Shallow pit and deep pit construction device for deep and shallow combined foundation pit
By using a shared partition structure to divide the combined deep and shallow foundation pits into two independent foundation pits, and constructing the shallow pit area first, the problems of long construction period and high safety risks in traditional construction methods are solved, achieving the effect of shortening construction time and reducing safety risks.
Patent Information
- Application Number
- CN202422773876.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-13
AI Technical Summary
Traditional deep-shallow combination foundation pit construction methods have long construction cycles and high safety risks. Especially when the height of the above-ground buildings in the shallow pit area is greater than that in the deep pit area, the design of the support structure at the junction of the deep and shallow pits is complex and affects the construction of each other.
A shared partition structure is used to divide the combined deep and shallow foundation pits into two independent foundation pits. The shallow pit area is constructed first. After the underground structure of the shallow pit area is completed, a force-transfer structure is added to carry out the construction of the deep pit area, and the above-ground structure of the shallow pit area is constructed simultaneously.
It shortened the construction time in the shallow pit area, reduced the safety risks of the foundation pit, solved the problems of tight urban land use and small site within the red line, reduced the exposure time of the foundation pit in the shallow pit area, and shortened the overall construction period of the project.
Smart Images
Figure CN223446174U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundation pit support design and construction of building engineering, in particular to a construction device for a combined deep and shallow foundation pit, first a shallow pit and then a deep pit. Background Art
[0002] As we all know, with the rapid development of science and technology in my country, the pace of urbanization has accelerated. Urban development has made urban land resources increasingly tight. The development and utilization of underground space has become a general trend, and more and more ultra-deep foundation pits and deep-shallow combination foundation pits have emerged.
[0003] The traditional construction method for combined deep and shallow foundation pits involves excavating the deep pit first and then the shallow pit. This involves simultaneous excavation of the deep and shallow pits. Construction in the shallow pit ceases after reaching the shallow pit's bottom elevation, while construction continues downward in the deep pit. Construction of the shallow pit's underground structure continues after excavation is completed in the deep pit and the underground structure has reached the shallow pit's bottom elevation. This method can lead to a longer construction period and greater pit safety risks if the above-ground structure height in the shallow pit is higher than that in the deep pit.
[0004] The main technical difficulties faced in constructing the shallow pit area first and then the deep pit area are the design of the support structure at the junction of the deep and shallow pits and the mutual influence of the simultaneous construction of the ground structures in the deep and shallow pit areas. In order to solve the above problems, a device for constructing a deep and shallow combined foundation pit first and then the deep pit is needed. Utility Model Content
[0005] (1) Technical problems solved
[0006] In view of the deficiencies in the prior art, the present invention provides a device for constructing a deep-shallow combined foundation pit, first with a shallow pit and then with a deep pit, to solve the problems raised in the above-mentioned background technology.
[0007] (2) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for constructing a combination of deep and shallow foundation pits, first shallow pits and then deep pits, comprising a partition plate, and also comprising a first square hole, a first square block, a special-shaped groove and a special-shaped block, wherein the first square hole is opened at the top of the partition plate, the first square block is fixedly connected to the bottom of the partition plate, the special-shaped groove is opened on one side of the partition plate, and the special-shaped block is opened on the other side of the partition plate.
[0009] Preferably, it includes a second square block, a first square groove, a third square block and a second square hole, the second square block is fixedly connected to one side of the partition plate, the first square groove is opened at the bottom of the second square block, the third square block is fixedly connected to the other side of the partition plate, and the second square hole is opened on the third square block.
[0010] Further, comprising a fourth square block, a second square slot and a tripod, the fourth square block is detachably connected on the second square hole, the second square slot is opened on the bottom of the fourth square block, and the tripod is fixedly connected on one side of the fourth square block.
[0011] Further, comprising a fifth square block and a third square hole, the fifth square block is fixedly connected on one side of the tripod, and the third square hole is opened on the fifth square block.
[0012] Further, comprising a sixth square block and a third square slot, the sixth square block is detachably connected on the third square hole, and the third square slot is opened on the bottom of the sixth square block.
[0013] On the basis of the foregoing scheme, a seventh square block and a fourth square hole are included, the seventh square block is fixedly connected on one side of the sixth square block, and the fourth square hole is opened on the seventh square block.
[0014] On the basis of the foregoing scheme, further, a device for shallow-deep combined foundation pit shallow-first deep-later construction includes a shared partition structure, a force transmission structure, a shallow pit area, and a deep pit area, the shared partition structure is arranged at the junction of the shallow and deep pits, dividing the shallow-deep combined foundation pit into two independent foundation pits, the force transmission structure is arranged between the shared partition structure and the wall, the shallow pit area is arranged on one side of the shared partition structure, and the deep pit area is arranged on the other side of the shared partition structure.
