CN210482092U - Waterproof culvert structure that leakproofness is good - Google Patents

Abstract

The utility model belongs to the technical field of building construction, and discloses a waterproof culvert structure with good sealing performance, which comprises a bottom plate, two wall plates and a plurality of cover plates, wherein the two wall plates and the cover plates are oppositely arranged, the bottom plate and the wall plates are provided with a plurality of expansion joints, the cover plates are lapped on the wall plates at two sides, the waterproof culvert structure also comprises a plurality of first waterproof burlap paved at the outer side of the wall plates, the first waterproof burlap corresponds to the expansion joints, the first waterproof burlap is arranged along the length direction of the expansion joints, the wall plates are provided with a sealing groove towards one end of the expansion joints, the sealing groove is parallel to the expansion joints, the sealing groove is filled with a first cement mortar layer, two side edges of the first waterproof burlap are respectively paved in the sealing grooves at two sides of the expansion joints, the inner side of the expansion joints is filled with a second cement mortar layer, the outer side is filled with a waterproof burlap, the sealing structure has the advantages of good sealing performance, low construction cost, economy and practicability.

Description

Waterproof culvert structure that leakproofness is good

Technical Field

The utility model relates to a technical field of construction, in particular to waterproof culvert structure that leakproofness is good.

Background

Culverts are structures for roads and railway lines to pass through obstacles such as ditches, dry ditches and roads, and have the main functions of flood drainage, irrigation and traffic. Taking Taizhou bay bridge and wiring engineering as an example, the engineering starts from six-axle town in Sanmen county, is connected with the Sanmen bay bridge and wiring engineering, is connected with the Leqing bay bridge and wiring engineering in southern town of the warm mountain city, has the total length of 102.381km, and is mainly provided with three doors, adjacent sea, Jiaojiang, road bridge and warm mountain along the city of the warm mountain city. The engineering area belongs to the vast sea area of the Bay of Taizhou, east Lin, in the south of Zhejiang, the west is the erosion and corrosion hilly landform, and the terrain is high in the west and low in the east. The northern part is the estuary region where the zanthoxylum bungeanum enters the sea. The middle part is a wide coastal plain. In the south, it is Yi Bay, and hills are alternately distributed with the plain of the area of the sea. The landform type is a sea area plain, the terrain is flat and open, the terrain elevation is about 2.0-3.0 m, the surface water network is densely distributed, the land is mostly a reclamation area along the line, and the land is dense in villages and small towns in the direction of large mileage.

The engineering passes through a large number of ditches, and culverts are required to be arranged at the intersection positions of the roads and the ditches. Also, because culverts are often used in aquatic environments, their durability depends to some extent on the quality of the waterproofing system. If the waterproof system is poor in effect or completely fails, the inner structure of the culvert often has the phenomena of water seepage, water dripping, running water and the like, and is gradually damaged under the erosion of water flow. For the culvert used for traffic, the normal use of the culvert can be directly influenced by accumulated water in the culvert.

Chinese patent No. CN202031042U discloses a reinforced concrete culvert, which comprises a bottom plate, two side wall plates, a cover plate, a cast-in-place concrete construction edge strip, a cast-in-place reinforced concrete inner bottom plate, a bottom leveling cushion layer, a bottom waterproof plate and an upper covering waterproof plate, wherein the bottom plate is a prefabricated bottom plate, the two side wall plates are prefabricated inverted T-shaped wall plates, the cover plate is a prefabricated cover plate with corner legs, the bottom leveling cushion layer is laid on an excavated foundation, the bottom waterproof plate is laid on the bottom leveling cushion layer, the prefabricated bottom plate is laid on the bottom waterproof plate, the prefabricated inverted T-shaped two side wall plates are laid on the prefabricated bottom plate, the prefabricated cover plate with corner legs is laid on the tops of the prefabricated inverted T-shaped two side wall plates, the prefabricated bottom plate and the prefabricated inverted T-shaped two side wall plates are connected through connecting steel bars, cast concrete forms the cast-in-place concrete construction edge strip and the cast-in-place reinforced concrete inner bottom plate, and (3) performing waterproof joint plugging treatment on the construction joints between the prefabricated inverted T-shaped two-side wall plates and the prefabricated cover plates, laying an upper covering waterproof plate, and welding the bottom waterproof plate and the upper covering waterproof plate to form integral sealing.

