CN218345845U - Novel half assembled L type escape canal - Google Patents

Abstract

The utility model discloses a novel half assembled L type escape canal, including the soil matrix, be provided with the pavement layer on the soil matrix, the side of pavement layer is provided with the one end of bottom plate, the other end of bottom plate is provided with dry ash layer, be provided with the curb on the dry ash layer, the slope of bottom plate is an, the inclined plane on curb right side is b with the top surface contained angle of bottom plate, a =10-20%, b = 85-95%. The finished kerbstone is paved and the cast-in-place bottom plate replaces two methods of formwork cast-in-place and slip form machine cast-in-place construction, so that the construction progress is greatly accelerated, the construction cost is effectively controlled, the operation is more convenient, and the construction quality is greatly improved.

Description

Novel half assembled L type escape canal

Technical Field

The utility model belongs to the technical field of the design of road surface basic unit, especially, relate to a novel semi-fabricated L type escape canal.

Background

The Serviea Belgled city-surrounding highway project is located in Serviea capital Belgled, the full length of the project is 20.34Km, the project is a newly-built highway in full width, the project mainly comprises roads, bridges and tunnels, the drainage of the main line surface of the project is designed into a cast-in-place concrete L-shaped drainage ditch, and the full length is 12.64Km. The drainage ditch refers to a water ditch which leads water collected at low-lying positions near a side ditch, a cut-off ditch, a roadbed, a crop field and a house to the roadbed, the crop field and the house field, the depth and the spacing of the drainage ditches in the field are determined according to the drainage system engineering layout and the engineering standard, the flow rate, the water level, the section size and the engineering quantity of drainage ditches at all levels and buildings are analyzed and calculated, and the traditional drainage ditch generally adopts masonry, concrete or brick body structures.

The patent number is CN202011313962.4, the application date is 2020-11-20, and discloses a cast-in-place construction maintenance method for a trapezoidal drainage ditch, which comprises the following steps: step 1: embedding the prefabricated guide beams of the guide positioning device in the soil layer on two sides of the excavated groove; step 2: placing a sliding pouring vehicle; and 3, step 3: adding concrete into a material box of the sliding pouring vehicle, and pushing the sliding pouring vehicle forwards; and 4, step 4: a film covering and supporting frame is arranged above the cast-in-place trapezoidal drainage ditch formed by pouring; and 5: carrying out maintenance operation by using a maintenance trolley; step 6: closing the laminating supporting and pressing frame, and clamping a plastic film between a supporting bottom plate and a pressing plate of the laminating supporting and pressing frame; and 7: and (5) carrying out the recovery operation of the plastic film. This patent is through the slip car of pouring under guide positioning device's restraint, along the path motion that guide positioning device was injectd, can once pour fashioned cast-in-place trapezoidal escape canal, but, carries out cast-in-place construction through a formwork, and technology construction cycle is longer, need consume a large amount of manpower, material resources, and the efficiency of construction is low, and the progress is slow, is unfavorable for cost control.

Patent number is CN201720024916.X, and application date is 2017-01-10, discloses a highway curb drainage ditch slipform machine plastering device and slipform machine, the plastering device includes hopper I, be provided with the grout outlet on the hopper I, the rear end fixedly connected with of hopper I has the plastering plate I that matches with the curb structure, plastering plate I includes roof I and the curb plate I of being connected with roof I, during the use, installs this plastering device on the draw gear of ordinary slipform machine or slipform machine, and the cement thick liquids in the hopper I fall on the rough surface curb from the grout outlet. This patent is smeared cement thick liquids on coarse curb through plastering plate I on the synovial membrane machine for the surface of curb is smooth level and smooth, but, the slipform machine is adopted and is purchased the price and expensive, and the slipform machine depends on the engineering volume size, and the small-project use cost is too high, uses the slipform machine to be unfavorable for the construction on narrow road surface very much.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art's defect, provided a novel half assembled L type escape canal, very big acceleration the construction progress, effectual control construction cost.

