CN-122013752-A - Recombined bamboo sheet pile structure for ecological control and guide engineering and construction method thereof

CN122013752ACN 122013752 ACN122013752 ACN 122013752ACN-122013752-A

Abstract

The invention discloses a recombined bamboo sheet pile structure for ecological control and guide engineering and a construction method thereof, wherein the recombined bamboo sheet pile structure comprises a bamboo sheet pile, a pile cap and pile shoes, the bamboo sheet pile comprises bamboo pile monomers with the same multi-section structure, positioning jacks are formed on the connecting end faces of the bamboo pile monomers, and the bamboo pile monomers are connected through wooden pins inserted in the positioning jacks; the bamboo pile monomer comprises a web plate, wing plates and a meshing hook, wherein the meshing hook comprises a connecting plate and an anti-disengaging hook plate parallel to the wing plates, and the wing plates, the anti-disengaging hook plate and the connecting plate enclose a meshing groove. The sheet pile structure takes degradable fast-growing bamboo as a raw material, is ecological and environment-friendly, is formed into a continuous wall body by the engagement of the bamboo sheet piles, effectively resists water flow scouring and soil pressure, stabilizes river potential and protects a shoreline, is light in weight, convenient to construct and improves construction efficiency, and the microporous structure and natural texture on the surface of the sheet pile structure provide good adhesion matrixes for microorganisms and aquatic plants, so that soil mass can be reinforced, and water body can be purified.

Inventors

ZHANG JINLIANG
WANG QING
ZHANG YUANSHENG
LIU YANG
LI DA
FENG YUAN

Assignees

黄河勘测规划设计研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20260205

Claims (7)

1. The recombined bamboo sheet pile structure for the ecological control and guide engineering is characterized by comprising a plurality of bamboo sheet piles with the same structure, pile caps arranged at the tops of the bamboo sheet piles and pile shoes arranged at the bottoms of the bamboo sheet piles, wherein the pile caps are of plate-shaped structures formed by bonding multiple layers of bamboo sheets, the length of the pile caps is consistent with the width of the bamboo sheet piles, and the width of the pile caps is larger than the maximum height of the bamboo sheet piles; The bamboo pile monomer comprises a web plate, wing plates arranged at each long side edge of the web plate and engagement hooks arranged at the edge of each wing plate, each engagement hook comprises a connecting plate perpendicular to the wing plate and an anti-disengaging plate parallel to the wing plate, the wing plates, the anti-disengaging plates and the connecting plates enclose into engagement grooves, the pile shoe is a steel pile shoe and is provided with two side walls and a bottom wall, the two side walls and the bottom wall enclose into clamping grooves matched with the web plate of the bamboo sheet pile, the section of the bottom wall of the pile shoe is of a triangular structure with a tip, and the vertical height of the bottom wall of the pile shoe is 30-40cm.
2. The recombinant bamboo sheet pile structure for ecological control and guide engineering according to claim 1, wherein the thickness of the pile cap is 30-50 mm, the width of the pile cap is 100-150mm longer than the maximum height of the bamboo sheet pile, the compressive strength of the pile cap is more than or equal to 100MPa, and the thickness of the side wall of the pile shoe is 8-10mm.
3. The recombinant bamboo sheet pile structure for ecological control and guide engineering according to claim 1, wherein two rows of grooves are formed in a connecting surface of the connecting plate, a first L-shaped groove is formed in the edge of the wing plate, a row of first tenons which correspond to one row of grooves up and down are arranged on a table top of the first L-shaped groove, a second L-shaped groove which is opposite to the first L-shaped groove is formed in an installation long edge of the anti-falling hook plate, and a row of second tenons which correspond to the other row of grooves are arranged on an installation table top of the second L-shaped groove.
4. The recombinant bamboo sheet pile structure for ecological control engineering according to claim 3, wherein the grooves are of a trapezoid structure, and the first tenons and the second tenons are of a trapezoid structure matched with the grooves.
5. The recombinant bamboo sheet pile structure for ecological control and guide engineering according to claim 3, wherein an included angle between a web plate and a wing plate of each bamboo pile monomer is 90 degrees, the thickness of each bamboo pile monomer is 30mm, and the depth of a positioning jack of each bamboo pile monomer is 2/3 of the thickness of each bamboo pile monomer.
6. The recombinant bamboo sheet pile structure for ecological control engineering according to claim 1, wherein the bending elastic modulus of the bamboo pile monomer is more than or equal to 28 GPa, the bending strength is more than or equal to 165. 165 MPa, the longitudinal tensile strength is more than or equal to 130. 130 MPa, the longitudinal compressive strength is more than or equal to 85. 85 MPa, the longitudinal shear strength is more than or equal to 15.5. 15.5 MPa, the local value of transverse stress-compression ratio limit stress is more than or equal to 20.5 MPa, and the overall value is more than or equal to 18.5. 18.5 MPa.
7. A construction method of a recombinant bamboo sheet pile structure according to claim 1-6, characterized in that the construction method comprises the following steps: Firstly, prefabricating bamboo pile monomers, pile caps and pile boots in batches in a factory, wherein webs and wing plates of the bamboo pile monomers are of an integrated structure, and the bamboo pile monomers are formed by bonding a plurality of bamboo chips after wiredrawing, carbonization and drying, and are coated with an anti-corrosion layer; prefabricating a connecting plate and an anti-unhooking plate in batch in a factory, wherein the connecting plate and the anti-unhooking plate are formed by bonding a plurality of layers of bamboo chips, two rows of grooves are symmetrically milled at the edge of the bottom surface of the connecting plate, a first tenons are milled on wing plates, a second tenons are milled on the anti-unhooking plate, and the connecting plate and the anti-unhooking plate are arranged on the wing plates of each section of bamboo pile; And secondly, assembling a plurality of bamboo sheet piles by using bamboo pile monomers on a construction site, clamping a pile shoe at the bottom of each bamboo sheet pile, vertically constructing the bamboo sheet piles to a designed depth one by adopting a static pressure method or a vibration pile sinking method, and connecting the bamboo sheet piles through a snap-in hook to form a continuous wall body.

