CN208201780U - A kind of shore protection safeguard structure - Google Patents

Abstract

Originally practical to disclose a kind of shore protection safeguard structure, for slope protection works technical field, including shore protection barricade and erosion control spats, erosion control spats includes that multiple reinforced concrete culvert pipe uprightly arranged and the concrete bottom plate being cast in above reinforced concrete culvert pipe bear down on one, and shore protection barricade is built in the top that concrete bottom plate bears down on one.This practical beared down on one using reinforced concrete culvert pipe and concrete bottom plate pours to form erosion control spats, overcomes the shortcomings of that traditional method needs to carry out foundation pit to deep-cut draining, and having the advantages that can be with submersible, reduction difficulty of construction.

Description

A kind of shore protection safeguard structure

Technical field

Originally practical to be related to a kind of shore protection safeguard structure, belong to hydraulic engineering technical field.

Background technique

Channel revetment is to protect river bank slope from the hydraulic structure of current scour, as shown in Figure 1, channel revetment is general It is made of shore protection barricade 1 and erosion control spats 2, the two sides of erosion control spats 2 are respectively native soil layer 4 and river 5, and shore protection barricade 1 pours In the top of erosion control spats 2, the side of shore protection barricade 1 is farmland 3, and traditional erosion control spats 2 is cast in native soil layer 4 in addition to having On basal layer 22 outside, also pour one section of concrete front toe 21, general depth 1.0m ~ 1.5m or so, deep reachable 2m downwards.

Erosion control spats 2, which can be played, guarantees that shore protection barricade 1 is stablized when riverbank is by phenomena such as washing away, feel out, but this is anti- The bottom of spats 2 is rushed lower than river bed theory erosion line 51, man-hour requirement is applied and native soil layer 4 is carried out to deep-cut draining, the duration is longer.

Utility model content

This practical purpose is the above-mentioned deficiency in the presence of overcoming the prior art, and provides a kind of shore protection safeguard structure, Having the advantages that can submersible construction, reduction difficulty of construction.

This practical above-mentioned technical purpose has the technical scheme that

A kind of shore protection safeguard structure including shore protection barricade, erosion control spats, farmland and is located at erosion control spats two sides Native soil layer and river, shore protection barricade are poured in the side in farmland, and erosion control spats includes multiple being uprightly arranged in native soil layer side Reinforced concrete culvert pipe and the concrete bottom plate for being cast in reinforced concrete culvert pipe top bear down on one, and shore protection barricade is built in the top that concrete bottom plate bears down on one.

Through the above technical solutions, traditional erosion control spats to dig out foundation pit in native soil layer and casting concrete forms concrete Front toe has water presence since concrete front toe bottom is lower than river bed theory erosion line in foundation pit, if not carrying out drainage position to foundation pit Reason, cast-in-place concrete front toe are easy to appear segregation phenomenon or form upper layer laitance, aggregate and the adhesive separation of concrete, and intensity is big Amplitude reduction, it is therefore desirable to foundation pit be carried out to deep-cut draining, be now changed to directly place the reinforced concrete culvert uprightly arranged in foundation pit Pipe, concrete bottom plate is poured on reinforced concrete culvert pipe bears down on one and build shore protection barricade again, reinforced concrete culvert pipe be it is pre-formed good, intensity by The influence very little of water, therefore operation can be carried out in the foundation pit with water, difficulty of construction is reduced, when reduction construction formwork erection pours Between, so as to shorten the duration.

Further preferably are as follows: reinforced concrete culvert pipe uses close-packed arrays.

Through the above technical solutions, reinforced concrete culvert pipe uses close-packed arrays, contradict each other, is formed whole between reinforced concrete culvert pipe Body improves the intensity of erosion control spats, facilitates the structural stability of erosion control spats.

Further preferably are as follows: pool slag is filled in reinforced concrete culvert pipe.

Through the above technical solutions, pool slag is the mixture of land waste and soil, pool slag is filled in reinforced concrete culvert pipe, it will be hollow Reinforced concrete culvert pipe be filled into solid, further increase the intensity of reinforced concrete culvert pipe, allow reinforced concrete culvert pipe be resistant to compared with Big pressure.

Further preferably are as follows: river includes river bed theory erosion line, and the pipe range of reinforced concrete culvert pipe is greater than river bed theory and washes away Distance of the line to native soil layer bottom.