In order to solve the technical problem, the technical proposal adopted by the utility model is as follows; the utility model provides a novel half assembled L type escape canal, includes the soil matrix, be provided with the pavement layer on the soil matrix, the side of pavement layer is provided with the one end of bottom plate, the other end of bottom plate is provided with dry ash layer, be provided with the curb on the dry ash layer, the slope of bottom plate is a, the inclined plane on curb right side and the top surface contained angle of bottom plate are b, a =10 ~ 20%, b =85 ~ 95%.

The dry ash layer is in a barb shape, the kerbstone is arranged in the barb shape, an intersection point is formed between the inclined surface of the kerbstone and the top surface of the bottom plate, the heights of the highest point and the intersection point of the barb shape are both D, and D =20cm.

The top surface of curb is C with the bottom surface distance on dry grey layer, the thickness on dry grey layer is E, the width of curb is H, the length of bottom plate is G, and thickness is F.

C =32cm, e =8cm, h =18cm, g =75cm, f =20cm.

The width of curb is 80cm, and two adjacent curb leave the eave tile, the width of eave tile is 1cm.

The pavement layer is made of C20 dry ash, and the bottom plate is made of C30 waterproof concrete.

Compared with the prior art, adopt the utility model has the advantages of:

1. the construction progress is greatly accelerated by laying finished kerbs and a cast-in-place bottom plate instead of a formwork cast-in-place method and a slip form machine cast-in-place construction method, the construction cost is effectively controlled, the operation is more simple and convenient, the construction quality is greatly improved, the cast-in-place bottom plate can be poured by 100-200m each time, a skip bin method is adopted for pouring, the construction quality is guaranteed while the construction progress is accelerated, the bottom plate of the drainage ditch can adjust the bottom of the drainage ditch according to the gradient of the asphalt pavement, the adjusting range is 10% -20%, and the flow can be freely adjusted through the length and the gradient of the bottom plate.

2. The stress area between the bottom plate and the foundation is effectively increased by adopting the inverse hook shape of the dry ash layer, and meanwhile, the barb height is flush with the left measurement height of the bottom plate, so that the mounting strength of the kerbstone is greatly enhanced, and the service life is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of the soleplate 3, the dry ash layer 4 and the kerb 5.

Fig. 3 is a top view of fig. 1.

Shown in the figure: 1-a soil base; 2-pavement layer; 3-a bottom plate; 4-a dry ash layer; 5-kerbstone.

Detailed Description

The invention will be described in further detail with reference to the drawings and the detailed description.

Example 1

As shown in fig. 1-2, a novel semi-fabricated L-shaped drainage ditch comprises a soil foundation 1, a pavement layer 2 is arranged on the soil foundation 1, one end of a bottom plate 3 is arranged on the side surface of the pavement layer 2, a dry ash layer 4 is arranged on the other end of the bottom plate 3, a curb 5 is arranged on the dry ash layer 4, the gradient of the bottom plate 3 is a, the included angle between the inclined surface on the right side of the curb 5 and the top surface of the bottom plate 3 is b, a =10-20%, and b =85-95 °.

The dry ash layer 4 is in a barb shape, the curb 5 is arranged in the barb shape, an intersection point is formed between the inclined surface of the curb 5 and the top surface of the bottom plate 3, the heights of the highest point and the intersection point of the barb shape are both D, and D =20cm.

The top surface of curb 5 is C with the bottom surface distance on dry grey layer 4, the thickness on dry grey layer 4 is E, the width of curb 5 is H, the length of bottom plate 3 is G, and thickness is F.

C =32cm, e =8cm, h =18cm, g =75cm, f =20cm.

The width of the kerbstone 5 is 80cm, pointing is reserved on two adjacent kerbstones 5, and the width of the pointing is 1cm.

The pavement layer 2 is made of C20 dry ash, and the bottom plate 3 is made of C30 waterproof concrete.

The construction progress is greatly accelerated by laying the finished curb 5 and the cast-in-place bottom plate 3 instead of two methods of formwork cast-in-place and slip form machine cast-in-place construction, the construction cost is effectively controlled, the operation is more simple and convenient, the construction quality is greatly improved, the cast-in-place bottom plate 3 can be poured by 100-200m at a time, a skip bin method is adopted for pouring, the construction quality is ensured while the construction progress is accelerated, the bottom plate 3 of the drainage ditch can be adjusted according to the gradient of the asphalt pavement, the adjusting range is 10-20%, and the flow can be freely adjusted through the length and the gradient of the bottom plate 3.

