CN116201131A - Foundation pit supporting structure and supporting method - Google Patents

Abstract

The invention belongs to the technical field of foundation pit support, and particularly relates to a foundation pit support structure and a support method. Including enclosing mainboard, supporting mechanism and drainage mechanism, the enclosing mainboard is used for enclosing the soil body structure of foundation ditch lateral wall, and drainage mechanism sets up in the soil body structure of foundation ditch lateral wall for the ponding in the discharge soil body structure, supporting mechanism sets up between the enclosing mainboard, and supporting mechanism includes support upstand and support horizontal pole, is provided with a plurality of through-hole on the support upstand, and the support horizontal pole passes through the setting of through-hole perpendicular to enclosing mainboard, all is provided with V-arrangement support piece and adjusting nut at the both ends of support horizontal pole and on the support horizontal pole that lie in the through-hole both sides. The support intensity to the enclosure main plate can be adjusted through adjusting nut, and the support upstand not only can play fixed action to the support horizontal pole, prevents to support the slip and the slope of horizontal pole, can also regard as middle bearing structure, makes the support horizontal pole that supports the upstand both sides form the supporting action respectively for it is more reliable to prop up the support.

Description

Foundation pit supporting structure and supporting method

Technical Field

The invention belongs to the technical field of foundation pit support, and particularly relates to a foundation pit support structure and a support method.

Background

With the rapid development of economy, urban construction develops rapidly, and high-rise buildings are increasingly growing. The underground of high-rise building often needs facilities such as design parking area, this will involve the construction of foundation ditch, and general soil body shear capacity is lower, tensile ability is almost negligible, but the soil body has certain integrality, current foundation ditch supporting structure and means make and support the foundation ditch both sides through the baffle, but the bearing structure who is used for supporting the baffle often slides easily, inclines or damages, the security of unable guarantee construction, secondly current foundation ditch supporting structure only carries out the drainage through inserting the drain pipe in the soil body outside the foundation ditch, the drainage capacity is relatively poor, can't satisfy great drainage demand.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a foundation pit supporting structure and a supporting method, which are used for solving the problems in the prior art.

The utility model provides a foundation ditch supporting structure, includes the enclosure mainboard, supporting mechanism and drainage mechanism, the enclosure mainboard is two, and sets up respectively in the inboard of two opposite lateral walls in the foundation ditch for soil body structure to the foundation ditch lateral wall is enclosed, drainage mechanism sets up in the soil body structure of foundation ditch lateral wall, is used for discharging ponding in the soil body structure, supporting mechanism sets up between the enclosure mainboard for provide the support for the enclosure mainboard, supporting mechanism includes support upstand and support horizontal pole, the bottom of support upstand buries in the bottom soil body of foundation ditch, be provided with a plurality of through-hole on the support upstand, the support horizontal pole passes through the setting of through-hole perpendicular to the enclosure mainboard, both ends and the support horizontal pole that are located the through-hole both sides on the support horizontal pole all are provided with V-shaped support piece and adjusting nut, V-shaped support piece slidable mounting is on the support horizontal pole, adjusting nut threaded connection is in the non-support end one side of V-shaped support piece on the support horizontal pole for adjusting the position of V-shaped support piece.

Further, a horizontal supporting plate is arranged on one side of the enclosing main plate, which is back to the side wall of the foundation pit, and a plurality of fixing insertion piles are arranged at the bottom end of the enclosing main plate.

Further, drainage mechanism includes fixed tubular pile and drain pipe, fixed tubular pile is vertical inserts in locating the foundation ditch lateral wall soil body structure in the enclosing main board outside, be provided with the cavity in the fixed tubular pile, be provided with the infiltration hole on the lateral wall at fixed tubular pile middle part, fixed tubular pile's lower part is provided with the screw hole, the screw hole communicates with the cavity in the fixed tubular pile, the one end of drain pipe is passed through the screw hole and is connected with fixed tubular pile, the other end outer wall of drain pipe is provided with the screw thread, and the drain pipe sets up the one end of screw thread and runs through the enclosing main board and be fixed in the foundation ditch through fixation nut.

Furthermore, the fixed pipe pile and the drain pipe are made of stainless steel.

Further, the support upstand is a square post, and a support table is horizontally arranged at the lower part of the support upstand.

Further, still include auxiliary support mechanism, auxiliary support mechanism includes auxiliary support seat, auxiliary support seat passes through the bolt fastening in the horizontal support plate, auxiliary support seat and horizontal support plate are run through to the bottom of bolt sets up in the bottom soil of foundation ditch, auxiliary support seat's top articulates there is auxiliary stay pole, auxiliary stay pole's the other end articulates there is the connecting plate, the connecting plate passes through the fix with screw on supporting the upstand.