The reinforced concrete culvert has the characteristics of high construction speed, short construction period, good waterproof effect and the like, but the waterproof effect is mainly realized by means of a bottom waterproof plate and an upper covering waterproof plate. The bottom waterproof board and the upper portion cover the inside and outside moisture exchange of culvert including the culvert cladding of waterproof board, separation culvert, and this also means that its consumptive material is very big, and waterproof cost is too high, and is not economical and practical enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waterproof culvert structure that leakproofness is good has water-proof effects well, has better leakproofness, and construction cost is not high, economical and practical's advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a waterproof culvert structure that leakproofness is good, includes two blocks of wallboard, a plurality of apron that bottom plate, relative setting, be equipped with a plurality of expansion joints on bottom plate and the wallboard, the apron overlap joint is on the wallboard of both sides, still including laying a plurality of first water proof burlap in the wallboard outside, first water proof burlap corresponds with the expansion joint, and first water proof burlap sets up along the length direction of expansion joint, the seal groove has been seted up towards expansion joint one end to the wallboard, the seal groove is parallel with the expansion joint, and the seal groove intussuseption is filled with first cement mortar layer, and the both sides limit of first water proof burlap is laid respectively in the seal groove of expansion joint both sides, the inboard packing of expansion joint has second cement mortar layer, and the outside is filled with water proof burlap, adjacent two it has third cement mortar layer to fill between the apron.

By adopting the technical scheme, two sides of the first waterproof burlap are fixed in the sealing groove through the first cement mortar layer and are stably connected with the wallboard, the middle part shields the expansion joint, and the first waterproof burlap and the wallboard do not have a gap, so that the first waterproof burlap can effectively block water flow under the condition of no damage; the second cement mortar layer and the waterproof flax wadding filled in the expansion joint can further plug the expansion joint, and the third cement mortar layer filled between two adjacent cover plates can seal the gap of the cover plate part, so that the culvert is integrally sealed; the waterproof effect is good, has better leakproofness, and construction cost is not high, economical and practical.

Further, pre-buried a plurality of locking levers in the wallboard, the locking lever is worn out from the tank bottom of seal groove to the cover is equipped with grip block and fastener, the grip block rotates with the locking lever to be connected, and the grip block slides along the length direction of locking lever and sets up on the locking lever, and the grip block offsets with one side of the tank bottom of first water proof burlap dorsad seal groove, the fastener offsets with one side of the grip block dorsad first water proof burlap.

Through adopting above-mentioned technical scheme, before laying first water proof burlap, rotate the grip block to the one side of locking lever first water proof burlap dorsad, lay after first water proof burlap, rotate the grip block to relative with first water proof burlap, and press it to first water proof burlap, and make fastener and grip block one side of first water proof burlap dorsad offset, and then make the grip block hug closely with first water proof burlap, can stabilize, fix the side of first water proof burlap in the seal groove effectively, be convenient for pour into a mould first cement mortar layer.

Further, the fastener includes stopper and spring, stopper and locking lever rigid coupling, the spring is the pressure spring, and the spring is located between grip block and the stopper.

Through adopting above-mentioned technical scheme, the spring is in compression state, and its one end offsets with the stopper, and the other end offsets with the grip block, utilizes spring force can make the grip block hug closely with first water proof burlap.

Furthermore, the fastener is a fastening nut, and the tail end of the lock rod is provided with a threaded part which is in threaded fit with the fastening nut.

Through adopting above-mentioned technical scheme, the fastening nut is screwed in, can press the grip block to the tank bottom of seal groove, fixes first water proof burlap.

Further, two the overlap joint has a plurality of support bars on the wallboard, the support bar is perpendicular with the wallboard, and the transversal type of falling T of personally submitting of support bar, support bar top are located between two adjacent apron, and the support bar upper berth is equipped with the water-proof burlap of second, the terminal overlap joint of apron is on the support bar bottom to offset with the upper surface of the water-proof burlap of second.

Through adopting above-mentioned technical scheme, the support bar upwards supports second water proof burlap, utilizes the apron dead weight to make it press tightly on second water proof burlap, can further strengthen the waterproof ability in adjacent apron clearance.

Further, the border department in support bar both sides is equipped with the bar fixture block, the lower surface correspondence of apron has seted up the bar draw-in groove, the fixture block offsets through the inner wall of second water proof burlap with the draw-in groove.

