CN217630116U - Front-mounted assembly type water-stop post-pouring belt - Google Patents

Abstract

The utility model provides a leading assembled stagnant water post-cast strip belongs to construction technical field. It has solved the hysteresis quality of current post-cast strip pouring time and has also brought very big inconvenient scheduling problem for the construction. The utility model provides a pair of leading assembled stagnant water post-cast strip, including the box culvert unit, a plurality of box culvert unit is along the post-cast strip construction route concatenation from beginning to end, and the open-top of box culvert unit is used for concreting, and the box culvert unit includes two box culvert main parts, and two box culvert main parts set up along post-cast strip width direction symmetry, are equipped with the horizontally face of placing on two relative both sides faces of box culvert main part and are used for placing the waterstop, and the waterstop is arranged along the box culvert unit vertical continuity. The utility model has the advantages that the box culvert main body is assembled at the construction site after being produced by the factory, the construction is convenient, and the installation is rapid; the precipitation time is greatly shortened, the water pumping amount is greatly reduced, the water resource is effectively maintained, and the power of precipitation is saved.

Description

Front-mounted assembly type water-stop post-pouring belt

Technical Field

The utility model belongs to the technical field of the construction, a watering area behind leading assembled stagnant water is related to.

Background

The post-cast strip is used for preventing harmful cracks possibly generated by cast-in-place reinforced concrete structures due to uneven temperature and shrinkage in building construction, temporary construction joints are reserved at corresponding positions of a foundation slab, a wall and a beam according to design or construction specification requirements, the structures are temporarily divided into a plurality of parts, the construction joints are cast and tamped after a plurality of times through the internal shrinkage of the components, and the structures are connected into a whole. According to different post-pouring belt setting functions, the post-pouring belt is divided into a sedimentation post-pouring belt, a temperature post-pouring belt and a telescopic post-pouring belt.

The closing time of the post-pouring belt is delayed by more than 45-60 d. The hysteresis quality of the post-cast strip pouring time also brings great inconvenience to the construction: the common post-cast strip of the basement cannot be closed for a long time, so that the construction of outer side waterproofing and backfilling is directly influenced, and the construction period is influenced; and in rainy season more likely to cause the underground structure to be filled with muddy water. The foundation is exposed in the air for a long time, and the outer wall of the foundation is easy to generate telescopic cracks due to the existence of day and night temperature difference; potential safety hazards exist because the soil is not immediately backfilled after the foundation is finished; the foundation earthwork is not backfilled to influence the construction of the subsequent process.

When the basement has high and low spans, the climbing joint of the high and low spans is vertical post-cast strip, while the basement is indoor, soil is on the other side, a formwork can not be supported on the soil, and a brick moulding bed can not be made, so that water seepage can not be caused by cheap construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the construction process of the existing post-cast strip, and provides a pre-assembled water-stopping post-cast strip which is convenient to construct and quick to install.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a leading assembled stagnant water post-cast strip, a serial communication port, including the box culvert unit, a plurality of box culvert unit is along the end to end concatenation of post-cast strip construction route, and the open-top of box culvert unit is used for concreting, the box culvert unit includes two box culvert main parts, and two box culvert main parts set up along post-cast strip width direction symmetry, are equipped with the horizontally face of placing on two relative both sides faces of box culvert main part and are used for placing the waterstop, the waterstop is arranged along the box culvert unit is vertical in succession.

In foretell assembled stagnant water post-cast strip, the box culvert main part in be equipped with the baffle, a plurality of baffles set up along horizontal longitudinal separation, become a plurality of box culvert chamber with box culvert main part internal partitioning.

In the above front assembled water-stop post-cast strip, the box culvert body comprises a strip body, a horizontal L-shaped body and a vertical L-shaped body; the two strip-shaped main bodies are symmetrically spliced into a complete strip-shaped box culvert unit; the two vertical L-shaped main bodies are symmetrically spliced into a complete vertical L-shaped box culvert unit, and the horizontal open end and the vertical open end of the vertical L-shaped box culvert unit can be spliced with the two groups of strip-shaped box culvert units respectively; the four horizontal L-shaped main bodies are symmetrically spliced into a cross-shaped box culvert unit in pairs, and four open ends of the cross-shaped box culvert unit can be respectively spliced with four groups of strip-shaped box culvert units.

In foretell assembled stagnant water post-cast strip, vertical L type box culvert unit divide into positive L type box culvert unit and fall L type box culvert unit, positive L type box culvert unit sets up and strides bottom portion at low, falls L type box culvert unit and sets up and stride top portion at high.

In the above-mentioned front assembled type water stop post-pouring strip, the placing surface on the vertical L-shaped box culvert unit is arc-shaped, so that the water stop strip in the strip-shaped box culvert unit spliced with the two open ends of the vertical L-shaped box culvert unit is in arc-shaped transition splicing with the water stop strip in the vertical L-shaped box culvert unit.

In foretell assembled stagnant water post-cast strip, box culvert main part bottom open and to have the connecting hole, connect through the connecting rod between two relative box culvert main parts, the connecting rod passes two connecting holes and connects two box culvert main parts into a box culvert unit.