Through dry grey layer 4 adoption barb shape, the effectual lifting surface who increases bottom plate and basis, barb height flushes with 3 left altitudes of bottom plate simultaneously, very big reinforcing curb 5's installation intensity, service life has obtained the reinforcement.

The a =10%, the b =85 °.

The a =20%, the b =95 °.

The a =15%, the b =90 °.

Example 2

A construction method of a novel semi-fabricated L-shaped drainage ditch comprises the following steps:

s1, cutting asphalt joint

Firstly, completing construction of an asphalt structure layer on a pavement layer 2, generally completing construction after an asphalt base layer, or completing construction after the asphalt base layer, measuring and paying off to confirm inner and outer edge points of an L-shaped drainage ditch, cutting the right side position of a placing bottom plate 3 by using an asphalt cutting machine, cutting the placing bottom plate 3 along the length direction, cleaning asphalt blocks after cutting, cutting into grooves capable of placing the bottom plate 3, a dry ash layer 4 and a curb 5, and performing leveling construction on a base according to requirements;

s2, installing kerbstones

Paving a dry ash layer 4 at a position 75cm away from the right end face of the bottom plate 3 in the groove, paving the dry ash layer 4 with a width of 30cm and a thickness of 8cm, spraying a small amount of water after paving, installing a curb 5 on the dry ash layer 4, strictly controlling the top elevation in the installation process of the curb 5, keeping the distance between every two adjacent curbs at 1cm, performing jointing treatment at the later stage, supporting and protecting the outer side of the curb 5 after the curb is installed, keeping the dry ash at a height of 12cm and a width of 12cm, and finally jointing reserved joints between the curbs 5 by adopting cement paste;

s3, pouring at the bottom of the drainage ditch

After the pouring of the kerbstone 5 is finished, the bottom plate 3 can be cast in place, the height of one side of the bottom close to a road axis is kept consistent with the road surface layer 2, the height of the other side of the bottom is kept consistent with the height of a corner inside the kerbstone 5, the included angle between the corner and the kerbstone is 85-95 degrees and is 12cm away from the top of the kerbstone, the bottom plate 3 is constructed by C30 waterproof concrete, the gradient of the bottom plate 3 is 10-20%, as shown in figure 3, compartment pouring is needed to be carried out in the pouring process for preventing concrete shrinkage cracks, and the length of each compartment is 5m.

The above embodiments only express specific embodiments of the present application, and the description is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (6)

1. The utility model provides a novel half assembled L type escape canal, includes soil matrix (1), its characterized in that: be provided with road surface layer (2) on soil matrix (1), the side of road surface layer (2) is provided with the one end of bottom plate (3), the other end of bottom plate (3) is provided with dry ash layer (4), be provided with curb (5) on dry ash layer (4), the slope of bottom plate (3) is a, the inclined plane on curb (5) right side is b with the top surface contained angle of bottom plate (3), a =10-20%, b =85-95 °.

2. The novel semi-fabricated L-shaped drainage ditch of claim 1, wherein: the dry ash layer (4) is in a barb shape, the kerbstone (5) is arranged in the barb shape, an intersection point is formed between the inclined surface of the kerbstone (5) and the top surface of the bottom plate (3), the heights of the highest point and the intersection point of the barb shape are both D, and D =20cm.

3. The novel semi-fabricated L-shaped drainage ditch according to claim 1, wherein: the top surface of curb (5) is C with the bottom surface distance of dry grey layer (4), the thickness of dry grey layer (4) is E, the width of curb (5) is H, the length of bottom plate (3) is G, and thickness is F.

4. The novel semi-fabricated L-shaped drainage ditch according to claim 3, characterized in that: c =32cm, e =8cm, h =18cm, g =75cm, f =20cm.

5. The novel semi-fabricated L-shaped drainage ditch according to claim 1, wherein: the width of the kerbstone (5) is 80cm, pointing is reserved on two adjacent kerbstones (5), and the width of the pointing is 1cm.

6. The novel semi-fabricated L-shaped drainage ditch of claim 1, wherein: the pavement layer (2) is made of C20 dry ash, and the bottom plate (3) is made of C30 waterproof concrete.

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