Combined composite foundation treatment structure

Abstract

The utility model relates to the technical field of foundation treatment, in particular to a combined type composite foundation treatment structure which comprises a concrete pouring layer, a column hammer impact expansion pile, an impact groove, an anti-sinking mechanism and a stabilizing mechanism. The multiple groups of impact grooves are vertically and uniformly distributed among the concrete pouring layer, the concrete pouring layer and the hard soil layer; the multiple sets of anti-sinking mechanisms are vertically and evenly distributed in the impact groove, and concrete is poured between every two vertically-adjacent sets of anti-sinking mechanisms. The stabilizing mechanism is arranged at the top end of the impact groove, and concrete is poured between the stabilizing mechanism and the impact groove. According to the anti-sinking structure, the connection stability of concrete poured in the impact groove and a soft soil layer or a hard soil layer is improved through the arrangement of the multiple sets of anti-sinking mechanisms, and sinking of the concrete in the impact groove is avoided; and by arranging a stabilizing mechanism and a concrete pouring layer, the stability of concrete poured at the top end in the impact groove is improved, the stability of the combined composite foundation is further improved, safety is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation treatment, in particular to a combined composite foundation treatment structure. Background Art

[0002] With the continuous acceleration of the modernization process, industrial plants have sprung up like mushrooms after rain, and the demand for land is also increasing. Some liquefiable or collapsible lands are also used as plant foundations after foundation treatment. The Chinese patent with the authorization announcement number CN216275589U discloses a combined composite foundation treatment structure. The beneficial effects of this utility model are: the composite foundation treatment structure is composed of flexible piles and rigid piles, and the column hammer expansion piles can effectively eliminate the collapsibility and liquefaction of the site soil. The treatment depth of the compacted cement soil piles is greater than that of the column hammer expansion piles, which can effectively improve the bearing capacity of the foundation soil. In addition, the construction process of the two piles is simple, the operability is strong, and the comprehensive economic benefits are high.

[0003] However, the above-mentioned disclosed solutions have the following shortcomings: the soft soil layer has poor stability, the compacted cement soil piles and column hammer expanded piles are not tightly connected to the soft soil layer, and are prone to sinking, thereby affecting the stability of the foundation. Utility Model Content

[0004] The purpose of the utility model is to propose a combined composite foundation treatment structure in response to the problems existing in the background technology.

[0005] The technical solution of the present invention is as follows: a combined composite foundation treatment structure, including a concrete pouring layer, which is arranged at the top of the soft soil layer, and the bottom end of the soft soil layer is connected to the hard soil layer; a column hammer expansion pile, which is vertically distributed between the concrete pouring layer and the soft soil layer; an impact trough, which is vertically distributed between the concrete pouring layer, the concrete pouring layer and the hard soil layer; an anti-sinking mechanism, which is provided with multiple groups, and the multiple groups of anti-sinking mechanisms are vertically evenly distributed inside the impact trough, and concrete is poured between two adjacent groups of anti-sinking mechanisms, and the anti-sinking mechanism is used to support the concrete poured in the impact trough; and a stabilizing mechanism, which is arranged at the top of the impact trough, and concrete is poured between the stabilizing mechanism and the impact trough, and the top of the stabilizing mechanism is connected to the concrete pouring layer.

[0006] Preferably, the anti-sinking mechanism includes a pressure plate, a hook is provided at the middle of the top end of the pressure plate, and the pressure plate is slidably connected to the outer wall of the impact groove; a pressure rod, the top end of which is connected to the bottom end of the pressure plate; a mounting seat, which is provided below the pressure plate, the pressure rod is slidably connected to the mounting seat, the outer sleeve of the pressure rod is provided with a first spring, the first spring connects the pressure plate and the mounting seat, the bottom end of the pressure rod extends to the inside of the mounting seat and an adjustment seat is installed, the bottom end of the adjustment seat is installed with a first plug rod, and the bottom end of the mounting seat is provided with a socket corresponding to the first plug rod; and a slider, which is provided with multiple groups, multiple groups of sliders are evenly slidably connected to the bottom end of the mounting seat, and multiple groups of sliders are driven to slide by the adjusting seat, and a second plug rod is installed on the slider and on one side wall away from the adjusting seat, and the other end of the second plug rod slides through the side wall of the mounting seat, and the second plug rod.