In the above-mentioned front assembled stagnant water post-cast strip, the connecting rod include rectangular form member, cross member.

In foretell assembled stagnant water post-cast strip, the connecting hole setting of level L type main part bottom arrange in the corner of level L type main part and be 45 jiaos of levels, four connecting holes concatenations of four level L type main parts form the cross connecting hole, above-mentioned cross member inserts in this cross connecting hole to make four level L type main parts splice into a complete cross box culvert unit.

In foretell assembled stagnant water post-cast strip, still fixed being equipped with one on the medial surface of box culvert main part and the middle cavity that flushes of box culvert main part bottom surface, the up end of this middle cavity is for placing the face of placing of waterstop, and above-mentioned connecting rod sets up the inside at this middle cavity, middle cavity is along the vertical continuous arrangement of box culvert main part.

In foretell assembled stagnant water post-cast strip, still be equipped with location structure between two relative box culvert main parts, this location structure is including the installation fixing clip, the cross sectional shape of installation fixing clip is the # -shaped, has all opened vertical spacing draw-in groove on two vertical portions of installation fixing clip, the installation fixing clip inserts downwards in two relative box culvert main parts to make two transverse baffle in the box culvert main part can block into respectively in two spacing draw-in grooves.

In foretell assembled stagnant water post-cast strip, be equipped with hold-down mechanism in the box culvert main part and be used for fixed waterstop, this hold-down mechanism includes clamp plate, fixed head, clamp plate screw rod, the fixed head is fixed to be set up in the box culvert main part, and clamp plate screw rod and this fixed head threaded connection rotate the clamp plate screw rod, make the bottom of clamp plate screw rod support and lean on the clamp plate to compress tightly the clamp plate on the waterstop.

In the above-mentioned leading assembled stagnant water post-cast strip, be equipped with flexible stagnant water pad between two box culvert units of neighbour.

In foretell assembled stagnant water post-cast strip of leading, the top of box culvert main part still be equipped with the cushion and be used for installing the location bottom reinforcing bar, the fixed cushion baffle that is equipped with in box culvert main part top, the cushion baffle is arranged along the vertical continuous of box culvert main part, a plurality of cushions overlap joint in proper order end to end on the cushion baffle, open on the cushion have be used for with place the U type draw-in groove of reinforcing bar.

In the above-mentioned leading assembled stagnant water post-cast strip, the opening size of U type draw-in groove and the external diameter size looks adaptation of reinforcing bar.

In the above-mentioned leading assembled stagnant water post-cast strip, be equipped with a connection bump on the side of cushion, this connection bump is the overlap joint of two cushions.

In the front-mounted water-stop post-cast strip, the cushion blocks are in a strip shape, the cushion blocks are obliquely arranged relative to the cushion block baffle, and the distance between every two adjacent cushion blocks is adjusted at will according to the inclination angles of the cushion blocks so as to be matched with reinforcing steel bars corresponding to different distances.

In the above-mentioned leading assembled stagnant water post-cast strip, the cushion shape be the dysmorphism, the parallel arrangement of cushion relative to cushion baffle, both sides face along the longitudinal direction of cushion all is equipped with an extension piece, above-mentioned connection bump sets up on one of them extension piece, and the connection bump on another cushion adjacent with this cushion can support and lean on another extension piece of this cushion, and each cushion can be followed extension piece length direction translation to the reinforcing bar that corresponds different intervals.

In foretell assembled stagnant water post-cast strip, stagnant water steel sheet, concrete arresting net have been erect to the top of box culvert unit, and concrete arresting net comprises the skeleton of concrete net and fixed concrete net, the skeleton is formed by the concatenation of a plurality of reinforcing bars, concrete arresting net divide into upper concrete arresting net and lower floor concrete arresting net, the horizontally stagnant water steel sheet setting is between vertical upper concrete arresting net and lower floor concrete arresting net, and a plurality of stagnant water steel sheets of group are arranged along the vertical continuous welding of box culvert main part, and a plurality of concrete arresting nets of group are arranged along the vertical continuous of box culvert main part.

In the front-mounted assembled water-stop post-cast strip, the water-stop steel plate is fixedly arranged on an umbrella-shaped support frame, the bottom of the umbrella-shaped support frame is welded and fixed on a cushion block baffle, three U-shaped fixing clamps are further arranged between the concrete barrier net and the bottom layer reinforcing steel bars and are formed by bending steel wires, each three U-shaped fixing clamp is provided with two a bayonets and a b bayonet opposite to the a bayonet in direction, the three U-shaped fixing clamps are symmetrical up and down, the two a bayonets with upward openings of the three U-shaped fixing clamps of the lower group fix the lower end framework of the lower layer concrete barrier net, and the b bayonet with downward openings fixes the bottom layer reinforcing steel bars; the upper end framework of the upper concrete barrier net is fixed by the two downward-opening bayonets a of the three U-shaped fixing clamps of the upper group, and the top-layer reinforcing steel bars are fixed by the upward-opening bayonets b of the three U-shaped fixing clamps of the upper group.