Through adopting above-mentioned technical scheme, the fixture block drives the draw-in groove of second water proof burlap embedding apron lower surface, makes second water proof burlap laminate with the apron more closely, increases the area of contact of the two simultaneously, and waterproof performance is better.

Furthermore, the upper surface of wallboard has seted up the low groove, the low groove sets up along the length direction of wallboard leads to long, the lower surface of apron both sides is seted up correspondingly the upper groove, upper groove and low groove intussuseption are filled with fourth cement mortar layer.

Through adopting above-mentioned technical scheme, set up relative upper groove and low groove to it fills fourth cement mortar layer in to, makes cement mortar fully fill the space between apron and the wallboard, avoids rivers to follow this infiltration.

Furthermore, exhaust holes are formed in two sides of the cover plate, one end of each exhaust hole is communicated with the bottom of the upper groove, and the other end of each exhaust hole is communicated with the upper surface of the cover plate.

Through adopting above-mentioned technical scheme, when pouring cement mortar in upper groove and the low groove, the air in upper groove and the low groove is discharged smoothly through the exhaust hole, makes fourth cement mortar layer have better shaping quality, and the bubble defect is few.

Furthermore, the lateral wall of apron is gone up the cladding and is had the asbestos pitch layer, asbestos pitch layer both sides extend to the lateral wall top of wallboard.

Through adopting above-mentioned technical scheme, the asbestos supports pitch, makes it keep certain shape, and pitch then plays the effect of water proof, and the two cooperation, the cladding is in the outside of wallboard top and apron, further strengthens the waterproof ability between apron and the wallboard, apron and the apron.

To sum up, the utility model discloses following beneficial effect has:

1. the waterproof effect is good, the sealing performance is good, the construction cost is low, and the waterproof structure is economical and practical;

2. through setting up locking lever, grip block and fastener, can fix it in the seal groove with the help of the grip block after laying first water proof burlap, be convenient for pour into a mould first cement mortar layer.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is a cross-sectional view of the expansion joint on the bottom plate in embodiment 1;

FIG. 3 is a cross-sectional view of the wall panel of embodiment 1 at an expansion joint;

FIG. 4 is a cross-sectional view of the junction of the wall panel and the cover panel of example 1;

FIG. 5 is a sectional view of the joint between two adjacent cover plates in example 1;

fig. 6 is a cross-sectional view of the expansion joint of the wall panel in embodiment 2.

In the figure, 1, a bottom plate; 2. a wallboard; 3. a cover plate; 4. an expansion joint; 5. a first waterproof scrim; 6. a supporting strip; 7. a second waterproof linen; 8. an asbestos asphalt layer; 21. a sealing groove; 22. a first cement mortar layer; 23. a lock lever; 24. a clamping plate; 25. a limiting block; 26. a spring; 27. fastening a nut; 28. a lower groove; 29. a fourth cement mortar layer; 31. a third cement mortar layer; 32. a card slot; 33. an upper groove; 34. an exhaust hole; 41. a second cement mortar layer; 42. water-proof hemp batting; 61. and (7) clamping blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

a waterproof culvert structure with good sealing performance is shown in figure 1 and comprises a bottom plate 1, wall plates 2 and a cover plate 3. The bottom plate 1 is strip-shaped and arranged along the horizontal direction. Wallboard 2 is vertical, sets up in pairs in 1 both sides of bottom plate, follows the length direction of bottom plate 1 and leads to long the setting, and 2 bottoms of wallboard pour as an organic whole with bottom plate 1. The cover plate 3 is arranged along the horizontal direction, is lapped on the top surfaces of the two wall plates 2 and is arranged along the length direction of the bottom plate 1. In addition, a plurality of expansion joints 4 are arranged on the bottom plate 1 and the wall plate 2.

As shown in fig. 1, the top of the outer side wall of the wall panel 2 and the outer side wall of the cover plate 3 are coated with hot asbestos asphalt, forming an asbestos asphalt layer 8, sealing the gap between the cover plate 3 and between the cover plate 3 and the wall panel 2.

As shown in fig. 2 and 3, the inside of the expansion joint 4 is filled with M10 cement mortar to form the second cement mortar layer 41. The outer side of the expansion joint 4 is filled with water-proof hemp batting 42 soaked by asphalt, and the filling depth of the water-proof hemp batting 42 is not less than 2 cm.