[0015] Beneficial effects:
[0016] Compared with the prior art, the device for shallow-deep combined foundation pit shallow-first deep-later construction has the following beneficial effects:
[0017] The construction device for shallow-deep combined foundation pit shallow-first deep-later construction sets the shared partition structure at the junction of the shallow and deep pits, the top elevation of the shared partition structure reaches the top of the basement roof, the foundation pit is divided into two areas, the shallow pit area is constructed first, the force transmission structure is added after the underground structure of the shallow pit area is completed, the deep pit area foundation pit construction is started, and the aboveground structure construction of the shallow pit area is simultaneously performed. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1The side view structure schematic diagram of the utility model is shown in the figure;
[0019] Figure 2 The second square hole structure schematic diagram of the utility model is shown in the figure;
[0020] Figure 3 The third square hole structure schematic diagram of the utility model is shown in the figure;
[0021] Figure 4 The third square groove structure schematic diagram of the utility model is shown in the figure;
[0022] Figure 5 The foundation pit support section view of the utility model is shown in the figure;
[0023] Figure 6 The shallow pit area underground structure construction stage working condition schematic diagram of the utility model is shown in the figure;
[0024] Figure 7 The deep pit area underground structure construction stage working condition schematic diagram of the utility model is shown in the figure;
[0025] Figure 8 The shallow pit area underground structure construction stage working condition schematic diagram of the utility model is shown in the figure;
[0026] In the drawing, the component list represented by each sign is as follows:
[0027] 1, partition plate; 2, first square hole; 3, first square block; 4, special-shaped groove; 5, special-shaped block; 6, second square block; 7, first square groove; 8, third square block; 9, second square hole; 10, fourth square block; 11, second square groove; 12, tripod; 13, fifth square block; 14, third square hole; 15, sixth square block; 16, third square groove; 17, seventh square block; 18, fourth square hole; 19, shared partition structure; 20, force transmission structure; 21, shallow pit area; 22, deep pit area. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0029] Reference is made to Figures 1-8The utility model provides a kind of shallow deep combined foundation pit first shallow pit later deep pit construction device, including partition plate 1, first square hole 2, first square block 3, special-shaped groove 4, special-shaped block 5, second square block 6, first square groove 7, third square block 8, second square hole 9, fourth square block 10, second square groove 11, tripod 12, fifth square block 13, third square hole 14, sixth square block 15, third square groove 16, seventh square block 17 and fourth square hole 18, first square hole 2 is set in partition plate 1 top, first square block 3 is fixedly connected in partition plate 1 bottom, special-shaped groove 4 is set in partition plate 1 one side, special-shaped block 5 is set in partition plate 1 other side, second square block 6 is fixedly connected in partition plate 1 one side, first square groove 7 is set in second square block 6 bottom, third square block 8 is fixedly connected in partition plate 1 other side, second square hole 9 is set in third square block 8, fourth square block 10 is detachably connected in second square hole 9, second square groove 11 is set in fourth square block 10 bottom, tripod 12 is fixedly connected in fourth square block 10 one side, fifth square block 13 is fixedly connected in tripod 12 one side, third square hole 14 is set in fifth square block 13, sixth square block 15 is detachably connected in third square hole 14, third square groove 16 is set in sixth square block 15 bottom, seventh square block 17 is fixedly connected in sixth square block 15 one side, and fourth square hole 18 is set in seventh square block 17.