In the above front assembled water-stop post-cast strip, the middle parts of the upper and lower surfaces of the water-stop steel plate are respectively provided with a plurality of staple bolts along the transverse direction for fixing the upper layer concrete blocking net and the lower layer concrete blocking net.

In foretell assembled stagnant water post-cast strip of leading, lower floor's concrete block net be connected through fixed bracing and box culvert main part, this fixed bracing includes vaulting pole, screw rod cover, fixed hook, fixed fixture block, screw rod cover is established outside the vaulting pole and rather than threaded connection, it has installation slot to open on the fixed fixture block, and fixed fixture block inserts downwards in the box culvert main part to make the baffle card in the box culvert main part go into in the installation slot and through the bolt fastening, still be equipped with the fastening drag hook on the fixed fixture block and be used for taut vaulting pole afterbody, the fixed tip that sets up at the screw rod cover of fixed hook, the fixed crotch that is equipped with on the skeleton of lower floor's concrete block net, fixed hook lock connects on this crotch.

In the above pre-assembled water-stop post-cast strip, the box culvert main body is provided with a water-stop member, one end of the water-stop member is fixedly connected with the outer side surface of the box culvert main body, the other end of the water-stop member extends horizontally outwards, the extending end of the water-stop member is vertically upwards and inwards sequentially and continuously bent to form an anchoring end part, and the water-stop member is longitudinally and continuously arranged along the box culvert main body; the water stopping member is also provided with anchoring hooks, and the anchoring hooks are longitudinally arranged at intervals along the box culvert body.

Compared with the prior art, the utility model has the advantages of: the box culvert main body is assembled on a construction site after being produced by a factory, is convenient to construct and quick to install, and can be widely applied to post-cast zones and underground structure expansion joints of basements of civil and industrial building engineering and temporary or permanent engineering application of buildings such as stations, wharfs and the like; the precipitation time is greatly shortened, the water pumping amount is greatly reduced, the water resource is effectively maintained, and the power of precipitation is saved.

Drawings

FIG. 1 is a schematic view of the summary structure of the present invention;

fig. 2 is a schematic structural view of the box culvert unit of the present invention;

figure 3 is a cross-sectional view of the box culvert unit of the present invention;

fig. 4 is an enlarged schematic view of the box culvert unit of the present invention;

fig. 5 is a schematic structural view of the cross-shaped box culvert unit of the utility model;

fig. 6 is a schematic connection diagram of the high-low bay according to the present invention;

fig. 7 is a schematic structural view of the fixed diagonal brace of the present invention;

FIG. 8 is a schematic structural view of a three-U-shaped fixing clip of the present invention;

FIG. 9 is a schematic diagram of the overlapping of the special-shaped cushion blocks of the present invention;

fig. 10 is a schematic diagram of the overlapping of the long strip-shaped cushion block of the present invention.

In the figure, 1, a strip box culvert unit; 2. a positive L-shaped box culvert unit; 3. an inverted L-shaped box culvert unit; 4. a cross-shaped box culvert unit; 6. a strip-shaped main body; 7. a horizontal L-shaped body; 8. a vertical L-shaped body; 9. a water stop band; 10. a partition plate; 11. a strip-shaped bar member; 12. a cross-shaped rod member; 13. a middle cavity; 14. mounting a fixing clip; 15. pressing a plate; 16. a fixed head; 17. a pressure plate screw; 18. cushion blocks; 19. bottom layer steel bars; 20. a cushion block baffle; 21. a U-shaped clamping groove; 22. connecting the salient points; 23. a water stop steel plate; 24. an upper concrete barrier net; 25. a lower concrete barrier net; 26. a framework; 27. an umbrella-shaped support frame; 28. a three-U-shaped fixing clip; 29. a, bayonet mounting; 30. b, bayonet; 31. top layer steel bars; 33. a stay bar; 34. a screw sleeve; 35. a fixed hook; 36. fixing the fixture block; 37. hooking; 38. fastening the draw hook; 39. a water stopping member; 40. an anchoring end; 41. anchoring hooks; 42. an extension piece.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the utility model provides a pair of leading assembled stagnant water post-cast strip, including the box culvert unit, a plurality of box culvert unit is spliced along post-cast strip construction route end to end, and the open-top of box culvert unit is used for concreting, the box culvert unit includes two box culvert main parts, and two box culvert main parts set up along post-cast strip width direction symmetry, are equipped with the horizontally face of placing on two relative both sides faces of box culvert main part and are used for placing waterstop 9, waterstop 9 is along the vertical continuous arrangement of box culvert unit. The box culvert main body in be equipped with baffle 10, a plurality of baffle 10 set up along horizontal longitudinal separation, become a plurality of box culvert chamber with box culvert main body internal partitioning. A flexible water stop pad is arranged between two adjacent box culvert units.

