uniformly arranged in the longitudinal direction, each outer-ring steel bar is fixedly connected with each outer-edge U-shaped steel bar vertical section, the inner-cavity fixed, one end of the inner cavity fixing steel bar parallel to the short edge of the concrete layer groove is fixed on the outer ring steel bar, and the other end of the inner cavity fixing steel bar is fixed on the inner ring steel bar.
Furthermore, the steel bar lifting hooks are symmetrically arranged on opposite sides of the top of the concrete tank, and the steel bar lifting hooks are positioned on vertical bisectors of the opposite sides.
Preferably, the length of the hollow support column is 25-30 cm.
Furthermore, horizontal adjusting bracket includes outer tube, well takeover, internal rod, callus on the sole, vaulting pole and cavity nut, well takeover threaded connection is in the inside of outer tube, internal rod threaded connection is in the inside of takeover, the callus on the sole is connected with the internal rod bottom through bulb universal joint, the top of outer tube, well takeover and internal rod all is fixed with the cavity nut, the vaulting pole articulates in the lower extreme of well takeover, and the articulated department of vaulting pole and well takeover is equipped with the torsional spring that makes its automatic recovery reset.
The invention has the beneficial effects that:
the invention adopts the integral prefabricated water collecting well installation construction technology and the concrete integral prefabricated construction method, intensively manufactures the water collecting well components in advance, uniformly hoists, solves the problems of easy cracking and leakage, long early stage and masonry period, construction progress influenced by weather, high site water level and the like in the traditional construction method, and obtains great benefits in the aspects of civilized construction, energy conservation, environmental protection and cost economy. Compared with the traditional process, the technology is simple, cost-saving, good in forming quality and remarkable in economic and social benefits.
In addition, the invention also solves the problems that the levelness of the prefabricated water collecting well is difficult to correct in the hoisting process of the prefabricated water collecting well and the bottom of the prefabricated water collecting well is difficult to fill with the plain soil in the hoisting process, improves the stability of the prefabricated water collecting well after being installed and is suitable for further popularization and application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic of the present invention;
FIG. 2 is a schematic view of the horizontal adjustment frame of the present invention in a supported state;
FIG. 3 is a front sectional view of the prefabricated water collecting well during pouring in the invention;
FIG. 4 is a side sectional view of the prefabricated collector well of the present invention as it is being cast;
FIG. 5 is a schematic view of the prefabricated sump well after being demoulded and bonded with a hollow support column;
FIG. 6 is an elevation view of a prefabricated collector well according to the present invention;
FIG. 7 is a side view of a prefabricated water collection well according to the present invention;
FIG. 8 is a cross-sectional view of a prefabricated sump well A according to the present invention;
FIG. 9 is a cross-sectional view of a prefabricated sump well B of the present invention;
FIG. 10 is a schematic view of the horizontal adjusting frame of the present invention with the stay bars in an expanded state;
FIG. 11 is a schematic view of the horizontal adjusting frame of the present invention in a state where the stay bars are folded.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-2, a construction method of an integral type prefabricated water collecting well comprises the following steps:
s1: manufacturing a prefabricated water collecting well according to the required size, wherein four corners of the bottom of the prefabricated water collecting well are provided with openings 15 for mounting the horizontal adjusting frames 9 and hollow supporting columns 14;
s2: according to the main control line, the horizontal positioning line and the elevation control line of the foundation slab at the lofting pit, performing lofting on the water collecting well after rechecking;
s3: hooking the prefabricated water collecting well, avoiding the prefabricated water collecting well steel bars during hooking, slowly hoisting, stopping in situ for 1-3min when the prefabricated water collecting well is 500mm away from the ground so as to further ensure that the steel bar lifting hook 4 cannot be separated during hoisting, and then continuously lifting and moving to an installation place;
s4: referring to a horizontal control line of a bottom plate, guiding the prefabricated water collecting well to slowly fall to the position above the control line of the water collecting well, then installing the prefabricated water collecting well into a horizontal adjusting frame 9, enabling the prefabricated water collecting well to slowly fall and be erected on the horizontal adjusting frame 9, picking and hooking after the prefabricated water collecting well is stably erected on the horizontal adjusting frame 9, and leveling and correcting through the horizontal adjusting frame 9;
s5: after leveling and correcting, filling plain soil into the bottom of the prefabricated water collecting well, and then filling the plain soil into the side surface of the prefabricated water collecting well for compaction to enable the plain soil to be level with the upper edge of the prefabricated water collecting well; the filling of plain soil can be fixed to prefabricated sump pit.
