CN218405472U - Foundation ditch supporting construction that collapses - Google Patents
Foundation ditch supporting construction that collapses Download PDFInfo
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- CN218405472U CN218405472U CN202222978980.5U CN202222978980U CN218405472U CN 218405472 U CN218405472 U CN 218405472U CN 202222978980 U CN202222978980 U CN 202222978980U CN 218405472 U CN218405472 U CN 218405472U
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Abstract
An anti-collapse supporting structure for a foundation pit, comprising: the first fixing pile is fixedly inserted into earthwork on the side edge of the foundation pit; a second fixing pile fixedly inserted into the bottom of the foundation pit, wherein the top end of the second fixing pile is detachably connected with the top end of the first fixing pile; the baffle is attached to the side wall of the foundation pit; and a support member detachably connecting the baffle and the second spud. In the supporting structure, the first fixing pile pulls the second fixing pile through the rope, so that the second fixing pile can be prevented from toppling towards the side wall of the foundation pit according to the principle; the baffles arranged in layers from top to bottom can support the side wall of the foundation pit layer by layer in the downward excavation process of the foundation pit, so that the foundation pit is effectively supported in the downward excavation process, and the safety coefficient is improved; the baffle is connected with the second fixing pile through the supporting piece, and the supporting sleeve in the supporting piece is adjusted to enable the supporting piece to apply thrust to the baffle through the second fixing pile, so that the baffle has a better supporting effect.
Description
Technical Field
The utility model relates to a foundation ditch support technical field, more specifically say, in particular to supporting construction that collapses is prevented to foundation ditch.
Background
The engineering construction of basement, underground market, underground garage, etc. of high-rise and multi-story building all can face foundation engineering and deep foundation pit engineering, and after the foundation pit excavation, will form the vertical side slope that has certain height, and the foundation soil that constitutes the side slope mainly is silt and loose silt that are soft plastic state, and its shear strength reduces, belongs to unstable side slope. The foundation construction is an important component of building construction, once a foundation pit collapse accident occurs, huge economic loss can be caused, and casualties can be caused in severe cases. Therefore, it is necessary to reduce the possibility of collapse of the foundation pit by a scientific and reasonable supporting structure and to make good safety precautions for the foundation construction.
The patent with the publication number of CN217174816U discloses an anti-collapse supporting structure for a deep foundation pit, which comprises vertical supporting plates, two horizontal supporting plates symmetrically arranged at the bottom ends of the vertical supporting plates, a horizontal adjusting mechanism, a vertical adjusting mechanism, a fixed rotating shaft and a supporting rod, wherein the horizontal adjusting mechanism is welded at the top ends of the horizontal supporting plates, the vertical adjusting mechanism is welded at one side of each vertical supporting plate, and the supporting rod is arranged between the horizontal adjusting mechanism and the vertical adjusting mechanism through the fixed rotating shaft; horizontal adjustment mechanism includes first steel casing, first inner chamber, first lead screw, first bearing and first handle, first steel casing welding is on horizontal support plate, first inner chamber has been seted up to the inside of first steel casing, the mid-mounting of first steel casing has first lead screw, vertical adjustment mechanism includes the second steel casing, the second inner chamber, the second lead screw, the second bearing, the movable block, the silk hole, the plummer, concave type piece and shaft hole, second steel casing welding is in one side of vertical support plate, the inside of second steel casing is provided with the second inner chamber, the internally mounted of second steel casing has the second lead screw, the second lead screw passes through the second bearing and is connected with the second steel casing. In the in-process of excavation of foundation ditch, the foundation ditch lateral wall also has the risk of collapsing, and vertical support plate among this supporting construction is fixed in the foundation ditch lateral wall, vertical adjustment mechanism is fixed in vertical support plate, horizontal support plate is fixed in the foundation ditch bottom surface, horizontal adjustment mechanism is fixed in on the horizontal support plate, it has the bracing piece to articulate between horizontal adjustment mechanism and the vertical adjustment mechanism, make wholly can not carry out the regulation of height after putting up the completion, so at the in-process that excavates downwards in foundation ditch, this supporting device can not carry out the successive layer of follow-up formula to the foundation ditch lateral wall along with the excavation of foundation ditch degree of depth and strut, can only carry out final supporting to the foundation ditch after the completion again after the excavation of foundation ditch is accomplished, thereby can't avoid the foundation ditch to take place the condition of collapsing at the process of excavating downwards.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing a supporting construction that collapses is prevented to the foundation ditch, can carry out the support of following the formula to the lateral wall of foundation ditch at the in-process that the foundation ditch excavated downwards to make the foundation ditch obtain effectual strut at the in-process of excavation and avoid collapsing, improve factor of safety.