As shown in fig. 5 and 6, the box culvert body comprises a strip-shaped body 6, a horizontal L-shaped body 7 and a vertical L-shaped body 8; the two strip-shaped main bodies 6 are symmetrically spliced into a complete strip-shaped box culvert unit 1; the two vertical L-shaped main bodies 8 are symmetrically spliced into a complete vertical L-shaped box culvert unit, and the horizontal open end and the vertical open end of the vertical L-shaped box culvert unit can be respectively spliced with the two groups of strip-shaped box culvert units 1; the four horizontal L-shaped main bodies 7 are symmetrically spliced into a cross-shaped box culvert unit 4 in pairs, and four open ends of the cross-shaped box culvert unit 4 can be spliced with the four groups of strip-shaped box culvert units 1 respectively. The vertical L-shaped box culvert unit is divided into a positive L-shaped box culvert unit 2 and an inverted L-shaped box culvert unit 3, the positive L-shaped box culvert unit 2 is arranged at the lower cross bottom part, and the inverted L-shaped box culvert unit 3 is arranged at the high cross top part. The placement surface on the vertical L-shaped box culvert unit is arc-shaped, so that the water stop belts 9 in the strip-shaped box culvert units 1 spliced with the two open ends of the vertical L-shaped box culvert unit are in arc-shaped transition splicing with the water stop belts 9 in the vertical L-shaped box culvert unit.

The box culvert unit is characterized in that connecting holes are formed in the bottom of the box culvert body, the two opposite box culvert bodies are connected through connecting rods, and the connecting rods penetrate through the two connecting holes to connect the two box culvert bodies into the box culvert unit. The connecting rod comprises a long bar 11 and a cross bar 12. The connecting hole setting of horizontal L type main part 7 bottom be at the corner of horizontal L type main part 7 and be 45 jiaos of level and arrange, four connecting holes concatenation of four horizontal L type main parts 7 form the cross connecting hole, above-mentioned cross member 12 inserts in this cross connecting hole to make four horizontal L type main parts 7 splice into a complete cross box culvert unit 4.

Still fixedly on the medial surface of box culvert main part be equipped with one with box culvert main part bottom surface flush middle cavity 13, the up end of this middle cavity 13 is for placing the face of placing of waterstop 9, the inside of cavity 13 in the middle of this is provided with to above-mentioned connecting rod, middle cavity 13 is along the vertical continuous arrangement of box culvert main part. The middle cavity 13 can increase the rigidity of the box culvert body, the inner space of the middle cavity 13 can be used for the connecting rod to pass through, and the water stop belt 9 can be placed on the upper end surface of the middle cavity.

As shown in fig. 3 and 4, a positioning structure is further disposed between the two opposite box culvert bodies, the positioning structure includes an installation fixing clip 14, the cross-sectional shape of the installation fixing clip 14 is n-shaped, two vertical portions of the installation fixing clip 14 are both provided with vertical limiting clamping grooves, and the installation fixing clip 14 is inserted downwards into the two opposite box culvert bodies, so that the transverse partition plates 10 in the two box culvert bodies can be respectively clamped into the two limiting clamping grooves. The box culvert main body is provided with a pressing mechanism for fixing the water stop 9, the pressing mechanism comprises a pressing plate 15, a fixing head 16 and a pressing plate screw rod 17, the fixing head 16 is fixedly arranged on the box culvert main body, the pressing plate screw rod 17 is in threaded connection with the fixing head 16, the pressing plate screw rod 17 is rotated, the bottom of the pressing plate screw rod 17 is abutted against the pressing plate 15, and the pressing plate 15 is pressed on the water stop 9.

The reinforced concrete of one deck four centimeters still will be pour to the top of box culvert unit, and the reinforcing bar needs unsettled the arranging moreover, and common reinforcing bar arrangement method is buckled the both ends of reinforcing bar downwards and is supported, but this kind of fixed mode is in the in-service use, and the reinforcing bar location is inaccurate, the concrete can follow the reinforcing bar both ends and flow out when pouring the concrete and need add the condition such as template and take place, consequently the utility model designs a cushion 18 is used for supporting the spacer bar, and cushion 18 sets up still can be used to stop the concrete at the tip of reinforcing bar.

As shown in fig. 9 and 10, the top of the box culvert main body is further provided with a cushion block 18 for installing and positioning bottom layer steel bars 19, the top of the box culvert main body is fixedly provided with a cushion block baffle 20, the cushion block baffle 20 is longitudinally and continuously arranged along the box culvert main body, the cushion blocks 18 are sequentially connected with the cushion block baffle 20 in an end-to-end manner, and the cushion blocks 18 are provided with U-shaped clamping grooves 21 for placing the steel bars. The opening size of the U-shaped clamping groove 21 is matched with the outer diameter size of the steel bar. A connecting salient point 22 is arranged on the side surface of the cushion block 18, and the connecting salient point 22 is a lap joint point of the two cushion blocks 18.