S6: restoring the reinforcing steel bars above the prefabricated water collecting well, and binding the reinforcing steel bars with the reinforcing steel bars of the bottom plates 13 on two sides;
s7: and after the reinforcement of the bottom plate is finished, pouring concrete, detaching the horizontal adjusting frame 9 after the concrete on the two sides above the prefabricated water collecting well is completely solidified, pouring the concrete into the opening 15, plugging the opening, and leveling the upper end face of the opening 15.
Referring to fig. 3 to 5, the specific steps of manufacturing the prefabricated water collecting well in S1 are as follows:
s11 steel bar processing: bending and binding the fixed steel bars as required to manufacture a steel bar framework 2;
s12, installing a template: placing a steel bar framework 2 on a thick template, installing a square-shaped mold frame 5 on the inner periphery and the outer periphery of the thick template, installing a template 11 between the square-shaped mold frame 5 and the steel bar framework 2, installing and fixing the square-shaped mold frame 5 and the template 11 on the inner periphery and the outer periphery through a counter-pulling screw 8 and a clamping bolt 10, and installing a concrete circular mold 7 at the bottom of the steel bar framework 2;
s13 pouring concrete: pouring concrete into the steel bar framework 2 of the template, inserting the water stop steel plate 3 and the steel bar lifting hook 4 when the concrete is poured to be flush with the upper end of the template 11, binding the water stop steel plate 3 and the steel bar lifting hook 4 through iron wires to fix the positions, and then performing periodic maintenance on the concrete;
s14, demolding: removing the mold after the water collecting well is completely solidified;
s15 installing hollow support column: and binding the lifting rope on the steel bar lifting hook 4 on one side, slowly lifting to enable the water collecting well to slowly topple over, enabling the opening 15 at the bottom of the water collecting well to rotate to the side surface, then concentrically bonding the prefabricated hollow support column 14 to the outer side of the opening 15 through concrete, and preparing the prefabricated water collecting well after the concrete is solidified.
Further, the curing method of the concrete in S13 is as follows:
during the curing of the concrete with the mold, slightly loosening the template after pouring the concrete for 24-36h to ensure that the distance between the template and the concrete is 3-5mm, and watering; wherein the watering period is 6-8 h/time, and the watering amount during the curing period is 12-15L/m2。
Referring to fig. 6-9, the structure of the prefabricated water collecting well comprises a concrete tank 1, a steel bar frame 2 embedded in the concrete tank, a water stop steel plate 3 embedded at the top of the concrete tank 1, a hollow support column 14 and a steel bar hook 4 for hoisting the integral prefabricated water collecting well;
the steel bar framework 2 comprises an outer edge U-shaped steel bar 201, an inner edge L-shaped steel bar 202, an inner ring-shaped steel bar 203, an inner cavity fixing steel bar 204 and an outer ring-shaped steel bar 205, the outer edge U-shaped steel bar 201 is arranged in a cross way, the intersection of the bottom of the outer edge U-shaped steel bar is fixedly connected, the upper end of the outer edge U-shaped steel bar 201 penetrates through the top of the concrete layer groove 1, the bottom end of the L-shaped steel bar 202 is fixedly connected with the bottom end of the cross outer edge U-shaped steel bar 201, the upper end of the L-shaped steel bar 202 penetrates through the top of the concrete layer groove 1, the inner ring-shaped steel bar 203 is uniformly arranged along the longitudinal direction, each inner ring-shaped steel bar 203 is fixedly connected with each vertical section of the L-shaped steel bar 202, the outer ring-shaped steel bar 205 is uniformly arranged along the longitudinal direction, each outer ring-shaped steel bar 205 is fixedly connected with each vertical section of the outer edge U-, one end of an inner cavity fixing steel bar 204 parallel to the short side of the concrete layer groove 1 is fixed on the outer ring steel bar 205, and the other end is fixed on the inner ring steel bar 203; make 2 structures of steel framework more stable, avoid scattered frame.