As shown in fig. 3, two ends of the wall plate 2 are respectively provided with a sealing groove 21, and the sealing groove 21 is arranged close to the expansion joint 4 and parallel to the expansion joint 4. The first waterproof flax 5 soaked by asphalt is laid at the expansion joint 4 outside the wallboard 2 and arranged along the length direction of the expansion joint 4, and two side edges of the first waterproof flax are respectively positioned at the bottom of the sealing grooves 21 at two sides of the expansion joint 4.

As shown in fig. 3, the first water-resistant scrim 5 does not fill the entire groove bottom of the seal groove 21. The locking rod 23 is perpendicular to the wall plate 2, one end of the locking rod is embedded in the wall plate 2, and the other end of the locking rod penetrates out of the groove bottom of the sealing groove 21 and is not in contact with the first waterproof burlap 5.

As shown in fig. 3, the holding plate 24 is parallel to the bottom of the sealing groove 21 and is located on the side of the first waterproof scrim 5 opposite to the bottom of the sealing groove 21. Further, the clamp plate 24 is rotatably connected to the lock lever 23 and is freely slidable on the lock lever 23 in the axial direction of the lock lever 23.

As shown in fig. 3, the limiting block 25 and the spring 26 are both sleeved at the end of the lock rod 23 and located on the side of the clamping plate 24 facing away from the groove bottom of the sealing groove 21. The two form a fastener for pressing the clamping plate 24 against the first water-proof scrim 5. The limiting block 25 is fixedly connected with the lock rod 23, the spring 26 is always in a compressed state, one end of the spring abuts against the limiting block 25, and the other end of the spring abuts against the clamping plate 24.

As shown in fig. 3, after the first water-resistant scrim 5 is fixed in the seal groove 21 by the holding plate 24, M10 cement mortar is poured into the seal groove 21 to form the first cement mortar layer 22.

As shown in fig. 4, the top surface of the wall plate 2 is provided with a lower groove 28, and the lower groove 28 is arranged along the length direction of the wall plate 2. Correspondingly, the lower surfaces of the two sides of the cover plate 3 are provided with upper grooves 33 which are opposite to the lower grooves 28. In addition, the cover plate 3 is also provided with vent holes 34 on both sides, the axes of the vent holes 34 are vertical, and the groove bottom of the upper groove 33 is communicated with the upper surface of the cover plate 3.

As shown in fig. 4, M10 cement mortar is poured into the lower groove 28 and the upper groove 33, and the lower groove 28, the upper groove 33, and the vent hole 34 are filled to form a fourth cement mortar layer 29.

As shown in fig. 5, the supporting bar 6 is perpendicular to the wall plate 2 (see fig. 1), both ends of the supporting bar are overlapped on the top surface of the wall plate 2 (see fig. 1), the cross section of the supporting bar is in an inverted T shape, the top of the supporting bar is located between two adjacent cover plates 3, and the tail ends of the cover plates 3 are overlapped on the bottom of the supporting bar 6.

As shown in fig. 5, the two side edges of the supporting bar 6 are fixedly provided with the locking block 61, and the locking block 61 is arranged along the length direction of the supporting bar 6. Correspondingly, the lower surface of the end of the cover plate 3 is provided with a strip-shaped clamping groove 32, and the width of the clamping groove 32 is larger than that of the clamping block 61.

As shown in fig. 5, the asphalt impregnated second water-resistant scrim 7 is laid on the support strip 6 to extend along the upper surface of the support strip 6. The end face of the cover plate 3 is abutted against the side face of the top of the support bar 6 through the second water-proof burlap 7, the lower surface of the cover plate 3 is abutted against the upper surface of the bottom of the support bar 6 through the second water-proof burlap 7, and the second water-proof burlap 7 is embedded into the clamping groove 32 along with the clamping block 61.

As shown in fig. 5, M10 cement mortar is filled in the gap between two adjacent cover plates 3, and the cement mortar is located above the second waterproof scrim 7, forming a third cement mortar layer 31.

The specific implementation process comprises the following steps:

the two sides of the first waterproof flax fabrics 5 are fixed in the sealing groove 21 through the first cement mortar layer 22 and are stably connected with the wallboard 2, and the middle part shields the expansion joint 4. Since there is no gap between the first waterproof scrim 5 and the wall panel 2, it can effectively block the water flow without being broken. The second cement mortar layer 41 and the waterproof flax fibre 42 filled in the expansion joint 4 can further plug the expansion joint 4, and the third cement mortar layer 31 filled between two adjacent cover plates 3 can seal the gap between the cover plates 3, so that the culvert is integrally sealed, and the construction cost is low.