The cushion blocks 18 are long-strip-shaped, the cushion blocks 18 are obliquely arranged relative to the cushion block baffle 20, and the distance between every two adjacent cushion blocks 18 is randomly adjusted according to the inclination angle of the cushion blocks 18 so as to be matched with the reinforcing steel bars with different distances. Cushion 18 shape not confine to one, also can be for the dysmorphism, the relative cushion baffle 20 parallel arrangement of dysmorphism cushion 18, cushion 18 all is equipped with an extension piece 42 along fore-and-aft both sides face, above-mentioned connection bump 22 sets up on one of them extension piece 42, the connection bump 22 on another cushion 18 adjacent with this cushion 18 can support and lean on another extension piece 42 of this cushion 18, extension piece 42 length direction translation can be followed to each cushion 18 to the cooperation corresponds the reinforcing bar of different intervals.

Water stop steel plates 23, concrete arresting nets are erected above the box culvert units, the concrete arresting nets are composed of concrete nets and frameworks 26 of fixed concrete nets, the frameworks 26 are formed by splicing a plurality of steel bars, the concrete arresting nets are divided into upper-layer concrete arresting nets 24 and lower-layer concrete arresting nets 25, the horizontal water stop steel plates 23 are arranged between the vertical upper-layer concrete arresting nets 24 and the lower-layer concrete arresting nets 25, a plurality of groups of water stop steel plates 23 are arranged along the longitudinal continuous welding of the box culvert main body, and a plurality of groups of concrete arresting nets are arranged along the longitudinal continuous welding of the box culvert main body. The middle parts of the upper and lower surfaces of the water stop steel plate 23 are transversely provided with a plurality of staples for fixing an upper concrete barrier net 24 and a lower concrete barrier net 25 respectively.

The water stop steel plate 23 is fixedly arranged on the umbrella-shaped support frame 27, the bottom of the umbrella-shaped support frame 27 is welded and fixed on the cushion block baffle 20, three U-shaped fixing clips 28 are further arranged between the concrete barrier net and the bottom layer steel bar 19, as shown in fig. 8, the three U-shaped fixing clips 28 are formed by bending steel wires, each three U-shaped fixing clip 28 is provided with two a bayonets 29 and one b bayonets 30 opposite to the a bayonets 29 in the direction of facing to the a bayonets 29, the three U-shaped fixing clips 28 are divided into two symmetrical upper and lower groups, the two a bayonets 29 with upward openings of the three U-shaped fixing clips 28 in the lower group fix the lower end framework 26 of the lower layer concrete barrier net 25, and the b bayonets 30 with downward openings fix the bottom layer steel bar 19; two downward-opening bayonets a 29 of the upper group of three U-shaped fixing clips 28 are used for fixing an upper end framework 26 of the upper-layer concrete barrier net 24, and the other upward-opening bayonets b 30 are used for fixing top-layer reinforcing steel bars 31.

The lower concrete arresting net 25 is connected with the box culvert main body through a fixed inclined strut, as shown in fig. 7, the fixed inclined strut comprises a support rod 33, a screw sleeve 34, a fixed hook 35 and a fixed fixture block 36, the screw sleeve 34 is sleeved outside the support rod 33 and is in threaded connection with the support rod, the fixed fixture block 36 is provided with an installation clamping groove, the fixed fixture block 36 is inserted into the box culvert main body downwards, so that the partition plate 10 in the box culvert main body is clamped into the installation clamping groove and is fixed through a bolt, the fixed fixture block 36 is further provided with a fastening drag hook 38 for tensioning the tail of the support rod 33, the fixed hook 35 is fixedly arranged at the end part of the screw sleeve 34, the framework 26 of the lower concrete arresting net 25 is fixedly provided with a hook 37, and the fixed hook 35 is buckled on the hook 37.

The box culvert main body is provided with a water stop member 39, one end of the water stop member 39 is fixedly connected with the outer side surface of the box culvert main body, the other end of the water stop member 39 horizontally extends outwards, the extending end of the water stop member is sequentially and continuously bent upwards and inwards vertically to form an anchoring end 40 part, and the water stop member 39 is longitudinally and continuously arranged along the box culvert main body; the water stopping member 39 is further provided with anchoring hooks 41, and the anchoring hooks 41 are arranged at intervals along the longitudinal direction of the box culvert body. The water stopping member 39 has the function of prolonging the water stopping line to meet the requirements of water prevention and water stopping, and the outer end of the water stopping member 39 is provided with an anchoring end 40 part, so that the effect of increasing the rigidity and the strength of the water stopping member 39 and the anchoring effect can be achieved; the water-stop member 39 is provided with an anchoring hook 41 to form a reliable closed whole of the box culvert unit, thereby playing the role of prepositive water stop.

The utility model discloses a strip type box culvert unit 1 has multiple length specification, and during the construction, installs the vertical L type box culvert of tip earlier, installs the strip type box culvert between two vertical L type box culverts again, according to the length of foundation ditch, calculates the required length specification of strip type box culvert that can match foundation ditch length and the required quantity of each length specification.

