A deep foundation pit assembled adjustable support and installation method

Abstract

The application discloses a kind of deep foundation pit assembly adjustable support and installation method, including two groups of support component one and two groups of support component two;The support component one includes fence one and two edge supports one, the two ends of one end face of the fence one are each provided with an embedded groove one, the edge support one is located in one side of the embedded groove one and is attached to the fence one, and the edge support one is closer to the middle part of the fence one than the embedded groove one, one end of the edge support one is provided with an extension foot, and a through hole one is formed in the extension foot;The support component two includes fence two and two edge supports two, the two ends of one end face of the fence two are each provided with a thickened boss, and the edge support two is attached to the thickened boss, to strengthen the structural strength of deep foundation pit support, strengthen the effect of supporting deep foundation pit, and improve the installation convenience of deep foundation pit support.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of foundation pit support, in particular to a deep foundation pit assembly type adjustable support and installation method. BACKGROUND

[0002] With the continuous development of urban construction, high-rise buildings, underground rail transit and other projects are increasing, and the importance of deep foundation pit engineering is increasingly prominent. In the process of deep foundation pit construction, the support structure plays a crucial role. The traditional deep foundation pit support mostly uses cast-in-place concrete structure, but this method has problems such as long construction period, serious material waste, and great impact on the surrounding environment.

[0003] In order to solve these problems, assembly type support structure emerges as the times require. Assembly type support has the advantages of fast construction speed, reusability, green environmental protection and so on. Among them, the deep foundation pit assembly type adjustable support makes it possible to adapt to different foundation pit shapes and sizes. It can be flexibly adjusted according to actual needs, improving the adaptability of the support structure.

[0004] However, the existing deep foundation pit assembly type adjustable support still has some shortcomings in practical application. On the one hand, its strength often cannot meet the support requirements of deep foundation pit under complex geological conditions. When facing larger soil pressure and water pressure, deformation or even damage may occur. On the other hand, the current assembly type adjustable support installation process is complex, the installation efficiency is low, and the construction cost and time are increased. This not only affects the engineering progress, but also limits the further popularization and application of assembly type support technology to some extent. SUMMARY

[0005] Based on the above problems existing in the prior art, the purpose of the embodiments of the present application is to provide a deep foundation pit assembly type adjustable support and installation method, which can strengthen the structural strength of the deep foundation pit support, strengthen the effect of supporting the deep foundation pit, and improve the installation convenience of the deep foundation pit support.

[0006] The technical scheme adopted by the present application to solve its technical problems is:

[0007] A deep foundation pit assembly type adjustable support, comprising two groups of support components one and two groups of support components two;

[0008] The support component one comprises a fence one and two edge supports one, two ends of one end face of the fence one are provided with an embedded groove one, the edge support one is arranged on one side of the embedded groove one and is attached to the fence one, and the edge support one is closer to the middle part of the fence one than the embedded groove one, one end of the edge support one is provided with an extension foot, and the extension foot is provided with a through hole one;

[0009] The support assembly two comprises a fence two and two edge supports two, both ends of one end face of the fence two are provided with thickened bosses, the edge supports two are arranged on the thickened bosses, and the edge supports two are provided with pressing plates on the end faces away from the thickened bosses;

[0010] The two support assembly twos are symmetrically arranged, the two ends of each support assembly one are vertically arranged at the same ends of the two support assembly twos, the edge support twos are embedded in the inner embedding grooves one, the pressing plates are abutted on the end faces of the edge support one away from the fence one, and one side of the thickened boss is abutted on the end of the fence one.

[0011] A plurality of arc-shaped grooves one are equidistantly arranged on the end face of the fence one close to the edge support one, and the plurality of arc-shaped grooves one are located between the two inner embedding grooves one.

[0012] The support assembly one comprises two horizontal frames one and a plurality of reinforcing pipes one.

[0013] Both ends of the side face of the edge support one are provided with through grooves one, both ends of the horizontal frame one are respectively inserted into one of the through grooves one of the two edge supports one, and the two horizontal frames one are symmetrically arranged.

[0014] Both ends of the side face of the reinforcing pipe one are provided with an end boss one, the end boss one is provided with a through groove two, and the end boss one is nested with the through groove two and the horizontal frame one, so that the plurality of reinforcing pipes one are slidingly arranged on the two horizontal frames one.