An anti-collapse supporting structure for a foundation pit, comprising: the first fixing pile is fixedly inserted into earthwork on the side edge of the foundation pit; a second fixing pile fixedly inserted into the bottom of the foundation pit, wherein the top end of the second fixing pile is detachably connected with the top end of the first fixing pile; the baffle is attached to the side wall of the foundation pit; and a support member detachably connecting the baffle and the second spud.
Furthermore, a first fixing ring is fixedly connected to the top of the first fixing pile.
Further, the second fixing ring is fixedly connected to the top of the second fixing pile, and a rope is detachably connected between the first fixing ring and the second fixing ring.
Furthermore, the baffle is provided with a plurality of blocks, and the side surface of the baffle is provided with an annular bulge.
Further, the foundation ditch lateral wall alternates and is fixed with the stock, the stock is located two adjacent between the baffle, the stock outer wall is equipped with the screw thread, the external screw thread of stock has the backing plate, the backing plate is used for pressing and holds two adjacent the baffle.
Further, support piece includes first supporting screw, second supporting screw and support sleeve, support sleeve is equipped with first through-hole, first through-hole both ends are equipped with opposite direction's screw thread, first supporting screw and second supporting screw outer wall screw thread are opposite, first supporting screw and second supporting screw respectively spiro union in support sleeve's both ends.
Further, first supporting screw tip rigid coupling has the slider, the slider is equipped with the second through-hole, the second spud pile slides and passes the second through-hole, the slider lateral wall is equipped with spacing through-hole, spacing through-hole is equipped with the screw thread, spacing through-hole spiro union has spacing bolt, spacing bolt is used for the restriction the slider slides.
Furthermore, a fixed block is fixedly connected to the end portion of the second support screw rod and embedded into the annular protrusion.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) first spud pile fixed insertion is in foundation ditch side earthwork among this supporting construction, and the fixed insertion of second spud pile foundation ditch bottom, first spud pile and second spud pile top pass through the rope and connect, and the second spud pile that inserts in foundation ditch bottom is passed through the rope by the second spud pile and is pull and make the second spud pile can not empty to the direction of principle foundation ditch lateral wall.
(2) A plurality of baffles in this supporting construction from top to bottom set up by layers and fixed through the stock, and the baffle that from top to bottom sets up by layers can be strutted the lateral wall of foundation ditch at the in-process successive layer that the foundation ditch excavated downwards to guarantee that the foundation ditch obtains effectively strutting at the in-process that excavates downwards, improve factor of safety.
(3) Support sleeve both ends among this supporting construction have first supporting screw and second supporting screw respectively the spiro union, first supporting screw passes through the slider can dismantle to be connected in the second spud pile, the second supporting screw passes through the fixed block embedding to be supported in the annular of baffle is protruding, thereby move the support sleeve through twisting and then can make first supporting screw and second supporting screw move dorsad to the baffle provide thrust under the effect of second spud pile, make the better excavation lateral wall of strutting of baffle on the basis of stock anchor, safety factor is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of the overall structure of the foundation pit collapse prevention supporting structure.
Fig. 2 is a cross-sectional view of an underground pit collapse prevention supporting structure.
Fig. 3 is an enlarged view at a in fig. 2.
In the figure: 1. a foundation pit; 11. earthwork; 2. a first spud pile; 21. a first retaining ring; 3. a second spud pile; 31. a second retaining ring; 4. a baffle plate; 41. an annular projection; 5. a support member; 51. a first support screw; 511. a slider; 5111. a limit bolt; 52. a second support screw; 521. a fixed block; 53. a support sleeve; 6. a rope; 7. an anchor rod; 71. a backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The specific embodiment is as follows:
as shown in fig. 1 and 2, an anti-collapse supporting structure of a foundation pit 1 fixes a first fixing pile 2 inserted into earthwork 11 at a side of the foundation pit 1; the second fixing pile 3 is fixedly inserted into the bottom of the foundation pit 1, and the top end of the second fixing pile 3 is detachably connected with the top end of the first fixing pile 2; the baffle 4 is attached to the side wall of the foundation pit 1; and a support 5 for removably connecting baffle 4 and second spud 3.