[0007] Preferably, a sliding rod is provided at the top of the second insertion rod, and multiple groups of guide rods are evenly installed on the top of the mounting seat. The top of the sliding rod is slidably sleeved on the outside of the guide rod, and a second spring is sleeved on the guide rod. The second spring is installed between the side wall of the mounting seat and the sliding rod.

[0008] Preferably, the adjustment seat is composed of a cylinder and a frustum, and the top of the slider is provided with a yielding portion adapted to the frustum.

[0009] Preferably, the stabilizing mechanism includes a support plate connected to the concrete pouring layer; and an insert pipe connected to the middle of the support plate, the insert pipe is slidably inserted into the impact groove, multiple groups of cross bars are evenly arranged on the inner wall of the insert pipe, and concrete is poured in the insert pipe.

[0010] Preferably, a plurality of groups of third insertion rods are evenly arranged at the bottom edge of the support plate, the third insertion rods penetrate the concrete casting layer and are inserted into the soft soil layer, and an abutment groove is provided at the connection between the support plate and the insertion pipe.

[0011] Compared with the existing technology, the above-mentioned technical solution of the present invention has the following beneficial technical effects: the present invention improves the connection stability between the concrete poured inside the impact trough and the soft soil layer or the hard soil layer by setting up multiple sets of anti-sinking mechanisms, thereby avoiding the sinking of the concrete inside the impact trough caused by the poor stability of the soft soil layer; the stability of the concrete poured at the top of the impact trough is improved by setting up a stabilizing mechanism and a concrete pouring layer, thereby further improving the stability of the combined composite foundation, improving safety, and extending service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic structural diagram of the anti-sinking mechanism of the utility model;

[0014] Figure 3 This is a schematic diagram of the stabilizing mechanism structure of the present utility model.

[0015] Figure numerals: 1, soft soil layer; 101, hard soil layer; 2, concrete pouring layer; 3, column hammer expansion pile; 4, impact groove; 5, pressure plate; 501, hook; 502, pressure rod; 503, adjustment seat; 504, first insertion rod; 505, first spring; 6, mounting seat; 601, slider; 602, second insertion rod; 603, sliding rod; 604, guide rod; 605, second spring; 7, support plate; 701, abutment groove; 702, insert pipe; 703, third insertion rod; 704, cross bar. DETAILED DESCRIPTION

[0016] Example 1

[0017] like Figures 1 to 3 As shown, the utility model proposes a combined composite foundation treatment structure, including a concrete pouring layer 2, column hammer impact expansion piles 3, impact grooves 4, an anti-sinking mechanism and a stabilizing mechanism; the concrete pouring layer 2 is arranged on the top of the soft soil layer 1, and the bottom end of the soft soil layer 1 is connected to the hard soil layer 101; the column hammer impact expansion piles 3 are provided in multiple groups, and the multiple groups of column hammer impact expansion piles 3 are vertically evenly distributed between the concrete pouring layer 2 and the soft soil layer 1; the impact grooves 4 are provided in multiple groups, and the multiple groups of impact grooves 4 are vertically evenly distributed between the concrete pouring layer 2, the concrete pouring layer 2 and the hard soil layer 1. between the soil layers 101; multiple groups of anti-sinking mechanisms are provided, and the multiple groups of anti-sinking mechanisms are vertically evenly distributed inside the impact groove 4, and concrete is poured between the upper and lower adjacent groups of anti-sinking mechanisms, and the anti-sinking mechanism is used to support the concrete poured in the impact groove 4 to prevent it from sinking; a stabilizing mechanism is provided at the top of the impact groove 4, and concrete is poured between the stabilizing mechanism and the impact groove 4, and the top of the stabilizing mechanism is connected to the concrete pouring layer 2, and the stabilizing mechanism is used to improve the connection stability between the poured concrete and the concrete pouring layer 2 to prevent sinking.