[0015] The fence two is provided with a plurality of arc-shaped grooves two equidistantly arranged on the end face provided with the thickened boss, and the plurality of arc-shaped grooves two are located between the two thickened bosses.

[0016] The support assembly two comprises two horizontal frames two and a plurality of reinforcing pipes two.

[0017] Both ends of the side face of the fence two are provided with assembly grooves, both ends of the horizontal frame two are respectively inserted into the assembly grooves of the two edge supports two, and the two horizontal frames two are symmetrically arranged.

[0018] Both ends of the side face of the reinforcing pipe two are provided with an end boss two, the end boss two is provided with a through groove three, and the end boss two is nested with the through groove three on the horizontal frame two, so that the plurality of reinforcing pipes two are slidingly arranged on the two horizontal frames two.

[0019] Further, the support assembly further comprises a selected frame, the selected frame comprises a square tube, two slide rods and two insertion rods.

[0020] One end of the two slide rods is inserted into the square tube from two ports of the square tube, and the other end of the inserted rod is connected with the end of the slide rod outside the square tube through rotation.

[0021] Further, the matching frame comprises a plurality of lead screws, and a through hole is formed in the lead screw, and the central axis of the through hole is perpendicular to the central axis of the lead screw.

[0022] The two ends of one side of the square tube are provided with a plurality of threaded holes, and the lead screw is engaged in the threaded hole.

[0023] A mounting method of a deep foundation assembly type adjustable support, the specific steps are as follows:

[0024] S1, the edge of the foundation pit is treated by using an excavator bucket or other earthmoving equipment to flatten the edge of the foundation pit;

[0025] S2, install support assembly one, and insert a fixed pile in through hole one, the fixed pile is inserted into the soil layer at the bottom of the foundation pit by not less than 500mm, adjust the number of reinforcing pipes one according to the requirement of the foundation pit, and adjust the position of the reinforcing pipes one to correspond to different arc grooves one;

[0026] S3, install support assembly two, adjust the number of reinforcing pipes two according to the requirement of the foundation pit, and adjust the position of the reinforcing pipes two to correspond to different arc grooves two;

[0027] S4, after standing for 1 hour, measure whether the concave deformation of the enclosure one and the enclosure two is greater than 10mm, if it is greater than 10mm, add a matching frame, and the matching frame is directly supported on the position with larger deformation of the enclosure one and the enclosure two.

[0028] Compared with the prior art, the beneficial effects achieved by the present application are:

[0029] 1. Two support assemblies one are symmetrically arranged at two inner walls of the deep foundation pit, the enclosure one is arranged close to the inner wall of the deep foundation pit, and then the edge support one is abutted to the enclosure one, the fixed pile is inserted into the through hole one of the edge support one, so that the edge support one is fixed inside the deep foundation pit, and the enclosure one and the inner wall of the deep foundation pit are tightly abutted under the abutment of the edge support one, so as to form a reinforcing effect on the inner wall of the deep foundation pit;

[0030] 2. A plurality of reinforcing pipes one are arranged on the transverse frame one, and the reinforcing pipes one are embedded in the arc grooves one, so that the middle part of the enclosure one is reinforced by the reinforcing pipes one, the structural rigidity of the enclosure one is strengthened, and the number and position of the reinforcing pipes one can be adjusted according to the requirement of the construction site to meet the support requirement of the deep foundation pit under different soil layers;

[0031] 3. Two support components are symmetrically placed on the other two inner walls of the deep foundation pit. The enclosure is set to fit against the inner wall of the deep foundation pit. The edge support is embedded in the inner groove, which can further enhance the tightness of the fit between the enclosure and the inner wall of the deep foundation pit. The pressure plate abuts against the end face of the edge support away from the enclosure, which can prevent the edge support from deviating and further strengthen the entire support component. One side of the thickened boss abuts against the end of the enclosure, which can also prevent the enclosure from deforming under stress at both ends.

[0032] 4. The added reinforcing pipe II is embedded in the arc-shaped groove II, which can strengthen the structural rigidity of the enclosure II. The number and position of the reinforcing pipe II are adjustable and can be adjusted according to the needs of the construction site to meet the support requirements of deep foundation pits under different soil layers.

[0033] 5. When the optional frame is not installed, and the deep foundation pit is reinforced only by support component one and support component two, the deep foundation pit is only supported on the inner wall, and there is nothing to cover the rest of the deep foundation pit. It will be more convenient to carry out other forms of processing on the deep foundation pit in the future.

