CN206408599U - The U-shaped gool component of spigot-and-socket precast concrete - Google Patents

Abstract

The utility model discloses a kind of U-shaped gool component of spigot-and-socket precast concrete, belong to farmland water conservancy works field.Gool component is to set U-shaped insert respectively on U-shaped structure, two end faces of gool component（4）With U-shaped socket component（5）, U-shaped insert（4）With U-shaped socket component（5）Cooperate；Gool component two side top outer sets the plate that binds respectively（6）, bind plate（6）Two ends set angle steel respectively（3）；The gool construction member inside circle side face is provided with radial opening hole platform（2）, gool member bottom section is provided with axially penetrating through hole（1）, through hole（1）With opening hole platform（2）It is connected.The utility model sets built-in fitting and reserving hole on gool, and gool, compared with line and bolt connection, is completely embedded survivable by steel.Due to using steel strand wires and bolt connection, remove and repair also all very convenient after disruption.

Description

Socket prefabricated concrete U-shaped channel components

technical field

The utility model relates to a structure of a prefabricated concrete component of a water diversion channel in the technical field of farmland water conservancy supporting facilities, and belongs to the small assembled U-shaped canal in the technical field of farmland water conservancy.

Background technique

Concrete U-shaped channels are widely used in farmland irrigation canal projects. The existing precast concrete U-shaped channels have good flow conditions, low head loss, and are convenient for construction. However, there are also its shortcomings. First, there are many transverse joints in the U-shaped channel, and the quality of the joints is not easy to guarantee, and the anti-seepage effect of the joints is poor; the second is to use cement mortar to connect the joints at the joints. The seepage effect is good, but the connection form is a rigid connection, which has poor adaptability to foundation deformation, and the connection at the joint is easily damaged, and the anti-seepage ability will deteriorate, and the cement mortar joint is not convenient for later maintenance. It is very important to improve the connection mode of U-shaped channel joints to improve the anti-seepage effect of the channel.

Utility model content

The purpose of this utility model is to provide a socket-type concrete U-shaped channel component with good anti-seepage effect, strong ability to adapt to foundation deformation, convenient connection construction and convenient later maintenance for the above existing deficiencies.

In order to achieve the above object, the technical scheme of the utility model is as follows: a socket-type prefabricated concrete U-shaped channel member, which is characterized in that the channel member is a U-shaped structure, and the two end faces of the channel member are respectively arranged U-shaped inserts and U-shaped sockets, U-shaped inserts and U-shaped sockets cooperate with each other; capping plates are respectively provided on the outer sides of the top of the two side walls of the channel member, and angle steels are respectively provided at both ends of the capping plate; the inner circumference of the channel member A radial opening platform is provided on the surface, and an axial through hole is provided at the bottom of the channel member, and the through hole communicates with the opening platform.

Preferably, the outer edge of the U-shaped insert includes a first oblique edge, a first vertical edge, a second oblique edge, a second vertical edge, and a horizontal edge, the horizontal edge is located at the bottom of the U-shaped insert, and the horizontal edge The end portion is provided with a second vertical sideline, a second hypotenuse line, a first vertical sideline, and a first hypotenuse line in sequence from bottom to top, and the first hypotenuse line and the second hypotenuse line are inclined outward.

Preferably, the U-shaped insert protrudes outward relative to the end face of the channel member, and the U-shaped socket is recessed inward relative to the end face of the channel member.

Preferably, the capping plates are arranged horizontally, and the angle steels on each capping plate are arranged oppositely.

Preferably, the opening platform includes rectangular holes and semicircular holes arranged sequentially from top to bottom.

Preferably, both ends of the capping plate are provided with embedded parts, and the embedded parts are welded to the angle steel.

Preferably, the embedded parts are welded by steel bars and spacers, steel bars are arranged at the bottom of the spacers, and angle steel is welded on the spacers.

Preferably, the bottom surface of the channel member is a horizontal bottom surface, and the outer wall of the channel member is a broken line.

Compared with the prior art, the utility model has the following beneficial effects:

First, the socket-type prefabricated concrete U-shaped channel member, its shape: the inner profile of the section of the channel member is U-shaped, the outer profile is a broken line, and the two sides of the upper mouth of the channel member are provided with horizontal capping plates outwards , the two ends of the channel member are respectively the insertion end protruding from the horizontal capping plate and the socket end with a groove, the size of the insertion end is slightly smaller than the size of the groove, and along the axis of A cylindrical through hole is arranged in the direction, and a square opening platform is arranged in the middle part of the through hole. Two embedded parts are arranged at both ends of the horizontal capping plate on both sides. The embedded parts are welded by steel bars and gaskets, and the angle steel is welded to the upper part of the gasket of the embedded parts.