The supporting method adopting the foundation pit supporting structure comprises the following steps of:

the two enclosure main boards are respectively and tightly fixed on the side walls of the two ends of the foundation pit, the fixed insertion piles at the bottom end are inserted into the soil body at the bottom of the foundation pit, and the supporting vertical columns are fixed between the two enclosure main boards;

the supporting cross rod is arranged through the through hole on the supporting vertical post, the V-shaped supporting pieces and the adjusting nuts are arranged on the supporting cross rod, the V-shaped supporting pieces at the two ends of the supporting cross rod firstly generate supporting effect by screwing the adjusting nuts, and then the adjusting nuts at the two sides of the supporting vertical post are screwed, so that the V-shaped supporting pieces at the two sides of the supporting vertical post generate supporting effect on the supporting vertical post;

an auxiliary supporting seat of the auxiliary supporting mechanism is fixed on the horizontal supporting plate through bolts, the angle of the auxiliary supporting rod is adjusted, and a connecting plate at the other end of the auxiliary supporting rod is fixed on the supporting vertical column through bolts;

and vertically drilling a pipe pile hole for setting a fixed pipe pile on the soil body outside the enclosure main board by using a drilling machine, transversely drilling a water pipe hole for setting a drain pipe on the enclosure main board and the soil body of the enclosure main board, inserting the fixed pipe pile into the pipe pile hole, then inserting one end of the drain pipe into the water pipe hole and connecting the end of the drain pipe with a threaded hole of the fixed pipe pile, and arranging threads on the outer wall of the drain pipe to be clamped with the enclosure main board through a fixing nut.

Compared with the prior art, the invention has the beneficial effects that:

the support cross rod is arranged, the V-shaped support piece and the adjusting nut are arranged on the support cross rod, the support strength of the support cross rod to the enclosure main plate can be adjusted through the adjusting nut, and the support vertical post is also arranged, so that the support vertical post can not only play a role in fixing the support cross rod and prevent the support cross rod from sliding and tilting, but also can serve as a middle bearing structure, so that the support cross rods on two sides of the support vertical post respectively form a support effect, and the support is more reliable; secondly, the structure that fixed tubular pile and drain pipe formed in this application not only can satisfy great drainage demand, can provide the fixed action for the enclosure mainboard moreover, further strengthen the support reliability.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is an enlarged view of a partial structure of fig. 1.

The device comprises a 1-enclosure main board, a 2-supporting vertical column, a 3-supporting cross rod, a 4-V-shaped supporting piece, a 5-adjusting nut, a 6-fixing insertion pile, a 7-horizontal supporting board, an 8-fixing pipe pile, a 9-water seepage hole, a 10-drain pipe, an 11-fixing nut, a 12-supporting table, a 13-auxiliary supporting seat, a 14-auxiliary supporting rod, a 15-connecting plate and a 16-bolt.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

1-2 of combined specification, a foundation ditch supporting structure, including enclosing mainboard 1, supporting mechanism and drainage mechanism, enclosing mainboard 1 is two, and sets up respectively in the inboard of two opposite lateral walls in the foundation ditch for the soil body structure to the foundation ditch lateral wall is enclosed, drainage mechanism sets up in the soil body structure of foundation ditch lateral wall for the ponding in the discharge soil body structure, supporting mechanism sets up between enclosing mainboard 1, is used for providing the support for enclosing mainboard 1, supporting mechanism includes support upstand 2 and support horizontal pole 3, support upstand 2 bottom buries in the bottom soil of foundation ditch, be provided with a plurality of through-hole on the support upstand 2, support horizontal pole 3 passes through-hole perpendicular to enclosing mainboard 1 setting, be located the through-hole both sides on both sides of support horizontal pole 3 and the support horizontal pole 3 and all be provided with V-shaped support 4 and adjusting nut 5, V-shaped support 4 slidable mounting is on support horizontal pole 3, adjusting nut 5 threaded connection is in the non-support end one side of V-shaped support 4 on support horizontal pole 3 for adjusting the position of V-shaped support 4.

The supporting upstand 2 not only can play the fixed action for the supporting cross bar 3, prevents the slope and the slippage of supporting cross bar 3, and supporting upstand 2 can be as middle bearing structure moreover, makes the supporting cross bar 3 of supporting upstand 2 both sides respectively form the supporting action for it is more reliable to prop up, and adjusting nut 5 then can be through the position of adjustment V-arrangement support piece 4, and then adjusts the supporting strength.

In this embodiment, a horizontal support plate 7 is disposed on a side of the enclosure main board 1 facing away from the side wall of the foundation pit, and a plurality of fixing insertion piles 6 are disposed at the bottom end of the enclosure main board 1.