Wherein, first spud pile 2 is metal tubular structure, in driving first spud pile 2 into the earthwork 11 of foundation ditch 1 side through the pile driver, and 2 top welded fastening have first solid fixed ring 21 at first spud pile, first solid fixed ring 21 is the metal ring.
The baffle 4 is a rectangular plate made of metal, the annular bulge 41 is arranged in the center of the baffle 4, the annular bulge 41 is a rectangular frame-shaped structure, a plurality of baffles 4 are arranged along the side wall of the foundation pit 1, an interval is arranged between every two adjacent baffles 4, a plurality of anchor rods 7 are fixedly inserted into the side wall of the foundation pit 1, the anchor rods 7 are hollow grouting anchor rods 7, the outer wall of each anchor rod 7 is provided with threads, a backing plate 71 is connected to the outer threads of each screw rod in an screwed mode, two anchor rods 7 are arranged between every two adjacent baffles 4, the two adjacent backing plates 71 are pressed and fixed through the backing plate 71, the plurality of baffles 4 in the supporting structure are arranged from top to bottom in a layered mode and are fixed through the anchor rods 7, the baffles 4 arranged from top to bottom in a layered mode can support the side wall of the foundation pit 1 layer by layer in the downward excavation process of the foundation pit 1, and therefore it is guaranteed that the foundation pit 1 is effectively supported in the downward excavation process, and safety factors are improved.
As shown in fig. 3, the supporting member 5 includes a first supporting screw 51, a second supporting screw 52 and a supporting sleeve 53, the outer walls of the first supporting screw 51 and the second supporting screw 52 are provided with threads with opposite directions, the supporting sleeve 53 is a rectangular cuboid, the supporting sleeve 53 is provided with a first through hole penetrating through two opposite surfaces, two ends of the first through hole are provided with threads with opposite directions, the first supporting screw 51 and the second supporting screw 52 are respectively screwed at two ends corresponding to the first through hole, the supporting sleeve 53 is rotated, the first supporting screw 51 and the second supporting screw 52 simultaneously move in opposite directions or in opposite directions, the end of the first supporting screw 51 is fixedly connected with a sliding block 511, the sliding block 511 is provided with a second through hole, the second fixing pile 3 passes through the second through hole, the sliding block 511 slides relative to the second fixing pile 3, the side wall of the sliding block 511 is provided with a limiting hole, the limiting bolt 5111 is arranged in the limiting hole, the limiting bolt 5111 can limit the sliding block 511 to move relative to the second fixing pile 3 by screwing the supporting screw 51, the supporting sleeve 53, the supporting sleeve 51 is detachably connected to the supporting sleeve 52, the supporting sleeve 51, the supporting bolt 521, and the supporting baffle 52 is connected to the foundation pit supporting pile 3, the foundation pit supporting bolt 51, the supporting baffle 4, and the supporting baffle 4, the supporting bolt 52, and the supporting baffle 52, the supporting baffle 4 can be capable of supporting baffle 4, and the foundation pit supporting pile.
When the supporting structure is assembled, a first fixing pile 2 is firstly driven into an earthwork 11 at the side of a foundation pit 1 through a pile driver, a second fixing pile 3 is selected according to the depth to be excavated in the foundation pit 1, the length of the second fixing pile 3 is larger than the depth of the foundation pit 1, after the foundation pit 1 with a certain depth is excavated according to the construction progress, the second fixing pile 3 is driven into the foundation pit 1 through the pile driver, the second fixing pile 3 is close to the side wall of the foundation pit 1, the top end of the second fixing pile 3 is higher than the top end of the earthwork 11 at the side of the foundation pit 1, a plurality of baffles 4 are attached to the top end of the side wall of the foundation pit 1, the top end of the topmost baffle 4 is flush with the top end of the earthwork 11 at the side of the foundation pit 1, when the baffles 4 are placed, the baffle 4 adjacent to the left and the right is anchored through an anchor rod 7, a first fixing ring 21 and a second fixing ring 31 at the top end of the first fixing pile 2 are bound and fixed through a rope 6, a plurality of sliders 511 are sleeved on the second fixing pile 3 in a sliding manner, a first supporting screw 51 fixedly connected with a topmost slide block 511 is screwed on a supporting sleeve 53, a second supporting screw 52 fixedly connected with a fixed block 521 is screwed on the other end of the supporting sleeve 53, the fixed block 521 is embedded into an annular bulge 41 of a baffle 4, the supporting sleeve 53 is rotated and screwed, so that the baffle 4 is integrally supported by a supporting piece 5, a limiting bolt 5111 is screwed, the slide block 511 is limited on a second fixed pile 3, after the topmost baffle 4 is supported, the foundation pit 1 is continuously excavated downwards, after a certain depth is excavated, a layer of baffle 4 is anchored below the supported baffle 4 through an anchor rod 7, anchor rods 7 are arranged between an upper baffle 4, a lower baffle 4, a left baffle 4 and a right baffle 4, another group of supporting pieces 5 support the second layer of baffle 4, the foundation pit 1 is continuously excavated downwards and the corresponding layer of baffle 4 is supported through the supporting piece 5 below in the step, so that the baffle 4 can support the side wall of the foundation pit 1 layer by layer along with the downward excavation progress of the foundation pit 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a foundation ditch (1) collapse prevention supporting construction which characterized in that includes:
the first fixing pile (2) is fixedly inserted into earthwork (11) at the side of the foundation pit (1);
the second fixing pile (3) is fixedly inserted into the bottom of the foundation pit (1), and the top end of the second fixing pile (3) is detachably connected with the top end of the first fixing pile (2);
the baffle (4) is attached to the side wall of the foundation pit (1); and
and the support piece (5) is detachably connected with the baffle (4) and the second fixing pile (3).