[0030] The partition plate 1 is used as a base for separating deep and shallow combined foundation pits, and is made of hard material such as steel plate and the like. In order to adapt to foundation pits of different heights, a first square hole 2 and a first square block 3 are designed on the partition plate 1. The first square hole 2 on the partition plate 1 and the first square block 3 on another partition plate 1 are matched with each other, so that the partition plate 1 can adapt to foundation pits of different heights. In order to adapt to foundation pits of different widths, a special-shaped groove 4 and a special-shaped block 5 are designed on the partition plate 1. The special-shaped groove 4 on the partition plate 1 and the special-shaped block 5 on another partition plate 1 are matched with each other, so that the partition plate 1 can adapt to foundation pits of different widths. In order to change the thickness of the partition structure according to the different stress intensity of the construction site, a second square block 6, a first square groove 7, a third square block 8 and a second square hole 9 are designed. The second square block 6 and the first square groove 7 on the partition plate 1 and the third square block 8 and the second square hole 9 on another partition plate 1 are matched with each other, so that the thickness of the partition structure is increased. A fourth square block 10 is detachably connected to the second square hole 9 and is used for fixing a tripod 12. A second square groove 11 is arranged at the bottom of the fourth square block 10 and is used for assisting the detachable connection of the fourth square block 10 to the second square hole 9. The tripod 12 is fixedly connected to one side of the fourth square block 10 and is used for force transmission and support to fix the partition plate 1. A fifth square block 13 and a third square hole 14 are used as a base for detachable connection of the fifth square block 13. A sixth square block 15 is detachably connected to the third square hole 14 and is used for force transmission and support to fix the partition plate 1. A third square groove 16 is arranged at the bottom of the sixth square block 15 and is used for assisting the detachable connection of the sixth square block 15 to the third square hole 14. A seventh square block 17 and a fourth square hole 18 are used as a base for detachable connection. In order to adapt to foundation pits of different specifications, the second square block 6 and the first square groove 7 can be matched with the third square block 8 and the second square hole 9, the fifth square block 13 and the third square hole 14, and the seventh square block 17 and the fourth square hole 18 respectively. The fourth square block 10 and the second square groove 11 can be matched with the third square block 8 and the second square hole 9, the fifth square block 13 and the third square hole 14, and the seventh square block 17 and the fourth square hole 18 respectively. The sixth square block 15 and the third square groove 16 can be matched with the third square block 8 and the second square hole 9, the fifth square block 13 and the third square hole 14, and the seventh square block 17 and the fourth square hole 18 respectively, so as to adapt to foundation pits of different specifications.
[0031] Firstly, refer to Figures 5-7In the embodiment, a device for deep-shallow combined foundation first shallow pit then deep pit construction comprises a shared partition structure 19, a force transmission structure 20, a shallow pit area 21 and a deep pit area 22. The shared partition structure 19 is arranged at the deep-shallow pit junction to separate the deep-shallow combined foundation into two independent foundations. The force transmission structure 20 is arranged between the shared partition structure 19 and the wall. The shallow pit area 21 is arranged on one side of the shared partition structure 19. The deep pit area 22 is arranged on the other side of the shared partition structure 19.
[0032] The shared partition structure 19 is composed of a plurality of partition plates 1 cooperating with each other. The number of partition plates 1 can be adjusted according to the foundation pit specification, so as to form shared partition structures 19 of different heights, widths and thicknesses for separating the deep-shallow combined foundation into two independent foundations. The force transmission structure 20 is composed of different numbers of tripods 12 and sixth square blocks 15. The number of tripods 12 and sixth square blocks 15 can be adjusted according to the distance between the shared partition structure 19 and the wall, so as to form force transmission structures 20 of different lengths. The force transmission structure 20 is used to transmit the load and force borne by the shared partition structure 19 to the wall. The shallow pit area 21 is used for shallow underground structure construction. The deep pit area 22 is used for deep underground structure construction.
[0033] Then, refer to Figure 8 In the embodiment, a device for deep-shallow combined foundation first shallow pit then deep pit construction comprises the following steps:
[0034] S1, construction of the shared partition structure 19;
[0035] S2, earthwork excavation construction of the shallow pit area 21;
[0036] S3, foundation construction of the shallow pit area 21 and construction of the force transmission structure 20;
[0037] S4, earthwork excavation construction of the deep pit area 22, and the shallow pit area 21 starts the aboveground main structure construction at the same time;
[0038] S5, foundation construction of the deep pit area 22.
[0039] The S1 common partition structure 19 is constructed by first making a foundation pit support structure around the foundation pit, then setting the common partition structure 19 at the required position by matching multiple partition plates, then making a water stop curtain and a dewatering well, the S2 shallow pit area 21 is excavated and internal support construction is made in the shallow pit area 21, the S3 shallow pit area 21 foundation bottom plate is constructed, then the internal support is removed and the underground structure of the shallow pit area 21 is constructed, and the force transmission structure 20 is combined by matching multiple tripods 12 and the sixth square block 15, the S4 deep pit area 22 is excavated and support construction is made in the deep pit area 22, the support elevation in the deep pit area 22 needs to be consistent with the shallow pit area bottom plate and floor elevation, at the same time, the aboveground main body structure construction of the shallow pit area 21 is started synchronously, and the S5 deep pit area 22 foundation bottom plate is constructed, then the internal support is removed and the underground structure of the deep pit area 22 is constructed.