Second, the socket-type prefabricated concrete U-shaped channel components, the connection method: use steel strands to tightly connect two adjacent prefabricated U-shaped channels in the reserved through holes; set embedded parts on the horizontal capping plate Welded with angle steel, the angle steel on two adjacent U-shaped grooves is tightly connected with bolts, so that adjacent U-shaped grooves can be tightly connected two by two, which effectively limits the displacement of the joints of U-shaped grooves. Improve the integrity of the channel and the ability to resist uneven deformation of the foundation. Expandable rubber is used to stop water at the seams and square hole platforms, and the anti-seepage effect is very good.

Thirdly, the utility model adopts steel strands and bolts to connect, and the construction technology is simple and easy to master; because the embedded parts are installed and the angle steel is welded to the embedded parts, the outer contour of the section is broken line, which is convenient for lifting and transportation. Expandable rubber is used to prevent water and seepage, which can effectively fill the entire joint, and the expandable rubber has good anti-aging ability.

Description of drawings

Fig. 1 is the structural representation of the insertion section of the utility model;

Fig. 2 is a schematic diagram of the structure of the socket end of the utility model;

Fig. 3 is a schematic diagram of the cross-sectional structure of the opening platform of the utility model.

Fig. 4 is a structural schematic diagram of the embedded part of the present invention.

Fig. 5 is a schematic diagram of the steel strand connection of the utility model.

Fig. 6 is a schematic diagram of the bolted connection structure of adjacent angle steels of the present invention.

Fig. 7 is a schematic diagram of the welding structure of angle steel and embedded parts of the utility model.

Fig. 8 is a schematic diagram of the utility model adopting expandable rubber seam waterproof structure.

In the figure: 1 through hole, 2 opening platform, 3 angle steel, 4 insert, 5 socket insert, 6 capping plate, 7 channel component, 11 first bevel line, 12 first vertical edge line, 13 second bevel line , 14 second vertical sidelines, 15 horizontal sidelines.

detailed description

As shown in Figure 1-8, a socket-type prefabricated concrete U-shaped channel member, the channel member is a U-shaped structure, and the two end faces of the channel member are respectively provided with U-shaped inserts 4 and U-shaped sockets 5 , the U-shaped insert 4 and the U-shaped socket 5 cooperate with each other; the outer sides of the two side walls of the channel member are respectively provided with capping plates 6, and the two ends of the capping plate 6 are respectively provided with angle steels 3; the inner circumference of the channel member is provided with The radial opening platform 2, the bottom of the channel member is provided with an axial through hole 1, and the through hole 1 communicates with the opening platform 2.

The U-shaped insert 4 outer borders include a first hypotenuse 11, a first vertical border 12, a second hypotenuse 13, a second vertical border 14, and a horizontal border 15, and the horizontal border 15 is positioned at the bottom of the U-shaped insert, The end of the horizontal border 15 is provided with the second vertical border 14, the second hypotenuse 13, the first vertical border 12, the first hypotenuse 11 from bottom to top, and the first hypotenuse 11 and the second hypotenuse 13 outwards tilt.

The U-shaped insert 4 protrudes outward relative to the end face of the channel member, and the U-shaped socket 5 is recessed inward relative to the end face of the channel member.

The capping plates 6 are arranged horizontally, and the angle steels 3 on each capping plate 6 are arranged oppositely.

The opening platform 2 includes rectangular holes and semicircular holes arranged sequentially from top to bottom.

Both ends of the capping plate 6 are provided with embedded parts, and the embedded parts are welded to the angle steel.

The embedded parts are welded by steel bars and gaskets, the bottom of the gaskets is provided with steel bars, and the gaskets are welded with angle steel.

The bottom surface of the channel member is a horizontal bottom surface, and the outer wall of the channel member is a broken line.

The socket-type prefabricated concrete U-shaped channel member is prefabricated by concrete. The channel member 7 is a reserved through hole, and a square opening platform 2 is arranged in the middle of the through hole. Angle steels 3 are arranged at the ends, and inserts 4 protruding from the capping plate and sockets 5 with grooves are respectively arranged at both ends of the channel member.