The length of the water stop steel plate 3 is 300mm, and the length of the water stop steel plate embedded in the concrete tank 1 is 150 mm; after putting into integral prefabricated sump pit, it needs further to pour, and the setting of stagnant water steel sheet 3 can prevent that water from flowing from the cold joint department that forms between the concrete of pouring after and concrete groove 1, has avoided the seepage of sump pit normal water.
The depth of the lower end of the steel bar hook 4 embedded into the concrete groove 1 is 200 mm; as a further preferred, the diameter of the bottom end of the steel bar hook 4 is larger than the diameter of the upper end of the steel bar hook 4, and this arrangement can further prevent the steel bar hook 4 from coming off the concrete tank 1.
The upper ends of the outer edge U-shaped steel bars 201 and the inner edge L-shaped steel bars 202 exceed the concrete groove by 600 mm; after the integral prefabricated water collecting well is placed into the placement point, the upper ends of the outer edge U-shaped steel bars 201 and the inner edge L-shaped steel bars 202 are bound with the bottom plate steel bars on two sides of the water collecting well, so that concrete pouring in the later period is facilitated.
The steel bar lifting hooks 4 are symmetrically arranged on opposite sides of the top of the concrete groove 1, and the steel bar lifting hooks 4 are positioned on vertical bisectors of the arranged opposite sides; when the lifting chain is lifted, the steel bar lifting hooks 4 on the two sides of the lifting chain penetrate through the lifting chain, the lifting chain and the center of gravity of a product can be guaranteed to be in a vertical state, and the prefabricated water collecting well is prevented from inclining in the lifting process.
Further, the length of the hollow support column 14 is 25-30 cm; so that the plain soil is filled under the prefabricated water collecting well.
Referring to fig. 10-11, the horizontal adjusting bracket 9 includes an outer sleeve 901, a middle adapter 902, an inner connecting rod 903, a foot pad 904, a brace 905 and a hollow nut 906, the middle adapter 902 is connected to the inside of the outer sleeve 901 in a threaded manner, the inner connecting rod 903 is connected to the inside of the middle adapter 902 in a threaded manner, the foot pad 904 is connected to the bottom of the inner connecting rod 903 through a ball joint, the hollow nut 906 is fixed to the tops of the outer sleeve 901, the middle adapter 902 and the inner connecting rod 903, the brace 905 is hinged to the lower end of the middle adapter 902, and a torsion spring for automatically recovering and resetting the brace 905 is arranged at the hinged position of the brace 905. When the horizontal adjusting frame 9 is used, the horizontal adjusting frame 9 penetrates through the openings 15 and penetrates into the hollow supporting column 14, then the horizontal adjusting frame is clamped on the hollow screw caps 906 above the outer sleeve 901 and the middle connecting pipe 902 through two groups of wrenches, the hollow screw caps 906 on the middle connecting pipe 902 are fixed and do not rotate, the hollow screw caps 906 on the outer sleeve 901 are rotated to drive the outer sleeve 901 to rotate, the outer sleeve 901 rotates to descend to enable the supporting rods 905 to be outwards supported to support the bottom of the concrete tank 1 (as shown in figure 10), then the wrenches are clamped on the hollow screw caps 906 on the middle connecting pipe 902 and the inner connecting rod 903, the hollow screw caps 906 on the middle connecting pipe 902 are controlled to be not rotated, the hollow screw caps 906 on the inner connecting rod 903 are rotated, and the inner connecting rod 903 is driven to ascend and descend by the rotation of the hollow screw caps 906, so that; when the horizontal adjusting bracket 9 needs to be detached, the inner connecting rod 903 is rotated to move upwards, then the outer sleeve 901 is rotated to move upwards, the supporting rod 905 automatically gathers under the action of the torsion spring after the outer sleeve 901 moves upwards, and then the horizontal adjusting bracket 9 is pulled out from the opening 15. As a further improvement, the inner diameter of the hollow support column 14 is 1.3 to 1.5 times the inner diameter of the opening 15; when the support bar 905 is spread to abut against the inner wall of the hollow support column 14, the angle of the support bar 905 is 15-30 °.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The construction method of the integral prefabricated water collecting well is characterized by comprising the following steps:
s1: manufacturing a prefabricated water collecting well according to the required size, wherein four corners of the bottom of the prefabricated water collecting well are provided with openings (15) for mounting a horizontal adjusting frame (9) and hollow supporting columns (14);
s2: according to the main control line, the horizontal positioning line and the elevation control line of the foundation slab at the lofting pit, performing lofting on the water collecting well after rechecking;
s3: hooking the prefabricated water collecting well, avoiding the prefabricated water collecting well steel bar during hooking, slowly hoisting, and when the prefabricated water collecting well is 500mm away from the ground, pausing for 1-3min in situ, then continuously lifting and moving to an installation place;
s4: according to a horizontal control line of a bottom plate, a prefabricated water collecting well is guided to slowly fall to the position above the control line of the water collecting well, then the prefabricated water collecting well is installed in a horizontal adjusting frame (9) and is slowly descended to be erected on the horizontal adjusting frame (9), the prefabricated water collecting well is picked up after being stably erected on the horizontal adjusting frame (9), and leveling correction is carried out through the horizontal adjusting frame (9);
s5: after leveling and correcting, filling plain soil into the bottom of the prefabricated water collecting well, and then filling the plain soil into the side surface of the prefabricated water collecting well for compaction to enable the plain soil to be level with the upper edge of the prefabricated water collecting well;
s6: restoring the reinforcing steel bars above the prefabricated water collecting well, and binding the reinforcing steel bars with the reinforcing steel bars of the bottom plates on two sides;
s7: after the reinforcement of the bottom plate is finished, concrete is poured, the horizontal adjusting frame (9) is detached after the concrete on the two sides above the prefabricated water collecting well is completely solidified, the concrete is poured into the opening (15), the opening is blocked, and the upper end face of the opening (15) is leveled.
2. The construction method of the integral prefabricated water collecting well according to claim 1, wherein the concrete steps of manufacturing the prefabricated water collecting well in the step S1 are as follows:
s11 steel bar processing: bending and binding the fixed steel bars as required to manufacture a steel bar framework (2);
s12, installing a template: placing a steel bar framework (2) on a thick template, installing a square-shaped template frame (5) on the inner periphery and the outer periphery of the thick template, installing a template (11) between the square-shaped template frame (5) and the steel bar framework (2), installing and fixing the square-shaped template frame (5) and the template (11) on the inner periphery and the outer periphery through a counter-pulling screw rod (8) and a clamping bolt (10), and installing a concrete circular mold (7) at the bottom of the steel bar framework (2);
s13 pouring concrete: pouring concrete into the steel bar framework (2) of the template, inserting the water stop steel plate (3) and the steel bar lifting hook (4) when the concrete is poured to be flush with the upper end of the template (11), binding the water stop steel plate (3) and the steel bar lifting hook (4) through iron wires to fix the positions, and then performing periodic maintenance on the concrete;
s14, demolding: removing the mold after the water collecting well is completely solidified;
s15 installing hollow support column: and binding the lifting rope on the steel bar lifting hook (4) on one side, slowly lifting to enable the water collecting well to slowly topple, enabling the opening (15) at the bottom of the water collecting well to rotate to the side surface, concentrically bonding the prefabricated hollow support column (14) on the outer side of the opening (15) through concrete, and preparing the prefabricated water collecting well after the concrete is solidified.