[0018] Furthermore, the anti-sinking mechanism includes a pressure plate 5, a pressure rod 502, a mounting seat 6 and a slider 601; a hook 501 is provided at the middle of the top of the pressure plate 5 for connecting with an external lifting device to lift the pressure plate 5 into the impact groove 4 at a suitable depth, and the pressure plate 5 is slidably connected to the outer wall of the impact groove 4; the top of the pressure rod 502 is connected to the bottom of the pressure plate 5; the mounting seat 6 is provided below the pressure plate 5, the pressure rod 502 is slidably connected to the mounting seat 6, the vertical projection area of ​​the mounting seat 6 is smaller than the vertical projection area of ​​the pressure plate 5, and the outer sleeve of the pressure rod 502 is provided with a first spring 505, which is connected to the The pressure plate 5 and the mounting seat 6, the bottom end of the pressure rod 502 extends to the mounting seat 6 and an adjustment seat 503 is installed inside the adjusting seat 503, the bottom end of the adjusting seat 503 is installed with a first plug rod 504, and the bottom end of the mounting seat 6 is provided with a socket corresponding to the first plug rod 504; there are multiple groups of sliders 601, and multiple groups of sliders 601 are evenly slid and connected to the bottom end of the mounting seat 6. Multiple groups of sliders 601 are driven to slide by the adjusting seat 503, and a second plug rod 602 is installed on the slider 601 and on one side wall away from the adjusting seat 503, and the other end of the second plug rod 602 slides through the side wall of the mounting seat 6 and the second plug rod 602.

[0019] Furthermore, a slide rod 603 is provided at the top of the second insertion rod 602, and multiple groups of guide rods 604 are evenly installed on the top of the mounting seat 6. The top of the slide rod 603 is slidably sleeved on the outside of the guide rod 604, and a second spring 605 is sleeved on the guide rod 604. The second spring 605 is installed between the side wall of the mounting seat 6 and the slide rod 603. Through the setting of the second spring 605, in the initial state, it is easy to drive the second insertion rod 602 to be retracted into the inside of the mounting seat 6 through the slide rod 603, so as to avoid the second insertion rod 602 interfering with the movement of the pressure plate 5 toward the inside of the impact groove 4.

[0020] Furthermore, the adjustment seat 503 is composed of a cylinder and a frustum, and a top end of the slider 601 is provided with a yielding portion adapted to the frustum.

[0021] Furthermore, the stabilizing mechanism includes a support plate 7 and a plug 702; the support plate 7 is connected to the concrete pouring layer 2; the plug 702 is connected to the middle of the support plate 7, the plug 702 is slidably inserted into the impact groove 4, and multiple groups of cross bars 704 are evenly arranged on the inner wall of the plug 702, and concrete is poured in the plug 702.

[0022] In this embodiment, multiple groups of column hammer expansion piles 3 are evenly arranged in the soft soil layer 1, and then multiple groups of impact grooves 4 are opened between the soft soil layer 1 and the hard soil layer 101 by external equipment. The hook 501 in the anti-sinking mechanism is grabbed by the lifting equipment and sent into the bottom end of the impact groove 4, and then an appropriate amount of concrete is injected into the impact groove 4. The concrete is pressed by the tamping equipment, so that the pressing plate 5 under the concrete moves downward along the side wall of the impact groove 4, and the frustum in the adjusting seat 503 is inserted into the yielding part between the top ends of the multiple groups of sliders 601, thereby driving the multiple groups of sliders 601 to slide away until the cylinder abuts against the multiple groups of yielding parts, thereby facilitating the multiple groups of second insertion rods 602 to slide toward the outside of the mounting seat 6 until they are inserted into the soft soil layer 1 or the hard soil layer 101 around the impact groove 4, and then the concrete poured above can be supported by the anti-sinking mechanism, and the concrete is lifted to connect with the soft soil layer 1 or the hard soil layer 101. Stability, reducing the risk of sinking. After the anti-sinking mechanism is installed, continue to pour appropriate concrete into the impact groove 4, and then put the next set of anti-sinking mechanisms into the top of the concrete. When the pressure plate 5 is rammed and moved downward, the adjusting seat 503 drives the first insertion rod 504 to move downward until the first insertion rod 504 passes through the bottom end of the mounting seat 6 and is inserted into the concrete below, further improving the installation stability of the anti-sinking mechanism. Repeat this process, and finally insert the insertion tube 702 into the top edge of the impact groove 4, so that the support plate 7 abuts against the top of the impact groove 4, and concrete is injected into the insertion tube 702 again until multiple groups of cross bars 704 are covered. The tightness of the connection between the insertion tube 702 and the concrete is improved by the setting of the cross bars 704. Finally, concrete is poured between the top of the impact groove 4 and the multiple groups of column hammer expansion piles 3 and the multiple groups of support plates 7 to obtain the concrete pouring layer 2, thereby completing the construction of the combined composite foundation.

[0023] Example 2

[0024] like Figure 2 and Figure 3 As shown, the utility model proposes a combined composite foundation treatment structure. Compared with the first embodiment, multiple groups of third insertion rods 703 are evenly arranged at the bottom edge of the support plate 7. The third insertion rods 703 penetrate the concrete pouring layer 2 and are inserted into the soft soil layer 1. An abutment groove 701 is provided at the connection between the support plate 7 and the insertion pipe 702.

