Foundation permanent-temproary combined retaining wall for preventing frost heaving in high-cold region

Abstract

The utility model relates to a wall protection technical field especially is used for high cold region anti -frost heaving foundation permanent and temporary combined wall protection, including upper main wall protection casing, still including lower main wall protection casing and inner casing, the lower extreme of upper main wall protection casing is equipped with lower main wall protection casing, is equipped with inner casing in upper main wall protection casing, is equipped with the mounting assembly for fixed connection between upper main wall protection casing and lower main wall protection casing, the utility model wall protection adopts modularization design, and the quick assembling and fixed, according to need can carry out temporary erection, avoided cement pouring wall protection long problem of construction period, need long time to use wall protection, also can carry out cement pouring, and the component of fixed installation can remain in the wall protection and further strengthen structural strength after completing cement pouring, to simultaneously possess the advantage of cement wall protection and steel wall protection, the function of auxiliary positioning support is played to vice positioning rod, and vice positioning rod passes through the jack on inner casing simultaneously, to fix inner casing.

Claims

1. A permanent and temporary combined retaining wall for anti-frost heaving foundation in high-cold regions, comprising an upper main retaining wall shell (1); characterized in that: It also includes a lower main protective wall shell (4) and an inner shell (7). The lower end of the upper main protective wall shell (1) is provided with the lower main protective wall shell (4). The upper main protective wall shell (1) is provided with the inner shell (7). An installation assembly for fixed connection is provided between the upper main protective wall shell (1) and the lower main protective wall shell (4). The upper end of the inner shell (7) is provided with a positioning assembly for fixing the reinforcing bars.

2. The permanent- temporary combined retaining wall for frost heaving prevention of foundation in high-cold region according to claim 1, characterized in that: The mounting assembly includes a mounting base (8), the surface of which has a through hole, a mounting plate (9) on one side of the mounting base (8), a secondary positioning rod (10) through which is provided on the surface of the mounting plate (9), a washer (11) fixedly connected to the surface of the secondary positioning rod (10), a hexagonal screw (14) threadedly connected to one end of the secondary positioning rod (10), and a main positioning rod (12) fixedly connected to one side of the mounting plate (9).

3. The permanent- temporary combined retaining wall for frost heaving prevention of foundation in high-cold region according to claim 2, characterized in that: The end of the main positioning rod (12) is provided with a slot, and a second locking block (13) is slidably arranged in the slot of the main positioning rod (12). The lower end of the second locking block (13) is provided with a spring, and the spring at the lower end of the second locking block (13) is used to push the second locking block (13) back. The second locking block (13) is used to fix the main positioning rod (12).

4. The permanent- temporary combined retaining wall for frost heaving prevention of foundation in high-cold region according to claim 3, characterized in that: Both the main positioning rod (12) and the auxiliary positioning rod (10) are used to connect and fix the upper main protective shell (1) and the lower main protective shell (4).

5. The permanent- temporary combined retaining wall for frost heaving prevention of foundation in high-cold region according to claim 4, characterized in that: The inner housing (7) has a socket on its surface, which is adapted to the auxiliary positioning rod (10). The upper end of the inner housing (7) has an annular protrusion, and the lower end of the inner housing (7) has an annular groove. The annular protrusion at the upper end of the inner housing (7) is adapted to the annular groove at the lower end of the inner housing (7).

6. The permanent and temporary combined retaining wall for frost heave prevention foundations in high-altitude and cold regions according to claim 5, characterized in that: The upper main protective wall shell (1) and the lower main protective wall shell (4) are fixedly connected by bolts with a material inlet (3). The surfaces of the upper main protective wall shell (1) and the lower main protective wall shell (4) are provided with notches for cement slurry to pass through. The inner wall surfaces of the upper main protective wall shell (1) and the lower main protective wall shell (4) are provided with reinforcing ribs (2). The lower end of the upper main protective wall shell (1) is provided with a positioning groove (6), and the upper end of the lower main protective wall shell (4) is provided with a positioning block (5). The upper end of the positioning block (5) is rounded, and the positioning block (5) is adapted to the positioning groove (6).

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