[0034] 6. When support components one and two alone are still insufficient to meet the support requirements of deep foundation pits, one or more sets of optional frames can be added. The position of the sliding rod of the optional frame inside the square tube can be adjusted. After adjusting to the required length, insert the two rods into the corresponding reinforcement tube one or reinforcement tube two, and rotate the screw through the through hole with steel bars and other components so that the screw presses tightly against the sliding rod and fixes the sliding rod in the required position, which can further strengthen the support of deep foundation pits.

[0035] 7. The two insertion rods can be inserted into one of the two symmetrical support components 1 or into one of the two symmetrical support components 2. Similarly, one can be inserted into one of the two support components 1 and the other into one of the two support components 2. In other words, the optional frame can be installed in various ways to provide different reinforcement effects for support components 1 and 2. Multiple sets of optional frames can be selected to reinforce support components 1 and 2 at the same time. Moreover, according to construction needs, the frame can be used to bypass the location where other construction work will be carried out later, leaving sufficient construction space for subsequent construction. Attached Figure Description

[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0037] In the picture:

[0038] Figure 1 This is a three-dimensional schematic diagram of the prefabricated adjustable support for deep foundation pits in this invention;

[0039] Figure 2 This is an exploded view of the prefabricated adjustable support for deep foundation pits in this invention.

[0040] Figure 3 is a perspective view of the support assembly one in Figure 1

[0041] Figure 4 is an exploded view of the support assembly one in Figure 1

[0042] Figure 5 is a perspective view of the reinforcing pipe one in Figure 3

[0043] Figure 6 is a perspective view of the support assembly two in Figure 1

[0044] Figure 7 is an exploded view of the support assembly two in Figure 1

[0045] Figure 8 is a perspective view of the reinforcing pipe two in Figure 6

[0046] Figure 9 is a perspective view of the optional frame in Figure 1

[0047] Figure 10 is an exploded view of the optional frame in Figure 1

[0048]

[0049] 1, support assembly one

[0050] 11, fence one; 12, transverse frame one; 13, edge support one; 14, reinforcing pipe one

[0051] 1101, arc-shaped groove one; 1102, inlaid groove one

[0052] 130, through slot one; 131, outer extension foot; 1310, through hole one

[0053] 141, end boss one; 1410, through slot two

[0054] 2, support assembly two

[0055] 21, fence two; 22, transverse frame two; 23, edge support two; 24, reinforcing pipe two

[0056] 2101, arc-shaped groove two; 211, thickened boss

[0057] 230, assembly groove; 231, pressing plate

[0058] 241, end boss two; 2410, through slot three ​​​​​​​​​

[0059] 3. The selection frame;

[0060] 31. The square tube; 32. The sliding rod; 33. The inserting rod; 34. The screw rod;

[0061] 310. The threaded hole;

[0062] 340. The perforation. DETAILED DESCRIPTION

[0063] The present application will now be described in detail by referring to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present application in a schematic manner, and thus only show the components relevant to the present application.

[0064] Referring to Figures 1-10 , the present application provides technical solutions:

[0065] A deep foundation pit assembled adjustable support, comprising two groups of support assembly one 1, two groups of support assembly two 2 and a plurality of selection frames 3.

[0066] The support assembly one 1 comprises a fence one 11, two transverse frames one 12, two edge supports one 13 and a plurality of reinforcing tubes one 14.

[0067] Two ends of one end face of the fence one 11 are provided with an embedded groove one 1102.

[0068] The edge support one 13 is arranged on one side of the embedded groove one 1102 and is attached to the fence one 11, and the edge support one 13 is closer to the middle part of the fence one 11 than the embedded groove one 1102. One end of the edge support one 13 is provided with an extension foot 131, and a through hole one 1310 is formed in the extension foot 131. A plurality of arc-shaped grooves one 1101 are equidistantly formed on the end face of the fence one 11 close to the edge support one 13, and the plurality of arc-shaped grooves one 1101 are located between the two embedded grooves one 1102. Two ends of the side surface of the edge support one 13 are provided with a through groove one 130, and two ends of the transverse frame one 12 are respectively inserted into one of the through grooves one 130 of the two edge supports one 13, and the two transverse frames one 12 are symmetrically arranged.

