Prefabricated revetment structure of river channel

Abstract

The utility model provides a river channel prefabricated revetment structure which is reasonable in structural design, efficient in construction, safe, economical and capable of meeting the landscape requirement. The precast pile comprises a precast pile, an anchor bolt structure, a pile head, a breast board and a block stone building surface, the block stone surfaces are fixed on two sides of the river channel; the precast pile is formed by vertically splicing at least two pile sections, the upper pile section and the lower pile section are fixed together through an anchor bolt structure, and the lowest pile section and the pile head are connected and fixed together. The multiple precast piles are arranged side by side in the river channel direction, a soil retaining plate is arranged between every two adjacent precast piles, and each soil retaining plate comprises a precast slab, drainage holes and a geonet. Grooves are formed in the two sides of the pile section, and the side edges of the prefabricated slabs are pressed into the grooves. Weep holes are formed in the prefabricated plate, the geonet is fixed on the prefabricated plate, and the geonet is fixed with a block stone building surface of a river channel.

Description

Technical Field

[0001] The utility model relates to a prefabricated riverbank structure. Background Art

[0002] At present, in the process of constructing new river channels in cities, retaining structures are often required to prevent the loss of river bank soil under long-term scouring and meet certain landscape requirements. At present, gravity retaining walls are mostly used as river bank revetments. In order to reduce the scouring of the river channel on the retaining structure, the foundation of the traditional retaining wall needs to enter below the riverbed, resulting in a large excavation depth of the retaining wall and the formation of a deep and long foundation pit. Especially when the construction space is limited and there are no slope conditions, temporary support is often required for the construction of the retaining wall. In this process, the retaining structure is constructed twice, which affects the construction period and causes engineering waste. In view of this situation, it is necessary to study a river bank revetment structure that is efficient, safe and economical in construction and meets landscape requirements. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a river channel prefabricated revetment structure which has reasonable structural design, efficient construction, safety and economy and meets the requirements of landscape.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problems is: a prefabricated river revetment structure, characterized in that it includes prefabricated piles, anchor bolt structures, pile heads, retaining plates and block stone masonry surfaces; the block stone masonry surfaces are fixed on both sides of the river channel; the prefabricated piles are formed by splicing at least two pile sections up and down, the upper and lower pile sections are fixed together by the anchor bolt structure, and the lowermost pile section and the pile head are connected and fixed together; there are multiple prefabricated piles, which are arranged side by side along the river channel direction, and a retaining plate is arranged between two adjacent prefabricated piles, and the retaining plate includes a prefabricated plate, a drainage hole and a geonet; grooves are arranged on both sides of the pile section, and the side edges of the prefabricated plate are pressed into the grooves; the prefabricated plate is provided with a drainage hole, the geonet is fixed on the prefabricated plate, and the geonet is fixed to the block stone masonry surface of the river channel.

[0005] The prefabricated piles described in the utility model are prefabricated reinforced concrete structures or steel sections.

[0006] The anchor bolt structure of the utility model comprises an anchor bolt and an anchor groove. The top of the pile section is provided with an anchor groove, the bottom is provided with an anchor bolt, and the anchor bolt of the upper pile section is inserted into the anchor groove of the lower pile section.

[0007] The pile head described in the utility model is a prefabricated reinforced concrete structure or steel.

[0008] The top of the pile head of the utility model is provided with an anchor groove, and the anchor bolt of the lowest pile section is inserted into the anchor groove of the pile head.

[0009] The earth retaining plates of the utility model are multiple and are arranged in sequence from top to bottom. The upper and lower earth retaining plates are connected together through a mortise and tenon structure.

[0010] Compared with the prior art, the utility model has the following advantages and effects:

[0011] 1. The utility model revetment system combines prefabricated piles with retaining plates. The structure can be produced in the factory and connected to the required length and size on site by connecting anchor bolts. The construction is efficient and environmentally friendly.

[0012] 2. The utility model prefabricated piles are constructed first, and the retaining board is constructed later. The retaining board has a mortise and tenon structure on the upper and lower parts, and is assembled to form a whole. The prefabricated pile section is reserved with grooves to facilitate the later insertion of the retaining board. The retaining board is embedded between the prefabricated piles, and the structure is safe and reliable.

[0013] 3. The utility model uses precast piles to be embedded in the riverbed at intervals, and uses retaining plates between adjacent precast piles to prevent soil loss between the precast piles. The combination of precast piles and retaining plates not only ensures the safety and reliability of the structural force system, but also avoids the increase in engineering costs due to over-dense precast piles.

[0014] 4. The retaining plate of the utility model is provided with drainage holes and geonets. The drainage holes are anti-filtration structures, which are convenient for the normal drainage of groundwater on the soil side of the revetment structure without soil loss. The geonets provide protection for the safety of subsequent block stone masonry surfaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of the elevation structure of the prefabricated piles, retaining plates and pile heads connected in the embodiment of the utility model.

[0017] Figure 3 This is a schematic structural diagram of the connection between the prefabricated pile and the pile head according to an embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the connection between the prefabricated piles and the retaining plate in the embodiment of the utility model.

[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of the anchor bolt according to the embodiment of the utility model.

[0020] Figure 6 The utility model is a schematic diagram of the vertical structure of the retaining board according to the embodiment of the utility model.

[0021] Figure 7 It is a schematic diagram of the side structure of the earth retaining plate according to an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0023] The embodiment of the utility model comprises a prefabricated pile 1, an anchor bolt structure 2, a pile head 3, a retaining plate 4 and a block stone masonry surface 5.