Description

Recombined bamboo sheet pile structure for ecological control and guide engineering and construction method thereof Technical Field The invention relates to the field of ecological control engineering, in particular to a recombinant bamboo sheet pile structure for ecological control engineering and a construction method thereof. Background The control and guide engineering is a core engineering for river channel repair, and is mainly used for controlling river vigor, stabilizing a flow path, protecting a shoreline, guaranteeing flood control safety and ensuring smooth navigation channels. The sheet pile structure is an important water retaining facility in ecological control and guide engineering, the existing sheet pile mainly comprises a steel sheet pile and a reinforced concrete sheet pile, however, the steel sheet pile is heavy in material, high in construction difficulty, high in maintenance cost, high in steel consumption and project investment, and the reinforced concrete sheet pile is high in energy consumption, high in carbon emission and low in recycling rate in the production process, so that the ecological environment is affected to a certain extent. In recent years, with the deep ecological environment protection concept, the application of natural environment protection materials in the engineering field is widely focused. Bamboo wood is used as a fast-growing renewable resource, has the advantages of short growth period, high strength, environmental protection, no pollution and the like, but natural bamboo wood has the problems of limited size, insufficient durability and the like, and is difficult to be directly applied to a control engineering sheet pile structure. Therefore, how to use natural bamboo time for the ecological control engineering sheet pile structure has important engineering value and application prospect for solving the problems of poor environmental protection, insufficient control and guide and ecological cooperativity and the like of the traditional sheet pile. Disclosure of Invention In view of the above, the invention provides a recombinant bamboo sheet pile structure for ecological control engineering and a construction method of the recombinant bamboo sheet pile structure. In order to achieve the above purpose, the invention adopts the following technical scheme: The invention relates to a recombined bamboo sheet pile structure for ecological control and guide engineering, which comprises a plurality of bamboo sheet piles with the same structure, pile caps arranged at the tops of the bamboo sheet piles and pile shoes arranged at the bottoms of the bamboo sheet piles, wherein the pile caps are of plate-shaped structures formed by bonding a plurality of layers of bamboo sheets, the length of the pile caps is consistent with the width of the bamboo sheet piles, and the width of the pile caps is larger than the maximum height of the bamboo sheet piles; The bamboo pile monomer comprises a web plate, wing plates arranged at each long side edge of the web plate and engagement hooks arranged at the edge of each wing plate, each engagement hook comprises a connecting plate perpendicular to the wing plate and an anti-disengaging plate parallel to the wing plate, the wing plates, the anti-disengaging plates and the connecting plates enclose into engagement grooves, the pile shoe is a steel pile shoe and is provided with two side walls and a bottom wall, the two side walls and the bottom wall enclose into clamping grooves matched with the web plate of the bamboo sheet pile, the section of the bottom wall of the pile shoe is of a triangular structure with a tip, and the vertical height of the bottom wall of the pile shoe is 30-40cm. The bamboo sheet pile has the advantages that the bamboo sheet pile is made of bamboo, compared with a traditional steel sheet pile or a traditional concrete pile, the construction efficiency can be greatly improved, the maintenance cost is remarkably reduced, and in addition, through verification, the bamboo sheet pile has a good control and guide effect, and can stabilize river vigor and protect shorelines. Preferably, the thickness of the pile cap is 30-50 mm, the width of the pile cap is 100-150mm long relative to the maximum height of the bamboo sheet pile, the compressive strength of the pile cap is more than or equal to 100MPa, so that the pile cap can bear a certain impact load to avoid damage of the bamboo sheet pile in the sinking process, and the thickness of the side wall of the pile shoe is 8-10mm. Preferably, two rows of grooves are formed in the connecting surface of the connecting plate, a first L-shaped groove is formed in the edge of the wing plate, a row of first tenons which correspond to one row of grooves up and down are arranged on the table surface of the first L-shaped groove, a second L-shaped groove which is opposite to the first L-shaped groove is formed in the long mounting edge of the anti-falling hook plate, and a row of