[0069] The side surface of the two end portions of the reinforcing tube one 14 is provided with an end boss one 141, and a through groove two 1410 is formed in the end boss one 141. The end boss one 141 is nested with the through groove two 1410 and the transverse frame one 12, so that the plurality of reinforcing tubes one 14 are slidingly installed on the two transverse frames one 12.

[0070] The support assembly two 2 comprises a fence two 21, two transverse frames two 22, two edge supports two 23 and a plurality of reinforcing tubes two 24.

[0071] The two ends of the end face of the enclosure two 21 are provided with thickened bosses 211, and the edge support two 23 is attached to the thickened bosses 211. The end face of the edge support two 23 away from the thickened bosses 211 is provided with a pressing plate 231. The end face of the enclosure two 21 provided with the thickened bosses 211 is provided with a plurality of arc-shaped grooves two 2101 at equal intervals. The plurality of arc-shaped grooves two 2101 are located between the two thickened bosses 211.

[0072] The two ends of the side of the two edge supports two 23 close to each other are provided with assembly grooves 230. The two ends of the transverse frame two 22 are respectively inserted into the assembly grooves 230 of the two edge supports two 23, and the two transverse frames two 22 are symmetrically arranged.

[0073] The two ends of one side of the reinforcing pipe two 24 are provided with end bosses two 241. The end bosses two 241 are provided with through grooves three 2410. The end bosses two 241 are nested on the transverse frame two 22 through the through grooves three 2410, so that the plurality of reinforcing pipes two 24 are slidingly installed on the two transverse frames two 22.

[0074] The two support assemblies two 2 are symmetrically arranged. The two ends of each support assembly one 1 are perpendicular to the same ends of the two support assemblies two 2. The edge support two 23 is embedded in the inner embedded groove one 1102. The pressing plate 231 abuts against the end face of the edge support one 13 away from the enclosure one 11. One side of the thickened boss 211 abuts against the end of the enclosure one 11.

[0075] The optional frame 3 comprises a square tube 31, two slide rods 32, two insertion rods 33, and a plurality of lead screws 34.

[0076] The two ends of one side of the square tube 31 are provided with a plurality of threaded holes 310.

[0077] One end of each of the two slide rods 32 is inserted into the square tube 31 from the two ports of the square tube 31. One end of the insertion rod 33 is rotationally connected with the end of the slide rod 32 outside the square tube 31.

[0078] The lead screw 34 is provided with a through hole 340. The central axis of the through hole 340 is perpendicular to the central axis of the lead screw 34. The lead screw 34 is engaged in the threaded hole 310.

[0079] The two support assemblies one 1 are symmetrically arranged at the two inner walls of the deep foundation pit. The enclosure one 11 is attached to the inner wall of the deep foundation pit. Then, the edge support one 13 is abutted against the enclosure one 11. By inserting the fixed pile into the through hole one 1310 of the edge support one 13, the edge support one 13 can be fixed inside the deep foundation pit. Under the abutment of the edge support one 13, the enclosure one 11 and the inner wall of the deep foundation pit are tightly abutted, which forms a reinforcing effect on the inner wall of the deep foundation pit.

[0080] In addition, by adding multiple reinforcing tubes 14 on the transverse frame 12 and embedding the reinforcing tubes 14 in the arc-shaped grooves 1101, the middle part of the fence 11 can be reinforced by the reinforcing tubes 14, the structural rigidity of the fence 11 is strengthened, and the number and position of the reinforcing tubes 14 can be adjusted according to the requirements of the construction site to meet the support requirements of the deep foundation pit under different soil layers.

[0081] The two support assemblies 2 are symmetrically arranged at the other two inner walls of the deep foundation pit, the fence 21 is arranged in close contact with the inner wall of the deep foundation pit, the edge support 23 is embedded in the inner groove 1102, which can further enhance the close contact between the fence 11 and the inner wall of the deep foundation pit, the pressing plate 231 abuts against the end face of the edge support 13 away from the fence 11, which can prevent the edge support 13 from deviating, further reinforce the entire support assembly 1, and the thickened boss 211 abuts against one side of the end of the fence 11, which can also prevent the fence 11 from being deformed under stress at both ends.

[0082] In addition, the added reinforcing tubes 24 are embedded in the arc-shaped grooves 2101, which can strengthen the structural rigidity of the fence 21, and the number and position of the reinforcing tubes 24 can be adjusted according to the requirements of the construction site to meet the support requirements of the deep foundation pit under different soil layers.