Through the above technical solutions, being higher by river bed theory erosion line at the top of reinforced concrete culvert pipe, then in reinforced concrete culvert pipe Top pours concrete bottom plate when bearing down on one, and can adversely affect to avoid river water to pouring concrete bottom plate and bear down on one.

Further preferably are as follows: concrete bottom plate bear down on one in be equipped with more for reinforcing the lacing wires of tensile strength.

It is formed through the above technical solutions, concrete bottom plate bears down on one for casting concrete, concrete anti-compression performance is strong, but cannot Tension is laid with more lacing wires in concrete bottom plate bears down on one, and helps to improve the tensile strength that concrete bottom plate bears down on one.

Further preferably are as follows: reinforced concrete culvert pipe is set to native soil layer side, and lacing wire is located at reinforced concrete culvert pipe and native soil layer is had a common boundary The top at place.

Through the above technical solutions, the positions such as junction, intersection change since structure generates in structural mechanics, this A little places are easy to produce stress concentration, and suffered stress is larger, and lacing wire is layed in the top of reinforced concrete culvert pipe and native soil layer intersection, So that lacing wire is born the biggish tensile stress of intersection, mitigates concrete bottom plate and bear down on one the intersection crack in tension the problem of.

Further preferably are as follows: concrete bottom plate, which bears down on one, to be extended in native soil layer, and shore protection barricade, which pours to bear down on one in concrete bottom plate, is located at original The top position of soil layer.

Through the above technical solutions, shore protection barricade is usually grouted by stone, there is biggish self weight, shore protection barricade pours Bear down on one in concrete bottom plate positioned at the top position of native soil layer, native soil layer can undertake most of pressure from shore protection barricade, mitigate Reinforced concrete culvert pipe pressure, is conducive to being used for a long time for reinforced concrete culvert pipe.

Further preferably are as follows: shore protection barricade is equipped with close to bottom from field to the inclined drainage hole in river, drainage hole and agriculture The intersection in field is filled with loose filler.

Through the above technical solutions, underground water extra in farmland can penetrate into river by drainage hole, farmland is avoided Soil's being over wet causes damages to plant, drainage hole and farmland intersection fill loose filler can stop the soil in farmland into Enter drainage hole and blocks drainage channel.

In conclusion originally practical have the advantages that

It is changed to directly be vertically arranged in foundation pit by traditional mode deep-cut foundation pit in native soil layer and pour concrete front toe Concrete culvert pipe, concrete culvert pipe is pre-formed in advance, laitance and segregation phenomenon will not occurs due to immersion, to guarantee that erosion control spats is good Intensity, therefore can fulfil assignment in the foundation pit with water, save the work flow for deep-cut to foundation pit draining, reduction is applied Work difficulty reduced construction formwork erection and pours the time, so as to shorten the duration.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of traditional erosion control spats；

Fig. 2 is the schematic diagram of the section structure of the present embodiment；

Fig. 3 is the floor plan of erosion control spats in Fig. 2.

In figure, 1, shore protection barricade；11, drainage hole；12 loose fillers；2, erosion control spats；21, basal layer；22, before concrete Toe；23, reinforced concrete culvert pipe；24, concrete bottom plate bears down on one；3, farmland；4, native soil layer；5, river；51, river bed theory erosion line；6, the pool Slag；7, lacing wire.

Specific embodiment

It is described in further detail below in conjunction with attached drawing to originally practical.

A kind of shore protection safeguard structure, as shown in Fig. 2, including shore protection barricade 1, erosion control spats 2, farmland 3 and being located at The native soil layer 4 and river 5 of 2 two sides of erosion control spats.Shore protection barricade 1 is poured using block stone in the side in farmland 3, and erosion control spats 2 wraps Several reinforced concrete culvert pipe 23 for being arranged closely in 4 side of native soil layer vertically are included, are mutually offseted between adjacent reinforced concrete culvert pipe 23 It touches (referring to Fig. 3), erosion control spats 2 further includes that the concrete bottom plate for pouring in reinforced concrete culvert pipe 23 above bears down on one 24, the masonry of shore protection barricade 1 Bear down on one on 24 in concrete bottom plate.