3. The construction method of the integral type prefabricated water collecting well according to claim 2, wherein the curing method of the concrete in the step S13 is as follows:
and during the curing of the concrete with the mold, slightly loosening the template after pouring the concrete for 24-36h to ensure that the distance between the template and the concrete is 3-5mm, and watering.
4. The construction method of the integral type prefabricated water collecting well according to claim 3, characterized in that the watering period is 6-8 h/time, and the watering amount during the curing period is 12-15L/m2。
5. The construction method of an integral prefabricated water collecting well according to the claim 1 or 2, characterized in that the structure of the prefabricated water collecting well comprises a concrete tank (1), a steel reinforcement frame (2) embedded in the concrete tank, a water stop steel plate (3) embedded at the top of the concrete tank (1), a hollow support column (14) and a steel reinforcement hook (4) for hoisting the integral prefabricated water collecting well;
openings (15) are formed in four corners of the bottom of the concrete tank (1), the hollow support columns (14) are concentrically bonded below the openings (15), and the inner diameters of the hollow support columns (14) are larger than those of the openings (15);
the steel bar framework (2) comprises outer U-shaped steel bars (201), inner L-shaped steel bars (202), inner ring steel bars (203), inner cavity steel bars (204) and outer ring steel bars (205), the outer U-shaped steel bars (201) are arranged in a cross manner, the intersecting parts of the bottoms of the outer U-shaped steel bars are fixedly connected, the upper ends of the outer U-shaped steel bars (201) penetrate out of the top of the concrete layer groove (1), the bottom ends of the L-shaped steel bars (202) are fixedly connected with the bottom ends of the cross outer U-shaped steel bars (201), the upper ends of the L-shaped steel bars (202) penetrate out of the top of the concrete layer groove (1), the inner ring steel bars (203) are uniformly arranged along the longitudinal direction, each inner ring steel bar (203) is fixedly connected with each vertical section of the L-shaped steel bars (202), the outer ring steel bars (205) are uniformly arranged along the longitudinal direction, and each outer ring steel bar (205) is fixedly connected with each vertical section of the outer ring steel bar (201), the inner cavity fixing steel bars (204) are arranged in a cross mode, two ends of the inner cavity fixing steel bars (204) parallel to the long sides of the concrete layer groove (1) are fixed on the outer ring steel bars (205), one end of the inner cavity fixing steel bars (204) parallel to the short sides of the concrete layer groove (1) is fixed on the outer ring steel bars (205), and the other end of the inner cavity fixing steel bars is fixed on the inner ring steel bars (203).
6. The construction method of the integral prefabricated water collecting well is characterized in that the steel bar lifting hooks (4) are symmetrically arranged on opposite sides of the top of the concrete tank (1), and the steel bar lifting hooks (4) are positioned on vertical bisectors of the opposite sides.
7. A method of constructing a prefabricated integral collector well according to claim 5, wherein said hollow support pillars (14) have a length of 25-30 cm.
8. The construction method of the integral prefabricated water collecting well is characterized in that the horizontal adjusting frame (9) comprises an outer sleeve (901), a middle connecting pipe (902), an inner connecting rod (903), a foot pad (904), a stay bar (905) and a hollow nut (906), wherein the middle connecting pipe (902) is in threaded connection with the inside of the outer sleeve (901), the inner connecting rod (903) is in threaded connection with the inside of the middle connecting pipe (902), the foot pad (904) is connected with the bottom of the inner connecting rod (903) through a ball joint universal joint, the hollow nut (906) is fixed at the tops of the outer sleeve (901), the middle connecting pipe (902) and the inner connecting rod (903), the stay bar (905) is hinged to the lower end of the middle connecting pipe (902), and a torsion spring for automatically recovering and resetting the stay bar (905) is arranged at the hinged position of the stay bar (905) and the middle connecting pipe (902).
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| CN104358275B (en) * | 2014-11-19 | 2016-02-03 | 武汉一冶建筑安装工程有限责任公司 | Darker elevator shaft or collecting well construction method |
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