CN218540761U - Assembled foundation auxiliary supporting device for drainage pipeline of soft soil foundation of road - Google Patents

Abstract

The utility model discloses an assembled foundation auxiliary supporting device of a drainage pipeline of a road soft soil foundation, which comprises a supporting mechanism, steel sheet piles, a first stone layer and side piles, wherein the steel sheet piles are arranged at two sides of the supporting mechanism, and the first stone layer is arranged on the first stone layer; the side piles are arranged on the supporting mechanism and penetrate through the first stone layer; the drainage pipeline is located on the supporting mechanism and located in the first stone layer, and the side piles are located on two sides of the drainage pipeline. The utility model discloses can solve the foundation ditch bottom and appear the uplift or gush water, the problem of foundation ditch side slope unstability.

Description

Assembled foundation auxiliary supporting device for drainage pipeline of road soft soil foundation

Technical Field

The utility model relates to a soft soil foundation drainage pipe assembled basis auxiliary stay device of road belongs to drainage construction technical field.

Background

The field soil in the lower reaches of the Yangtze river has the characteristics of high natural water content, large natural pore ratio, high compressibility, small consolidation coefficient, long consolidation time, high disturbance, complex layered distribution of soil layers, large physical and mechanical property difference among the soil layers, small soil base bearing capacity, poor mechanical property indexes and the like, a series of problems of instability of a foundation trench slope, untimely support, uneven deformation of a surrounding structure, large deformation and the like easily occur when large-diameter drainage pipeline construction is carried out in the area, particularly, the instability of the foundation trench slope often occurs in a pipe section with overhigh water content and overhigh compressibility in the field, the support cannot be carried out in time, a steel plate pile is combined with the groove, even a bulge or water burst occurs at the bottom of the foundation trench, the operation risk is great, and great difficulty is brought to the quality control of pipeline installation.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to solve the problem that uplift or gush water, foundation trench slope unstability appear in the foundation trench bottom, the utility model provides a soft soil foundation drainage pipe assembled basis auxiliary stay device of road.

The technical scheme is as follows: in order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a soft soil foundation drainage pipe assembled basis auxiliary stay device of road, includes supporting mechanism, steel sheet pile, first stone layer, limit stake, wherein:

the steel sheet piles are arranged on two sides of the supporting mechanism, and the first stone layer is arranged on the first stone layer; the side piles are arranged on the supporting mechanism and penetrate through the first stone layer; the drainage pipeline is located on the supporting mechanism and located in the first stone layer, and the side piles are located on two sides of the drainage pipeline.

Preferably: the supporting mechanism comprises a reinforced concrete layer, a bottom plate, a second gravel layer and a bamboo basketry layer which are sequentially arranged from top to bottom.

Preferably, the following components: the bottom plate is a prefabricated bottom plate.

Preferably: the top of the steel sheet pile is provided with a waist beam, and two opposite waist beams on two sides are fixedly installed through steel support beams.

Preferably, the following components: the steel sheet piles are provided with beam trailers, and the waist beams are mounted on the beam trailers.

Preferably, the following components: the steel sheet pile is I-shaped steel, and the waist rail is double-spliced I-shaped steel.

Compared with the prior art, the utility model, following beneficial effect has:

1. through the supporting mechanism, reinforcing bar net piece, bottom plate, rubble and the bamboo basketry that set up be convenient for foundation ditch lower part and horizontal support, it makes deep foundation ditch lower part support and foundation ditch horizontal support to pour cement between reinforced concrete piece and the bottom plate, and the contrast other bearing structure form reinforced concrete structure's former material price is cheap relatively, greatly reduced construction cost.

2. The horizontal position is supported by the steel sheet piles, the waist beams, the beam drags and the steel support, the excavator can be hoisted and placed flexibly, the excavator can be placed along with the excavator, the multiple excavators can be excavated simultaneously in a segmented mode, the multiple excavators can work simultaneously, the excavating speed is high, and the construction period of an earth mover is shortened. The distance and the number of the prefabricated bottom plates can be adjusted according to the soil texture of the stratum, and the deformation of the foundation pit retaining structure is controlled. A large unsupported working surface can be formed in the foundation pit, the operations of drainage of the foundation pit, pipeline installation, water stop construction, pipeline pipe wrapping, inspection well construction and the like are easy, and the construction period of the pipeline is effectively shortened.