[0025] In this embodiment, when the concrete poured inside the impact groove 4 sinks, the support plate 7 and the insert 702 will be pulled down. The connection stability between the support plate 7 and the concrete pouring layer 2 is improved by setting the abutment groove 701 and multiple groups of third insert rods 703, thereby reducing the risk of sinking. It should be noted that the column hammer expansion pile 3 can also adopt an adaptive anti-sinking mechanism and stabilization mechanism during construction to further improve the stability of the foundation.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A combined composite foundation treatment structure, characterized in that: include A concrete pouring layer (2) is arranged on the top of the soft soil layer (1), and the bottom of the soft soil layer (1) is connected to the hard soil layer (101); The column hammer expansion pile (3) is vertically distributed between the concrete pouring layer (2) and the soft soil layer (1); An impact groove (4) is vertically distributed between the concrete pouring layer (2), the concrete pouring layer (2) and the hard soil layer (101); The anti-sinking mechanism is provided in multiple groups, and the multiple groups of anti-sinking mechanisms are evenly distributed vertically inside the impact groove (4), and concrete is poured between two adjacent groups of anti-sinking mechanisms above and below, and the anti-sinking mechanisms are used to support the concrete poured in the impact groove (4); And a stabilizing mechanism is arranged at the top of the impact groove (4), and concrete is poured between the stabilizing mechanism and the impact groove (4), and the top of the stabilizing mechanism is connected to the concrete pouring layer (2).

2. A combined composite foundation treatment structure according to claim 1, characterized in that: Anti-sinking mechanism includes A pressing plate (5) is provided with a hook (501) at the middle of its top end, and the pressing plate (5) is slidably connected to the outer wall of the impact groove (4); A pressure rod (502), the top end of which is connected to the bottom end of the pressure plate (5); The mounting seat (6) is arranged below the pressure plate (5), the pressure rod (502) is slidably connected to the mounting seat (6), the outer sleeve of the pressure rod (502) is provided with a first spring (505), the first spring (505) connects the pressure plate (5) and the mounting seat (6), the bottom end of the pressure rod (502) extends to the inside of the mounting seat (6) and is provided with an adjustment seat (503), the bottom end of the adjustment seat (503) is provided with a first insertion rod (504), and the bottom end of the mounting seat (6) is provided with a socket corresponding to the first insertion rod (504); And a slider (601), which is provided with multiple groups, the multiple groups of sliders (601) are evenly slidably connected to the bottom end of the inner part of the mounting seat (6), the multiple groups of sliders (601) are driven to slide by the adjustment seat (503), a second insertion rod (602) is installed on the slider (601) and on a side wall away from the adjustment seat (503), the other end of the second insertion rod (602) slides through the side wall of the mounting seat (6), and the second insertion rod (602) is provided.

3. A combined composite foundation treatment structure according to claim 2, characterized in that: A slide rod (603) is provided at the top end of the second insertion rod (602), and a plurality of guide rods (604) are evenly installed at the top end of the mounting seat (6). The top end of the slide rod (603) is slidably sleeved on the outside of the guide rod (604), and a second spring (605) is sleeved on the guide rod (604). The second spring (605) is installed between the side wall of the mounting seat (6) and the slide rod (603).

4. The combined composite foundation treatment structure according to claim 2, characterized in that: The adjusting seat (503) is composed of a cylindrical body and a frustum body, and the top of the sliding block (601) is provided with a yielding portion adapted to the frustum body.

5. The combined composite foundation treatment structure according to claim 1, characterized in that: Stable institutions include A support plate (7) connected to the concrete pouring layer (2); And an insert pipe (702) is connected to the middle of the support plate (7), the insert pipe (702) is slidably inserted into the inside of the impact groove (4), the inner wall of the insert pipe (702) is evenly provided with multiple groups of cross bars (704), and concrete is poured in the insert pipe (702).

6. The combined composite foundation treatment structure according to claim 5, characterized in that: A plurality of groups of third insertion rods (703) are evenly arranged at the bottom edge of the support plate (7), and the third insertion rods (703) penetrate the concrete pouring layer (2) and are inserted into the soft soil layer (1). An abutment groove (701) is provided at the connection between the support plate (7) and the insertion pipe (702).

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