2. The foundation pit (1) collapse prevention supporting structure according to claim 1, wherein: the top of the first fixing pile (2) is fixedly connected with a first fixing ring (21).
3. Foundation pit (1) collapse-prevention supporting structure according to claim 2, characterized in that: second spud pile (3) top rigid coupling has the solid fixed ring of second (31), can dismantle between first fixed ring (21) and the solid fixed ring of second (31) and be connected with rope (6).
4. A foundation pit (1) collapse prevention supporting structure according to claim 3, characterized in that: the baffle (4) is provided with a plurality of blocks, and the side surface of the baffle (4) is provided with an annular bulge (41).
5. Foundation pit (1) collapse prevention supporting structure according to claim 4, characterized in that: foundation ditch (1) lateral wall alternates and is fixed with stock (7), stock (7) are located two adjacently between baffle (4), stock (7) outer wall is equipped with the screw thread, stock (7) external screw joint has backing plate (71), backing plate (71) are used for pressing and hold two adjacently baffle (4).
6. Pit (1) collapse prevention supporting structure according to claim 5, characterized in that: support piece (5) are including first supporting screw (51), second supporting screw (52) and support sleeve (53), support sleeve (53) are equipped with first through-hole, first through-hole both ends are equipped with opposite direction's screw thread, first supporting screw (51) and second supporting screw (52) outer wall screw thread are opposite, first supporting screw (51) and second supporting screw (52) spiro union respectively in the both ends of support sleeve (53).
7. The foundation pit (1) collapse prevention supporting structure according to claim 6, wherein: first supporting screw (51) tip rigid coupling has slider (511), slider (511) are equipped with the second through-hole, second spud pile (3) slide and pass the second through-hole, slider (511) lateral wall is equipped with spacing through-hole, spacing through-hole is equipped with the screw thread, spacing through-hole spiro union has spacing bolt (5111), spacing bolt (5111) are used for the restriction slider (511) slide.
8. The foundation pit (1) collapse prevention supporting structure according to claim 7, wherein: the end part of the second support screw rod (52) is fixedly connected with a fixed block (521), and the fixed block (521) is embedded into the annular bulge (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222978980.5U CN218405472U (en) | 2022-11-09 | 2022-11-09 | Foundation ditch supporting construction that collapses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222978980.5U CN218405472U (en) | 2022-11-09 | 2022-11-09 | Foundation ditch supporting construction that collapses |
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| Publication Number | Publication Date |
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| CN218405472U true CN218405472U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222978980.5U Active CN218405472U (en) | 2022-11-09 | 2022-11-09 | Foundation ditch supporting construction that collapses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116770856A (en) * | 2023-06-12 | 2023-09-19 | 湖北省工业建筑集团有限公司 | Building construction foundation soil slope supporting construction |
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2022
- 2022-11-09 CN CN202222978980.5U patent/CN218405472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116770856A (en) * | 2023-06-12 | 2023-09-19 | 湖北省工业建筑集团有限公司 | Building construction foundation soil slope supporting construction |
| CN116770856B (en) * | 2023-06-12 | 2024-07-19 | 湖北省工业建筑集团有限公司 | Building construction foundation soil slope supporting construction |
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