[0040] Working principle:
[0041] The device for deep and shallow combined foundation pit first shallow pit and then deep pit construction, in use, first confirm the deep and shallow decomposition center of the deep and shallow combined foundation pit, and make good foundation pit support structure around the foundation pit, then through the mutual cooperation of the special-shaped groove 4 on the partition plate 1 and the upper special-shaped block 5 of another partition plate 1, form the shared partition structure 19 foundation which can adapt to the width of the foundation pit, through the mutual cooperation of the second square block 6 on the partition plate 1 and the first square groove 7 and the third square block 8 on the upper partition plate 1 and the second square hole 9, form the shared partition structure 19 with sufficient thickness, through the mutual cooperation of the first square hole 2 on the partition plate 1 and the first square block 3 on the upper partition plate 1, form the common partition structure with appropriate height, so as to set the required shared partition structure 19, and make good water stop curtain and dewatering well construction, then excavate the shallow pit area 21 and make good internal support construction in the shallow pit area 21, then remove the internal support and construct the underground structure of the shallow pit area 21 and through the mutual cooperation between the second square block 6 and the first square groove 7 and the third square block 8 and the second square hole 9, the fifth square block 13 and the third square hole 14, the seventh square block 17 and the fourth square hole 18, the fourth square block 10 and the second square groove 11 can be respectively cooperated with the third square block 8 and the second square hole 9, the fifth square block 13 and the third square hole 14, the seventh square block 17 and the fourth square hole 18, the sixth square block 15 and the third square groove 16 can be respectively cooperated with the third square block 8 and the second square hole 9, the fifth square block 13 and the third square hole 14, the seventh square block 17 and the fourth square hole 18, so that the multiple tripods 12 and the sixth square block 15 are cooperated to form the force transmission structure 20 connecting the shared partition structure 19 and the wall, then excavate the deep pit area 22 and make good internal support construction in the deep pit area 22, at the same time, the internal support elevation of the deep pit area 22 needs to be consistent with the shallow pit area bottom plate and floor elevation, and the shallow pit area 21 starts the aboveground main structure construction at the same time, finally, the deep pit area 22 foundation bottom plate construction is carried out, then the internal support is removed and the underground structure of the deep pit area 22 is constructed.
[0042] Although preferred embodiments of the present application have been described, those skilled in the art who understand the inventive concept after knowing the basic creation can make additional changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.
[0043] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. A construction device for a combined deep and shallow foundation pit, comprising a partition plate (1), characterized in that: Also includes: A first square hole (2), the first square hole (2) being opened on the top of the partition plate (1); A first square block (3), the first square block (3) being fixedly connected to the bottom of the partition board (1); A special-shaped groove (4), wherein the special-shaped groove (4) is provided on one side of the partition plate (1); A special-shaped block (5), wherein the special-shaped block (5) is arranged on the other side of the partition plate (1).
2. The device for constructing a combined deep and shallow foundation pit, first with a shallow pit and then with a deep pit, according to claim 1, is characterized in that: a second square block (6), the second square block (6) being fixedly connected to one side of the partition board (1); a first square groove (7), the first square groove (7) being provided at the bottom of the second square block (6); a third square block (8), the third square block (8) being fixedly connected to the other side of the partition plate (1); A second square hole (9), wherein the second square hole (9) is provided on the third square block (8).
3. The device for constructing a combined deep and shallow foundation pit, first with a shallow pit and then with a deep pit, according to claim 2, is characterized in that: a fourth square block (10), the fourth square block (10) being detachably connected to the second square hole (9); a second square groove (11), the second square groove (11) being opened at the bottom of the fourth square block (10); A tripod (12) is fixedly connected to one side of the fourth square block (10).
4. The device for constructing a combined deep and shallow foundation pit, first with a shallow pit and then with a deep pit, according to claim 3, is characterized in that: a fifth square block (13), the fifth square block (13) being fixedly connected to one side of the tripod (12); A third square hole (14), the third square hole (14) is opened on the fifth square block (13).
5. The construction device for a combined deep and shallow foundation pit, first with a shallow pit and then with a deep pit, according to claim 4, is characterized in that: a sixth square block (15), the sixth square block (15) being detachably connected to the third square hole (14); A third square groove (16), the third square groove (16) is opened at the bottom of the sixth square block (15).
6. The device for constructing a combined deep and shallow foundation pit, first with a shallow pit and then with a deep pit, according to claim 5, is characterized in that: a seventh square block (17), the seventh square block (17) being fixedly connected to one side of the sixth square block (15); A fourth square hole (18), the fourth square hole (18) is opened on the seventh square block (17).
7. The device for constructing a combined deep and shallow foundation pit, first with a shallow pit and then with a deep pit, according to claim 6, is characterized in that: A shared partition structure (19), which is arranged at the junction of the deep and shallow pits to separate the deep and shallow combined foundation pit into two independent foundation pits; a force transmission structure (20), the force transmission structure (20) being arranged between the common partition structure (19) and the wall; A shallow pit area (21), the shallow pit area (21) being arranged on one side of the common partition structure (19); A deep pit area (22), the deep pit area (22) is arranged on the other side of the shared partition structure (19).