The utility model is an assembled channel component in the field of farmland water conservancy. The main features are: 1) The inner profile of the channel section is still U-shaped, while the outer profile is a broken line. put, transport. 2) Adjacent trenches are connected by steel strands and bolts instead of cement mortar grouting joints. 3) Expandable rubber strips are used as the water-stop material at the seams and open spaces.

The construction sequence of adjacent socket-type precast concrete U-shaped channel components: Arrange expandable rubber in the groove of the socket-insert the insert of another U-shaped channel into the groove of the socket where the expandable rubber has been arranged. In the groove——Use bolts to connect the angle steel on the top of the two grooves, so that the upper half of the groove is closely connected—Through the square opening platform, the steel strand is passed through the opening platform of one channel, and from the other Passing through the opening table of a channel—Tighten the steel strand at the two opening table and fix it at the opening table, so that the lower half of the two adjacent channels are also closely connected—finally Fill the open hole platform with expandable rubber to stop water. The angle steel bolt connection structure is shown in Figure 1; the steel strand connection structure is shown in Figure 2.

The utility model changes the connection mode of the trench by changing the structure of the trench, setting embedded parts and reserved holes on the trench. The grooves are connected by steel wires and bolts, and the connection is tight and not easy to damage. Due to the use of steel strands and bolts, it is also very convenient to dismantle and repair after damage. Expandable rubber strips are used for water-stopping materials at seams and openings. The expandable rubber strip has strong anti-aging ability, does not flow at high temperature, and has certain flexibility at low temperature, and has a very good water-stopping effect.

Claims (8)

1. a kind of U-shaped gool component of spigot-and-socket precast concrete, it is characterized in that, the gool component is U-shaped structure, gool component Two end faces on U-shaped insert is set respectively（4）With U-shaped socket component（5）, U-shaped insert（4）With U-shaped socket component（5）Mutually Coordinate；Gool component two side top outer sets the plate that binds respectively（6）, bind plate（6）Two ends set angle steel respectively（3）；Institute Gool construction member inside circle side face is stated provided with radial opening hole platform（2）, gool member bottom section is provided with axially penetrating through hole（1）, through hole （1）With opening hole platform（2）It is connected.

2. the U-shaped gool component of a kind of spigot-and-socket precast concrete according to claim 1, it is characterized in that, the U-shaped insertion Part（4）Outer edge includes the first hypotenuse line（11）, the first vertical sideline（12）, the second hypotenuse line（13）, the second vertical sideline （14）, horizontal end（15）, horizontal end（15）Positioned at the U-shaped insert bottom, horizontal end（15）End is from bottom to top Set gradually the second vertical sideline（14）, the second hypotenuse line（13）, the first vertical sideline（12）, the first hypotenuse line（11）, first Hypotenuse line（11）, the second hypotenuse line（13）It is outward-dipping.

3. the U-shaped gool component of a kind of spigot-and-socket precast concrete according to claim 1, it is characterized in that, the U-shaped insertion Part（4）Protrusion is faced out relative to gool member end to set, U-shaped socket component（5）Set relative to gool member end towards sunken inside Put.

4. the U-shaped gool component of a kind of spigot-and-socket precast concrete according to claim 1, it is characterized in that, the plate that binds （6）Horizontally disposed, each bind plate（6）On angle steel（3）It is oppositely arranged.

5. the U-shaped gool component of a kind of spigot-and-socket precast concrete according to claim 1, it is characterized in that, the open pore Platform（2）Including the rectangular opening and semicircle orifice set gradually from top to bottom.

6. the U-shaped gool component of a kind of spigot-and-socket precast concrete according to claim 1, it is characterized in that, the plate that binds （6）Two ends are provided with built-in fitting, and built-in fitting is welded to connect with the angle steel.

7. the U-shaped gool component of a kind of spigot-and-socket precast concrete according to claim 6, it is characterized in that, the built-in fitting It is welded by reinforcing bar and pad, pad bottom sets and welds angle steel on reinforcing bar, pad.

8. the U-shaped gool component of a kind of spigot-and-socket precast concrete according to claim 1, it is characterized in that, the gool structure Part bottom surface is horizontal bottom, and gool component lateral wall is broken line type.