3. The prefabricated reinforced concrete pipeline bottom plate is used as the support for the lower part of the deep foundation pit, the prefabricated bottom plate can be used as a pipeline foundation and can also effectively replace a steel support at the lower part of the foundation pit, the time for installing a second support is saved, the enclosure structure can be effectively supported in time, and the operation safety of subsequent pipeline construction of the engineering is ensured. In addition, in order to ensure the safety of underground pipelines, roads and the like around the foundation pit, the drainage pipeline foundation pit excavation strictly follows the principles of longitudinal segmentation, vertical layering, excavation along with supporting, firm supporting and jacking and reinforced monitoring, and the pipeline construction quality is ensured and the aim of construction period is fulfilled by 'short grooving, quick backfilling', improvement of the pipeline construction mechanization degree, reinforced drainage and precipitation capacity, reinforcement of monitoring the surrounding environment and control of the deformation of a supporting structure, and application of a new material XYPEX Saibuss.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic structural view of the supporting mechanism of the present invention;

fig. 3 is a schematic structural view of the first water pipeline of the present invention;

FIG. 4 is a schematic view of the steel support structure of the present invention.

In the figure: 1. a support mechanism; 101. reinforcing mesh sheets; 102. a base plate; 103. a second crushed stone layer; 104. a bamboo basketry; 2. a first water conduit; 3. steel sheet piles; 4. a wale; 5. dragging a beam; 6. a steel bracket; 7. a first stone layer; 8. and (6) side piling.

Description of the preferred embodiment

The invention will be further elucidated with reference to the drawings and specific embodiments, it being understood that these examples are intended to illustrate the invention only and are not intended to limit the scope of the invention, and that modifications to the various equivalent forms of the invention, which may occur to those skilled in the art after reading the present invention, fall within the scope of the invention as defined in the claims appended hereto.

The utility model provides a soft soil foundation drainage pipe assembled basis auxiliary stay device of road, as shown in fig. 1-4, includes supporting mechanism 1, steel sheet pile 3, first stone layer 7, side pile 8, wherein:

the steel sheet piles 3 are arranged on two sides of the supporting mechanism 1, and the first stone layer 7 is arranged on the first stone layer 7; the side pile 8 is arranged on the supporting mechanism 1, and the side pile 8 penetrates through the first stone layer 7; the drainage pipeline is located on the supporting mechanism 1 and located in the first stone layer 7, and meanwhile the side piles 8 are located on two sides of the drainage pipeline. The top of the steel sheet pile 3 is provided with a wale 4, and two opposite wales 4 on two sides are fixedly installed through a steel support beam 6. The steel sheet piles 3 are provided with beam trailers 5, and the wale 4 is mounted on the beam trailers 5. The steel sheet piles 3 are made of I-shaped steel, and the waist beam 4 is made of double-spliced I-shaped steel.

The supporting mechanism 1 comprises a reinforced concrete layer, a bottom plate 102, a second gravel layer 103 and a bamboo basketry layer 104 which are arranged from top to bottom in sequence.

The arrangement of the base plates 102 is multiple, and the arrangement distance between the base plates 102 arranged at equal intervals of the plurality of base plates 102 is one meter, so that the deformation of the foundation pit retaining structure is controlled through the arrangement of the equal interval base plates 102, and the safety of surrounding buildings is ensured.

The reinforced concrete layer adopts pouring cement between reinforcing bar net piece 101 and the bottom plate 102 to form, and the first water pipeling 2 of top fixedly connected with of bottom plate 102, it is more firm to have set up that cement has been pour between reinforcing bar net piece 101 and the bottom plate 102, is convenient for prop up first water pipeling 2.

The first water pipeline 2 is made of impervious materials such as epoxy asphalt and polyurethane asphalt, the color of the first water pipeline 2 is set to be better light gray powdery permeable crystalline material XYPEX Seebris concentrate, and the first water pipeline 2 is made of the material to play a role in corrosion prevention.

One side of the bottom plate 102 is fixedly connected with a steel sheet pile 3, the outer wall of the steel sheet pile 3 is fixedly connected with a wale 4, and the steel sheet pile 3 is arranged to support the horizontal position conveniently.

The bottom of the wale 4 is fixedly connected with a wale support 5, one side of the wale 4 is fixedly connected with a steel support 6, and the wale 4 is supported by the arranged wale support 5.

The outer fixed surface of first water pipeling 2 is connected with stone 7, and the outer fixed surface of stone 7 is connected with side pile 8, is convenient for fasten side pile 8 through the stone 7 that sets up.