[0083] When the optional frame 3 is not installed, only the support assembly 1 and the support assembly 2 are used to reinforce the deep foundation pit, and the deep foundation pit is only supported at the inner wall, and the rest of the part is not blocked, which makes it more convenient for subsequent processing of the deep foundation pit in other forms.

[0084] When only the support assembly 1 and the support assembly 2 are still insufficient to meet the support requirements of the deep foundation pit, one or more optional frames 3 can be installed, the position of the slide rod 32 in the square tube 31 of the optional frame 3 can be adjusted, and after adjusting to the required length, two insertion rods 33 are inserted into the corresponding reinforcing tubes 14 or reinforcing tubes 24, and the steel bars and other parts are inserted through the perforations 340 to rotate the lead screw 34, so that the lead screw 34 tightly presses the slide rod 32 to fix the slide rod 32 at the required position, which can further strengthen the support of the deep foundation pit.

[0085] The two insertion rods 33 can be inserted into a certain reinforcing tube 14 in the two symmetric support assemblies 1 respectively, or inserted into a certain reinforcing tube 24 in the two symmetric support assemblies 2 respectively, or one inserted into the reinforcing tube 14 and the other inserted into the reinforcing tube 24, that is, the optional frame 3 has multiple installation methods, which can form different reinforcing effects on the support assembly 1 and the support assembly 2, and multiple optional frames 3 can be selected to reinforce the support assembly 1 and the support assembly 2, and according to the construction requirements, the positions requiring subsequent construction work can be bypassed to leave enough construction space for subsequent construction.

[0086] A mounting method of a deep foundation assembled adjustable support, the specific steps are as follows:

[0087] S1, the foundation pit side is handled, the excavator bucket or other earthmoving equipment is used to shovel the edge of the foundation pit flat;

[0088] S2, install support assembly one 1, and insert the fixed pile in the through hole 1310, the fixed pile is more than 500mm deep into the foundation pit bottom soil layer, the number of reinforcing pipes one 14 is adjusted according to the demand of foundation pit, and the position of reinforcing pipes one 14 is adjusted to correspond to different arc grooves one 1101;

[0089] S3, install support assembly two 2, adjust the number of reinforcing pipes two 24 according to the demand of foundation pit, and adjust the position of reinforcing pipes two 24 to correspond to different arc grooves two 2101;

[0090] S4, after standing for 1 hour, measure whether the concave deformation of the enclosure one 11 and the enclosure two 21 is greater than 10mm, if greater than 10mm, then add the optional frame 3, the optional frame 3 is directly supported on the position of the enclosure one 11 and the enclosure two 21 with greater deformation.

[0091] This mounting method cooperates with this deep foundation assembled adjustable support, which can quickly build a support with strong structural rigidity in the deep foundation.

[0092] With the above ideal embodiments according to the application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the scope of the application. The technical scope of the application is not limited to the contents of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A deep foundation pit fabricated adjustable support, characterized in that: The support assembly one includes two groups of support assembly one and two groups of support assembly two; The support assembly one includes two groups of support assembly one and two groups of support assembly two; The support assembly one includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; 2. The deep foundation assembly adjustable support of claim 1, wherein: The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; 3. The deep foundation pit assembled adjustable support according to claim 2, characterized in that: The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; The support assembly two includes two groups of support assembly one and two groups of support assembly two; 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The installation method of the deep foundation assembled adjustable support according to claim 3, wherein the specific steps are as follows: S1, processing the foundation pit edge, using an excavator bucket or other earthmoving equipment to shovel the edge of the foundation pit flat; S2, installing the support assembly one and inserting the fixed pile in the through hole one, the fixed pile is deep into the foundation pit bottom soil layer not less than 500mm, adjusting the number of the reinforcing pipe one according to the foundation pit demand and adjusting the position of the reinforcing pipe one to correspond to different arc-shaped grooves one; S3, installing the support assembly two, adjusting the number of the reinforcing pipe two according to the foundation pit demand and adjusting the position of the reinforcing pipe two to correspond to different arc-shaped grooves two; S4, after standing for 1 hour, measuring whether the concave deformation of the enclosure one and the enclosure two is greater than 10mm, if greater than 10mm, then adding the optional frame, the optional frame is directly supported on the position of the enclosure one and the enclosure two with larger deformation.

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