As shown in Fig. 2, concrete bottom plate bears down on one, 24 one end are cast on reinforced concrete culvert pipe 23, and the other end extends in native soil layer 4, Concrete bottom plate bears down on one in 24 close to 4 boundary paving of reinforced concrete culvert pipe 23 and native soil layer place equipped with several lacing wires 7 having a size of 12mm, lacing wire 7 along 23 orientation of reinforced concrete culvert pipe with 300mm equidistantly distributed.Reinforced concrete culvert pipe 23 is having a size of 500mm, and central filler has Pool slag 6, the pipe range L1 of reinforced concrete culvert pipe 23 be 1.5m and be greater than the bottom of native soil layer 4 to the distance of river bed theory erosion line 51, Concrete bottom plate bear down on one 24 pour thickness L2 be 0.3m.

As shown in Fig. 2, 1 section of shore protection barricade is trapezoidal, and shore protection barricade 1 builds and bears down on one 24 positioned at native soil layer in concrete bottom plate 4 top position, 1 bottom of shore protection barricade are close to bear down on one 24 one end distance L3 of one end and the concrete bottom plate of reinforced concrete culvert pipe 23 0.5m。

In order to make shore protection barricade 1 while playing the role of flood control, prevention waterlogging, also there is certain water penetration, shore protection barricade 1 Position close to bottom offers drainage hole 11, and drainage hole 11 is tilted from farmland 3 to 5 direction of river, drainage hole 11 and farmland 3 Intersection is laid with the loose fillers 12 such as larger-size gravel and is compacted using backfilling of earthwork, and setting in this way can make farmland 3 Extra underground water is discharged into river by drainage hole 11, and the soil in farmland 3 will not block drainage hole 11.

The construction procedure of the present embodiment are as follows: excavate base in native soil layer 4 carrying out first digging before basis pours to shore protection barricade 1 Hole, then using the reinforced concrete culvert pipe 23(length having a size of φ 500 can be 1.2m ~ 2.0m), using upright close-packed arrays, pipe Pool slag 6 is inside filled, excavation face is then backfilled, concrete bottom plate is poured in the top of reinforced concrete culvert pipe 23 and bears down on one and 24 and extend to native soil layer In 4, shore protection barricade 1 is finally built.

This specific embodiment is only the explanation practical to this, is not the limitation practical to this, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in practical scope of the claims.

Claims (8)

1. a kind of shore protection safeguard structure, including shore protection barricade (1), erosion control spats (2), farmland (3) and it is located at erosion control shield The native soil layer (4) of foot (2) two sides and river (5), shore protection barricade (1) are poured in the side of farmland (3), it is characterized in that: described anti- Rushing spats (2) includes multiple being uprightly arranged in the reinforced concrete culvert pipe (23) of native soil layer (4) side and being cast in reinforced concrete culvert The concrete bottom plate on pipe (23) top bears down on one (24), and the shore protection barricade (1) builds to be beared down on one the top of (24) in the concrete bottom plate.

2. a kind of shore protection safeguard structure according to claim 1, it is characterized in that: the reinforced concrete culvert pipe (23) is using close Arrangement.

3. a kind of shore protection safeguard structure according to claim 2, it is characterized in that: being filled in the reinforced concrete culvert pipe (23) Pool slag (6).

4. a kind of shore protection safeguard structure according to claim 3, it is characterized in that: the river (5) include the punching of river bed theory Brush line (51), the pipe range of the reinforced concrete culvert pipe (23) are greater than the distance that river bed theory erosion line (51) arrives native soil layer (4) bottom.

5. a kind of shore protection safeguard structure according to claim 1 is equipped in (24) it is characterized in that: the concrete bottom plate bears down on one More for reinforcing the lacing wire (7) of tensile strength.

6. a kind of shore protection safeguard structure according to claim 5, it is characterized in that: the lacing wire (7) is located at the reinforced concrete The top of culvert pipe (23) and native soil layer (4) intersection.

7. a kind of shore protection safeguard structure according to claim 1, it is characterized in that: the concrete bottom plate bears down on one, (24) extend to institute State in native soil layer (4), the shore protection barricade (1) pour in the concrete bottom plate bear down on one (24) be located at the top position of native soil layer (4).

8. a kind of shore protection safeguard structure according to claim 1, it is characterized in that: the shore protection barricade (1) is set close to bottom Have from farmland (3) to the inclined drainage hole in river (11), the drainage hole (11) and the intersection of farmland (3) are filled out filled with loose Fill object (12).