The bottom end of the enclosure main board 1 can be conveniently inserted into soil through the arrangement of the fixed insertion piles 6, and a certain fixed supporting effect can be provided for the enclosure main board 1 through the arrangement of the horizontal supporting boards 7.

In this embodiment, drainage mechanism includes fixed tubular pile 8 and drain pipe 10, fixed tubular pile 8 is vertical inserts in locating the foundation ditch lateral wall soil body structure in the enclosure mainboard 1 outside, be provided with the cavity in the fixed tubular pile 8, be provided with infiltration hole 9 on the lateral wall at fixed tubular pile 8 middle part, the lower part of fixed tubular pile 8 is provided with the screw hole, the screw hole communicates in the cavity of fixed tubular pile 8, the one end of drain pipe 10 is passed through the screw hole and is connected with fixed tubular pile 8, the other end outer wall of drain pipe 10 is provided with the screw thread, the one end that drain pipe 10 set up the screw thread runs through enclosure mainboard 1 and is fixed in the foundation ditch through fixation nut 11.

The water seepage holes 9 on the fixed pipe piles 8 can effectively collect the accumulated water around the fixed pipe piles and drain the accumulated water through the drain pipes 10, one end of each drain pipe 10 is in threaded connection with the fixed pipe piles 8, and the other end of each drain pipe 10 is fixed on the inner side of the enclosure main board 1 through the corresponding fixing nut 11, so that a supporting effect can be provided for the enclosure main board 1.

In this embodiment, the fixing pipe piles 8 and the drain pipe 10 are made of stainless steel, so that they have relatively high strength, and thus the support effect on the enclosure main board 1 is achieved.

In this embodiment, the supporting upstand 2 is a square column, and the lower portion of the supporting upstand 2 is horizontally provided with a supporting table 12.

The support upstand 2 is set to square post, and the V-arrangement support piece 4 of being convenient for forms steady support on the support upstand 2 surface, and the supporting bench 12 of support upstand 2 lower part then can guarantee the stability of support column.

In this embodiment, still include auxiliary support mechanism, auxiliary support mechanism includes auxiliary support seat 13, and auxiliary support seat 13 passes through bolt 16 to be fixed on horizontal support plate 7, and auxiliary support seat 13 and horizontal support plate 7 are run through to the bottom of bolt 16 set up in the bottom soil body of foundation ditch, and auxiliary support rod 14 has been articulated on the top of auxiliary support seat 13, and auxiliary support rod 14's the other end articulates there is connecting plate 15, and connecting plate 15 passes through the fix with screw on supporting upstand 2.

The setting of auxiliary stay mechanism can further fixed stay upstand 2, improves the stability of supporting upstand 2, and the supporting angle of auxiliary stay bar 14 can be adjusted to satisfy actual demand.

The supporting method adopting the foundation pit supporting structure comprises the following steps of:

the two enclosure main boards 1 are respectively and tightly fixed on the side walls of the two ends of the foundation pit, the fixed insertion piles 6 at the bottom end are inserted into the soil body at the bottom of the foundation pit, and the supporting upstand 2 is fixed between the two enclosure main boards 1;

the supporting cross rod 3 passes through the through hole on the supporting vertical post 2, the V-shaped supporting pieces 4 and the adjusting nuts 5 are arranged on the supporting cross rod 3, the V-shaped supporting pieces 4 at the two ends of the supporting cross rod 3 firstly generate supporting action by screwing the adjusting nuts 5, and then the adjusting nuts 5 at the two sides of the supporting vertical post 2 are screwed at the same time, so that the V-shaped supporting pieces 4 at the two sides of the supporting vertical post 2 generate supporting action on the supporting vertical post 2;

an auxiliary supporting seat 13 of the auxiliary supporting mechanism is fixed on the horizontal supporting plate 7 through bolts 16, the angle of the auxiliary supporting rod 14 is adjusted, and a connecting plate 15 at the other end of the auxiliary supporting rod 14 is fixed on the supporting vertical column 2 through bolts;

the pipe pile hole for setting the fixed pipe pile 8 is vertically drilled on the soil body outside the enclosure main board 1 by using a drilling machine, the water pipe hole for setting the drain pipe 10 is transversely drilled on the enclosure main board 1 and the soil body of the enclosure main board 1, the fixed pipe pile 8 is inserted into the pipe pile hole, then one end of the drain pipe 10 is inserted into the water pipe hole and is connected with the threaded hole of the fixed pipe pile 8, and threads are arranged on the outer wall of the drain pipe 10 and are clamped with the enclosure main board 1 by the fixing nut 11.