When the steel sheet pile foundation is used, the steel sheet pile 3 is driven into the soil by a pile driver, then the excavation is started to be carried out at the position of 0.5m below a first support, the excavation is immediately stopped, firstly, the I-shaped steel sheet pile 3 is pulled by an upper beam 5, after the excavation is carried out until the groove bottom is about 30cm higher than the designed elevation, the manual excavation is changed into the soil finding, a bamboo basketry layer 104 is laid after leveling, then crushed stone is filled on the bamboo basketry layer 104 to form a second crushed stone layer 103, then, a reinforced net piece 101 and a bottom plate 102 are poured by cement, the poured reinforced cement plate is placed on the second crushed stone layer 103, the reinforced cement plate is connected with concrete to the strength of more than 80% of the designed standard value, a first water pipeline 2 is installed, then side piles 8 are placed on the bottom plate 102, then, the first water pipeline 2 is backfilled with stones 7, finally, the support work is removed, the transverse support is removed firstly, and then the waist beam 4 is removed. When the support is dismantled, various connecting pieces must be dismantled completely, welding spots are removed completely, and a specially assigned person is sent to command the dismantling and cutting.

To sum up, this soft soil foundation major diameter drainage pipe support frame, through the supporting mechanism 1 that sets up, reinforced concrete layer, bottom plate 102, second metalling 103 and bamboo basketry layer 104 be convenient for foundation ditch lower part and horizontal support, it makes deep foundation ditch lower part support and foundation ditch horizontal support to pour cement between reinforced concrete net piece 101 and the bottom plate 102, and the raw materials price of comparing other bearing structure form reinforced concrete structures is cheap relatively, greatly reduced construction cost, solved the foundation ditch bottom and appeared the uplift or gushed water, the problem of foundation ditch side slope unstability. This soft soil foundation major diameter drainage pipe support frame, through the setting of the first water pipeling 2 that sets up to than epoxy asphalt and polyurethane asphalt prevention of seepage material, the colour of first water pipeling 2 sets up to the material setting of better light grey likepowder infiltration crystalline form material XYPEX Seebires concentrate improves the corrosion resistance of water pipe, the difficult problem that conventional cast-in-place basis can't carry out coating anticorrosive treatment to bottom contact soil body side has been solved, let the life of first water pipeling 2 more permanent, the practicality of product has been increased, this soft soil foundation major diameter drainage pipe support frame, through the steel sheet pile 3 that sets up, waist rail 4, the roof beam drags 5, steel support 6 comes to support horizontal position, in its light flexibility, the excavator can hoist and mount and lay, can be along with digging along with putting, the segmentation is excavated simultaneously, help many excavators to operate simultaneously, it is fast to dig, and then shorten the time limit for a project of earth side. The distance and the number of the prefabricated base plates 102 can be adjusted according to the soil conditions of the stratum, and the deformation of the foundation pit retaining structure can be controlled. A large unsupported working surface can be formed in the foundation pit, the operations such as drainage of the foundation pit, pipeline installation, water stop construction, pipeline pipe wrapping and inspection well construction are easy, and the construction period of the pipeline is effectively shortened.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (6)

1. The utility model provides a soft soil foundation drainage pipe assembled basis auxiliary stay device of road which characterized in that: including supporting mechanism (1), steel sheet pile (3), first stone layer (7), side pile (8), wherein:

the steel sheet piles (3) are arranged on two sides of the supporting mechanism (1), and the first stone layer (7) is arranged on the first stone layer (7); the side pile (8) is arranged on the supporting mechanism (1), and the side pile (8) penetrates through the first stone layer (7); the drainage pipeline is located on the supporting mechanism (1) and located in the first stone layer (7), and meanwhile the side piles (8) are located on two sides of the drainage pipeline.

2. The road soft soil foundation drainage pipe fabricated foundation auxiliary supporting device of claim 1, wherein: the supporting mechanism (1) comprises a reinforced concrete layer, a bottom plate (102), a second gravel layer (103) and a bamboo basketry layer (104) which are sequentially arranged from top to bottom.

3. The road soft soil foundation drainage pipe fabricated foundation auxiliary supporting device of claim 2, wherein: the bottom plate (102) adopts a prefabricated bottom plate.

4. The road soft soil foundation drainage pipe fabricated foundation auxiliary supporting device of claim 3, wherein: waist beams (4) are arranged at the tops of the steel sheet piles (3), and two opposite waist beams (4) on two sides are fixedly installed through steel support beams (6).

5. The road soft soil foundation drainage pipe fabricated foundation auxiliary supporting device of claim 4, wherein: the steel sheet piles (3) are provided with beam trailers (5), and the wale (4) is installed on the beam trailers (5).

6. The road soft soil foundation drainage pipe fabricated foundation auxiliary supporting device of claim 5, wherein: the steel sheet piles (3) are made of I-shaped steel, and the waist beam (4) is made of double-spliced I-shaped steel.

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