The utility model provides a pair of leading assembled stagnant water post-cast strip's construction steps as follows:

step one, excavating an earthwork foundation cushion layer: according to the design requirements of drawings, digging to a design elevation below a foundation cushion layer by adopting a mechanical digging and manual soil clearing mode, and then digging a central groove of not less than 300mm at a post-pouring position, wherein the width of the central groove is equal to the width of each side of a box culvert unit plus 150mm; pouring a concrete cushion layer with the thickness of 100mm on the trimmed and flat base soil and the central groove to reach the designed elevation;

step two, mounting the main body: popping up longitudinal and transverse installation control lines in the central groove according to the design requirements of a drawing and the geometric dimension of the box culvert units, and fully considering the corresponding relation of dimension connection and installation between single box culvert bodies to enable the box culvert units between the transverse direction and the longitudinal direction of the two post-cast strips to be integers; firstly installing vertical L-shaped box culvert units at the end parts from the edge of the outer wall, then installing strip-shaped box culvert units 1 connected at the horizontal open ends of the vertical L-shaped box culvert units, then pouring a vertical shear wall, and then installing strip-shaped box culvert units 1 connected at the vertical open ends of the vertical L-shaped box culvert units;

the splicing steps of each box culvert unit are as follows: (1) connecting rods penetrate through connecting holes in the bottoms of the box culvert bodies, the mounting fixing clamps 14 are inserted into the transverse partition plates 10 of the two opposite box culvert bodies, the mounting fixing clamps 14 are screwed with the lower parts of the partition plates 10 by screws, and the two box culvert bodies are fixed to form a box culvert unit which is finished in a bilateral symmetry mode; (2) repeating the installation step (1), and fixing each group of box culvert main bodies into box culvert units; (3) connecting each box culvert unit by screws, and placing a flexible water stop gasket at the joint of two adjacent box culvert units to ensure that the joint is not water seepage; (4) after all box culvert units in one area are installed and the bracing wires are corrected and the elevation is correct, filling and tamping concrete cushions on two sides of each box culvert unit, namely two sides of a post-cast strip by using concrete with the same label as the cushions, and preventing each box culvert unit from deviating and floating;

step three, mounting the cross box culvert: the cross box culvert is arranged at the cross intersection of the post-cast strip, one end of a cross rod 12 is inserted into a connecting hole at the bottom of one horizontal L-shaped box culvert body on a flat open ground, the other three horizontal L-shaped box culvert bodies are sequentially inserted into the cross rod 12, the connecting holes of the four horizontal L-shaped box culvert bodies are correspondingly inserted into the cross rod 12, and the two adjacent horizontal L-shaped box culvert bodies are fixed by using mounting and fixing clamps 14; after the installation is finished, inserting the strip-shaped rod piece 11 between two adjacent horizontal L-shaped box culvert bodies to splice the two adjacent horizontal L-shaped box culvert bodies into a complete cross-shaped box culvert; after the assembly is finished, manually lifting or hoisting the post-cast strip into a corresponding position at the cross intersection by using a crane, correcting the position according to control lines in four directions, connecting the post-cast strip with the strip box culvert units 1 in the corresponding directions, and pouring concrete around the post-cast strip culvert units after the elevation position is checked to be correct so as to prevent the main body from deviating and floating;

step four, installing a water stop 9: after all the box culvert units in one area are installed in place, placing flexible water stops 9 in the placing surfaces of the box culvert units, and continuously arranging the water stops 9 along the placing surfaces; the water stop belts 9 are connected by hot melting or bonded by glue, the water stop belts 9 are pressed with pressing plates 15, the pressing plates 15 are divided into two groups, the left and right groups of pressing plates 15 are respectively and correspondingly arranged in the placing surfaces of the two groups of box culvert bodies, and the pressing plate screw rods 17 are rotated to enable the pressing plate screw rods 17 to downwards press the pressing plates 15 on the water stop belts 9; the waterproof structure can prevent water seepage and can freely stretch out and draw back, so that structural cracks are prevented;

step five, installing box culvert units at the high-low span connection part: at the high-low span climbing junction, firstly, leveling vertical soil according to requirements, then erecting a template according to the size required by a drawing, and pouring a concrete cushion layer; installing a positive L-shaped box culvert unit 2 at a low span, after installation and correction, pouring concrete for stabilization, then continuously installing a strip-shaped box culvert unit 1 vertically upwards along the position, installing an inverted L-shaped box culvert unit 3 at a high span, adjusting elevation and splicing with the strip-shaped box culvert unit 1 at the low span after correction; the step of splicing the box culvert units refers to the step of splicing the box culvert units in the step two;

step six, installing bottom layer steel bars 19: the cushion blocks 18 are continuously arranged on the cushion block baffle 20, the bottom-layer steel bars 19 are clamped in the U-shaped clamping grooves 21 of the cushion blocks 18, and the distance between the cushion blocks 18 can be adjusted to be right and left according to the difference of the distances between the steel bars;