The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a foundation ditch supporting structure, its characterized in that includes enclosure mainboard, supporting mechanism and drainage mechanism, the enclosure mainboard is two, and sets up in the inboard of two opposite lateral walls in the foundation ditch respectively for the soil body structure to the foundation ditch lateral wall is enclosed, drainage mechanism sets up in the soil body structure of foundation ditch lateral wall, is used for discharging ponding in the soil body structure, supporting mechanism sets up between the enclosure mainboard for provide the support for the enclosure mainboard, supporting mechanism includes support upstand and support horizontal pole, the support upstand bottom is buried in the bottom soil of foundation ditch, be provided with a plurality of through-hole on the support upstand, the support horizontal pole passes through the setting of through-hole perpendicular to the enclosure mainboard, both ends and the support horizontal pole that lie in the through-hole both sides on the support horizontal pole all are provided with V-shaped support piece and adjusting nut, V-shaped support piece slidable mounting is on the support horizontal pole, adjusting nut threaded connection is in the non-support end one side of V-shaped support piece on the support horizontal pole for adjusting the position of V-shaped support piece.

2. The foundation pit supporting structure according to claim 1, wherein a horizontal supporting plate is arranged on one side of the enclosing main plate, which is away from the side wall of the foundation pit, and a plurality of fixing insertion piles are arranged at the bottom end fixing of the enclosing main plate.

3. The foundation pit supporting structure according to claim 1, wherein the drainage mechanism comprises a fixed pipe pile and a drainage pipe, the fixed pipe pile is vertically inserted into a soil body structure of a side wall of the foundation pit at the outer side of the enclosure main board, a cavity is formed in the fixed pipe pile, a water seepage hole is formed in the side wall of the middle part of the fixed pipe pile, a threaded hole is formed in the lower part of the fixed pipe pile, the threaded hole is communicated with the cavity in the fixed pipe pile, one end of the drainage pipe is connected with the fixed pipe pile through the threaded hole, threads are formed in the outer wall of the other end of the drainage pipe, and one end of the drainage pipe provided with the threads penetrates through the enclosure main board and is fixed in the foundation pit through a fixing nut.

4. A foundation pit supporting structure according to claim 3, wherein the fixed pipe piles and the drain pipe are made of stainless steel.

5. The foundation pit supporting structure according to claim 1, wherein the supporting upstand is a square post, and a supporting table is horizontally provided at a lower portion of the supporting upstand.

6. The foundation pit supporting structure according to claim 1, further comprising an auxiliary supporting mechanism, wherein the auxiliary supporting mechanism comprises an auxiliary supporting seat, the auxiliary supporting seat is fixed on the horizontal supporting plate through bolts, the bottom ends of the bolts penetrate through the auxiliary supporting seat and the horizontal supporting plate to be arranged in the bottom soil body of the foundation pit, the top ends of the auxiliary supporting seats are hinged with auxiliary supporting rods, the other ends of the auxiliary supporting rods are hinged with connecting plates, and the connecting plates are fixed on supporting upstands through screws.

7. A method of foundation pit support, characterized in that a foundation pit support structure according to any one of claims 1-6 is used, comprising the steps of:

the two enclosure main boards are respectively and tightly fixed on the side walls of the two ends of the foundation pit, the fixed insertion piles at the bottom end are inserted into the soil body at the bottom of the foundation pit, and the supporting vertical columns are fixed between the two enclosure main boards;

the supporting cross rod is arranged by penetrating through holes in the supporting vertical posts, the V-shaped supporting pieces and the adjusting nuts are arranged on the supporting cross rod, the V-shaped supporting pieces at two ends of the supporting cross rod firstly generate supporting action by screwing the adjusting nuts, and then the adjusting nuts at two sides of the supporting vertical posts are screwed, so that the V-shaped supporting pieces at two sides of the supporting vertical posts generate supporting action on the supporting vertical posts;

an auxiliary supporting seat of the auxiliary supporting mechanism is fixed on the horizontal supporting plate through bolts, the angle of the auxiliary supporting rod is adjusted, and a connecting plate at the other end of the auxiliary supporting rod is fixed on the supporting vertical column through bolts;

and vertically drilling a pipe pile hole for setting a fixed pipe pile on the soil body outside the enclosure main board by using a drilling machine, transversely drilling a water pipe hole for setting a drain pipe on the enclosure main board and the soil body of the enclosure main board, inserting the fixed pipe pile into the pipe pile hole, then inserting one end of the drain pipe into the water pipe hole and connecting the end of the drain pipe with a threaded hole of the fixed pipe pile, and arranging threads on the outer wall of the drain pipe to be clamped with the enclosure main board through a fixing nut.

Images