[0024] The block stone masonry 5 is fixed on both sides of the river channel and can be mortar-laid block stone or other facing structures, and can be set according to actual needs to meet the landscape requirements of the outer facade of the embankment.

[0025] The precast pile 1 is generally a precast reinforced concrete structure or steel, which is a slender structure with a certain strength. It can be produced in a factory into a standard section of a certain length. The precast pile 1 is composed of at least two pile sections 1.2 spliced ​​up and down. The upper and lower pile sections 1.2 are fixed together by an anchor bolt structure 2. The anchor bolt structure 2 includes an anchor bolt 2.1 and an anchor groove 2.2. The top of the pile section 1.2 is provided with an anchor groove 2.2, and the bottom is provided with an anchor bolt 2.1. The anchor bolt 2.1 of the upper pile section 1.2 is inserted into the anchor groove 2.2 of the lower pile section 1.2, so that the upper and lower pile sections 1.2 are fixed together.

[0026] The pile head 3 is a prefabricated reinforced concrete structure or steel, which is mainly used to facilitate the sinking of the prefabricated pile and reduce the sinking resistance. An anchor groove 2.2 is arranged on the top of the pile head 3, and the anchor bolt 2.1 of the lowest pile section 1.2 is inserted into the anchor groove 2.2 of the pile head 3, so that the pile section 1.2 and the pile head 3 are connected and fixed together.

[0027] There are multiple precast piles 1, which are arranged side by side along the river channel. A retaining plate 4 is arranged between two adjacent precast piles 1. The retaining plate 4 is generally a precast reinforced concrete plate structure, which can be produced in a factory into a standard section of a certain length and width. The upper and lower parts of the retaining plate are respectively mortise and tenon structures, which can be spliced ​​up and down to form a whole. The retaining plate 4 includes a precast plate 4.1, a drainage hole 4.2 and a geonet 4.3. Grooves 1.1 are arranged on both sides of the pile section 1.2. The side of the precast plate 4.1 is pressed into the groove 1.1 to a certain depth. The precast plate 4.1 is provided with a drainage hole 4.2. The drainage hole 4.2 is a kind of anti-filtration structure, which can be filled with geotextile in the form of a hole in the retaining plate, which can ensure that water flows out normally, but the soil does not flow out; the geonet 4.3 is fixed on the precast plate 4.1, and the geonet 4.3 is fixed to the block stone masonry 5 of the river channel. The retaining plates 4 are multiple and are arranged in sequence up and down, and the upper and lower retaining plates 4 are connected together by a mortise and tenon structure.

[0028] The construction method steps of this embodiment are as follows:

[0029] Step 1: Leveling and setting out on site. The bottom of a pile segment 1.2 is connected to the pile head 3 through an anchor structure 2. The pile segment 1.2 is gradually pressed down to the specified depth by machinery. Then another pile segment 1.2 is connected through the anchor structure 2 and pressed down continuously until the designed depth. The above steps are repeated at a certain interval. If it is difficult to lower the pile, cement soil mixing piles or channel cutting equipment can be used to mix the soil with cement in advance.

[0030] Step 2: Press the retaining plate 4 into the groove 1.1 of the prefabricated pile 1 to a certain depth, and then press multiple retaining plates 4 to the designed depth through the mortise and tenon joint structure of the upper and lower parts of the retaining plate 4;

[0031] Step 3: After the precast piles 1 and retaining plates 4 on both sides of the river bank are constructed, the soil inside the river channel between the precast piles 1 is excavated until the river bottom;

[0032] Step 4: According to the needs, the block stone masonry surface 5 is gradually rebuilt from bottom to top inside the river channel. During the rebuilding process, the block stone masonry surface 5 is stacked layer by layer with the geonet 4.3 to form a reliable whole, and the drainage holes 4.2 inside the retaining plate 4 are connected to the block stone masonry surface 5 to ensure smooth drainage of groundwater until the entire river channel construction is completed.

[0033] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A prefabricated river revetment structure, characterized in that: It includes precast piles, anchor bolt structures, pile heads, retaining plates and block stone masonry surfaces; the block stone masonry surfaces are fixed on both sides of the river channel; the precast piles are composed of at least two pile sections spliced ​​together from top to bottom, the upper and lower pile sections are fixed together by the anchor bolt structure, and the lowermost pile section and the pile head are connected and fixed together; there are multiple precast piles, which are arranged side by side along the river channel direction, and a retaining plate is arranged between two adjacent precast piles, and the retaining plate includes a precast plate, drainage holes and a geonet; grooves are arranged on both sides of the pile section, and the side edges of the precast plate are pressed into the grooves; drainage holes are arranged on the precast plate, and the geonet is fixed on the precast plate, and the geonet is fixed to the block stone masonry surface of the river channel.

2. The prefabricated river bank structure according to claim 1, characterized in that: The prefabricated piles are prefabricated reinforced concrete structures or steel sections.

3. The prefabricated river bank structure according to claim 1, characterized in that: The anchor bolt structure comprises an anchor bolt and an anchor groove. The top of the pile section is provided with an anchor groove, and the bottom is provided with an anchor bolt. The anchor bolt of the upper pile section is inserted into the anchor groove of the lower pile section.

4. The prefabricated river bank structure according to claim 1, characterized in that: The pile head is a prefabricated reinforced concrete structure or steel.

5. The prefabricated river bank structure according to claim 2, characterized in that: The top of the pile head is provided with an anchor groove, and the anchor bolt of the lowest pile section is inserted into the anchor groove of the pile head.

6. The prefabricated river bank structure according to claim 1, characterized in that: The retaining plates are multiple in number and are arranged in sequence up and down, and the upper and lower retaining plates are connected together through a mortise and tenon structure.

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