Example 2:

the difference from the embodiment 1 is that, as shown in fig. 6, the fastening member adopts a fastening nut 27, and the fastening nut 27 is sleeved on the tail end of the locking rod 23 and is abutted against one side of the clamping plate 24, which is back to the first waterproof scrim 5. The lock bar 23 has a screw portion at its end, which is screw-engaged with the lock bar 23.

The specific implementation process comprises the following steps:

the fastening nut 27 is screwed in to press the holding plate 24 against the bottom of the sealing groove 21, thereby fixing the first water-stop scrim 5.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a waterproof culvert structure that leakproofness is good, includes bottom plate (1), two blocks of wallboard (2), a plurality of apron (3) of relative setting, be equipped with a plurality of expansion joints (4) on bottom plate (1) and wallboard (2), apron (3) overlap joint is on both sides wallboard (2), its characterized in that: still including laying a plurality of first water proof burlap (5) in wallboard (2) outside, first water proof burlap (5) correspond with expansion joint (4), and first water proof burlap (5) set up along the length direction of expansion joint (4), seal groove (21) have been seted up towards expansion joint (4) one end in wallboard (2), seal groove (21) are parallel with expansion joint (4), and the intussuseption of seal groove (21) is filled with first cement mortar layer (22), and the both sides limit of first water proof burlap (5) is laid respectively in seal groove (21) of expansion joint (4) both sides, the inboard packing of expansion joint (4) has second cement mortar layer (41), and the outside is filled has water proof bast (42), adjacent two it has third cement mortar layer (31) to fill between apron (3).

2. The waterproof culvert structure with good sealing performance of claim 1, wherein: pre-buried a plurality of locking levers (23) that have in wallboard (2), locking lever (23) are worn out from the tank bottom of seal groove (21) to the cover is equipped with grip block (24) and fastener, grip block (24) rotate with locking lever (23) and are connected, and grip block (24) slide along the length direction of lock lever (23) and set up on lock lever (23), and grip block (24) offset with one side of the tank bottom of first water proof burlap (5) seal groove (21) dorsad, the fastener offsets with one side of grip block (24) first water proof burlap (5) dorsad.

3. The waterproof culvert structure with good sealing performance of claim 2, wherein: the fastener includes stopper (25) and spring (26), stopper (25) and locking lever (23) rigid coupling, spring (26) are the pressure spring, and spring (26) are located between grip block (24) and stopper (25).

4. The waterproof culvert structure with good sealing performance of claim 2, wherein: the fastener is a fastening nut (27), and the tail end of the lock rod (23) is provided with a threaded part which is in threaded fit with the fastening nut (27).

5. The waterproof culvert structure with good sealing performance of claim 1, wherein: two the overlap joint has a plurality of support bars (6) on wallboard (2), support bar (6) are perpendicular with wallboard (2), and the transversal type of falling T of personally submitting of support bar (6), and support bar (6) top is located between two blocks of adjacent apron (3), and support bar (6) upper berth is equipped with second water proof burlap (7), apron (3) terminal overlap joint is on support bar (6) bottom to offset with the upper surface of second water proof burlap (7).

6. The waterproof culvert structure with good sealing performance of claim 5, wherein: support bar (6) both sides border department is equipped with bar fixture block (61), bar draw-in groove (32) have been seted up in the lower surface correspondence of apron (3), fixture block (61) offset through the inner wall of second water proof burlap (7) with draw-in groove (32).

7. The waterproof culvert structure with good sealing performance of claim 1, wherein: the wallboard is characterized in that a lower groove (28) is formed in the upper surface of the wallboard (2), the lower groove (28) is arranged in the length direction of the wallboard (2), upper grooves (33) are correspondingly formed in the lower surfaces of the two sides of the cover plate (3), and fourth cement mortar layers (29) are filled in the upper grooves (33) and the lower grooves (28).

8. The waterproof culvert structure with good sealing performance of claim 7, wherein: exhaust holes (34) are formed in two sides of the cover plate (3), one end of each exhaust hole (34) is communicated with the bottom of the upper groove (33), and the other end of each exhaust hole is communicated with the upper surface of the cover plate (3).

9. The waterproof culvert structure with good sealing performance of claim 1, wherein: the cladding has asbestos pitch layer (8) on the lateral wall of apron (3), asbestos pitch layer (8) both sides extend to the lateral wall top of wallboard (2).

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