seventhly, installing a water stop steel plate 23 and a concrete barrier net component: fixing a lower end framework 26 of a lower layer concrete barrier net 25 by using two upward-opening bayonets a 29 of three U-shaped fixing clips 28, and fixing a bottom layer reinforcing steel bar 19 by using another downward-opening bayonets b 30 after the position is adjusted so as to prevent the bottom layer reinforcing steel bar from sliding; after the umbrella-shaped support frame 27 and the concrete arresting net framework 26 are installed, the water stop steel plate 23 is installed; the staple bolts at the lower part of the water stop steel plate 23 are clamped into the upper end framework 26 of the lower layer concrete blocking net, after the staple bolts are installed in place, the staple bolts at the upper part of the water stop steel plate 23 are clamped into the lower end framework 26 of the upper layer concrete blocking net, and the adjacent frameworks 26 are fixed to form the integral framework 26; fixing the upper end framework 26 of the upper layer concrete barrier net 24 by two downward-opening a bayonets 29 of three U-shaped fixing clips 28, and fixing a top layer reinforcing steel bar 31 by another upward-opening b bayonets 30 after the position is adjusted, so as to prevent the top layer reinforcing steel bar from sliding;

step eight, fixing inclined struts for installation: the fixed inclined strut and the lower concrete arresting net framework 26 are installed at the same time, the hook 37 is hooked by the fixed hook 35, and the screw sleeve 34 is rotated to be screwed upwards to prevent sliding; inserting the fixing clamping block 36 downwards into the box culvert body to clamp the partition plate 10, and fixing the fixing clamping block 36 and the partition plate 10 by using screws; the tail part of the stay bar 33 is placed into the fastening drag hook 38, and after the verticality of the concrete blocking net is adjusted, the fastening nut at the tail part of the diagonal bracing is screwed down to prevent loosening and sliding.

It should be understood that in the claims and the description of the present invention, all of "including 8230 \8230;" including 8230; "should be understood as open meaning, i.e., meaning equivalent to" including at least 8230; \8230; "and" including 8230; "should not be understood as closed meaning, i.e., meaning including only 8230;" 8230; ".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a watering area behind leading assembled stagnant water, its characterized in that, including the box culvert unit, a plurality of box culvert unit is along the concatenation of post-cast strip construction route end to end, and the open-top of box culvert unit is used for concreting, the box culvert unit includes two box culvert main parts, and two box culvert main parts set up along post-cast strip width direction symmetry, are equipped with horizontally plane of placing on two relative both sides faces of box culvert main part and are used for placing waterstop (9), waterstop (9) are arranged along the vertical continuity of box culvert unit.

2. The front assembled type water stop post-cast strip according to claim 1, wherein the box culvert body comprises a strip-shaped body (6), a horizontal L-shaped body (7) and a vertical L-shaped body (8); the two strip-shaped main bodies (6) are symmetrically spliced into a complete strip-shaped box culvert unit (1) from left to right; the two vertical L-shaped main bodies (8) are symmetrically spliced into a complete vertical L-shaped box culvert unit, and the horizontal open end and the vertical open end of the vertical L-shaped box culvert unit can be spliced with the two groups of strip-shaped box culvert units (1) respectively; four horizontal L type main parts (7) bisymmetry splice into a cross box culvert unit (4), four open ends of cross box culvert unit (4) can splice with four group's strip type box culvert units (1) respectively, vertical L type box culvert unit divide into positive L type box culvert unit (2) and fall L type box culvert unit (3), positive L type box culvert unit (2) set up and stride bottom portion at low, fall L type box culvert unit (3) set up and stride top portion at high, vertical L type box culvert unit on place the face for circular-arcly to make waterstop (9) in the strip type box culvert unit (1) of two open ends concatenations of vertical L type box culvert unit splice with waterstop (9) circular arc transition in the vertical L type box culvert unit.

3. The front assembled type water stop post-cast strip according to claim 2, wherein the bottom of the box culvert body is provided with connecting holes, two opposite box culvert bodies are connected through connecting rods, the connecting rods pass through the two connecting holes to connect the two box culvert bodies into a box culvert unit, the connecting rods comprise long-strip-shaped rods (11) and cross-shaped rods (12), the connecting holes at the bottom of the horizontal L-shaped body (7) are arranged at the corners of the horizontal L-shaped body (7) and are horizontally arranged at 45 degrees, the four connecting holes of the four horizontal L-shaped bodies (7) are spliced to form the cross-shaped connecting holes, and the cross-shaped rods (12) are inserted into the cross-shaped connecting holes to splice the four horizontal L-shaped bodies (7) into a complete cross-shaped box culvert unit (4).

4. The front assembled water stop post-pouring belt according to claim 1, wherein the box culvert body is internally provided with a plurality of partition boards (10), the partition boards (10) are arranged at intervals along the transverse direction and the longitudinal direction to divide the interior of the box culvert body into a plurality of box culvert cavities, and a positioning structure is further arranged between two opposite box culvert bodies and comprises an installation fixing clip (14), the installation fixing clip (14) is n-shaped in cross section, two vertical parts of the installation fixing clip (14) are respectively provided with a vertical limiting clamping groove, and the installation fixing clip (14) is downwards inserted into the two opposite box culvert bodies so that the transverse partition boards (10) in the two box culvert bodies can be respectively clamped into the two limiting clamping grooves.

5. The front assembled water stop post-pouring strip according to claim 1, wherein a pressing mechanism is arranged on the box culvert body and used for fixing the water stop strip (9), the pressing mechanism comprises a pressing plate (15), a fixing head (16) and a pressing plate screw rod (17), the fixing head (16) is fixedly arranged on the box culvert body, the pressing plate screw rod (17) is in threaded connection with the fixing head (16), and the pressing plate screw rod (17) is rotated to enable the bottom of the pressing plate screw rod (17) to abut against the pressing plate (15) and press the pressing plate (15) on the water stop strip (9).

6. The front assembled water stop post-cast strip according to claim 1, wherein a cushion block (18) is further arranged at the top of the box culvert body and used for installing and positioning bottom layer steel bars (19), a cushion block baffle (20) is fixedly arranged at the top of the box culvert body, the cushion block baffle (20) is longitudinally and continuously arranged along the box culvert body, a plurality of cushion blocks (18) are sequentially overlapped on the cushion block baffle (20) end to end, a U-shaped clamping groove (21) used for placing the steel bars is formed in each cushion block (18), the opening size of each U-shaped clamping groove (21) is matched with the outer diameter size of the steel bars, a connecting convex point (22) is arranged on the side surface of each cushion block (18), and each connecting convex point (22) is an overlapping point of the two cushion blocks (18).

7. The front assembled water-stop post-cast strip according to claim 4, wherein a water-stop steel plate (23) and a concrete barrier net are erected above the box culvert unit, the concrete barrier net is composed of a concrete net and a framework (26) for fixing the concrete net, the framework (26) is formed by splicing a plurality of steel bars, the concrete barrier net is divided into an upper concrete barrier net (24) and a lower concrete barrier net (25), the horizontal water-stop steel plate (23) is arranged between the vertical upper concrete barrier net (24) and the vertical lower concrete barrier net (25), a plurality of groups of water-stop steel plates (23) are longitudinally and continuously welded and arranged along the box culvert body, and a plurality of groups of concrete barrier nets are longitudinally and continuously arranged along the box culvert body.

8. The front-mounted water-stop post-cast strip is characterized in that a water-stop steel plate (23) is fixedly arranged on an umbrella-shaped support frame (27), the bottom of the umbrella-shaped support frame (27) is fixedly welded on a cushion block baffle plate (20), three U-shaped fixing clamps (28) are further arranged between a concrete barrier net and a bottom layer reinforcing steel bar (19), the three U-shaped fixing clamps (28) are formed by bending steel wires, each three U-shaped fixing clamp (28) is provided with two a bayonets (29) and a b bayonets (30) opposite to the a bayonets (29), the three U-shaped fixing clamps (28) are symmetrically arranged in an upper group and a lower group, the two a bayonets (29) with upward openings of the three U-shaped fixing clamps (28) in the lower group fix a lower end framework (26) of the lower layer concrete barrier net (25), and the b bayonets (30) with downward openings fix the bottom layer reinforcing steel bar (19); two bayonets a (29) with downward openings of three U-shaped fixing clips (28) of the upper group are used for fixing an upper end framework (26) of an upper layer concrete blocking net (24), a bayonets b (30) with upward openings are used for fixing a top layer reinforcing steel bar (31), and a plurality of staples are transversely arranged in the middle of the upper surface and the lower surface of the water stop steel plate (23) and are respectively used for fixing the upper layer concrete blocking net (24) and the lower layer concrete blocking net (25).

9. The front assembled water-stop post-cast strip according to claim 7, wherein the lower concrete blocking net (25) is connected with the box culvert body through a fixed diagonal brace, the fixed diagonal brace comprises a support rod (33), a screw sleeve (34), a fixed hook (35) and a fixed clamping block (36), the screw sleeve (34) is sleeved outside the support rod (33) and is in threaded connection with the support rod, an installation clamping groove is formed in the fixed clamping block (36), the fixed clamping block (36) is downwards inserted into the box culvert body, so that a partition plate (10) in the box culvert body is clamped into the installation clamping groove and is fixed through a bolt, a fastening draw hook (38) is further arranged on the fixed clamping block (36) and used for tensioning the tail of the support rod (33), the fixed hook (35) is fixedly arranged at the end of the screw sleeve (34), a hook (37) is fixedly arranged on a framework (26) of the lower concrete blocking net (25), and the fixed hook (35) is fastened on the hook (37).

10. The front assembled type water stop post-pouring belt according to claim 3, characterized in that an intermediate cavity (13) flush with the bottom surface of the box culvert body is fixedly arranged on the inner side surface of the box culvert body, the upper end surface of the intermediate cavity (13) is a placing surface for placing a water stop belt (9), the connecting rod is arranged inside the intermediate cavity (13), the intermediate cavity (13) is continuously arranged along the longitudinal direction of the box culvert body, the box culvert body is provided with a water stop member (39), one end of the water stop member (39) is fixedly connected with the outer side surface of the box culvert body, the other end of the water stop member horizontally extends outwards, the extending end of the water stop member is vertically bent upwards and inwards sequentially to form an anchoring end (40), and the water stop member (39) is continuously arranged along the longitudinal direction of the box culvert body; the water stopping component (39) is further provided with anchoring hooks (41), and the anchoring hooks (41) are arranged at intervals along the longitudinal direction of the box culvert body.

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