CN212228575U - Soil pressure altitude variation comparator under complicated topography - Google Patents

Abstract

The utility model discloses a soil pressure altitude variation contrast ware under complicated topography, comprising a base plate, a plurality of support columns of bottom plate upside fixed connection, the common fixed connection backup pad in a plurality of support columns upper end, two moulding boxes of fixed connection between backup pad and the bottom plate, two bracing pieces of backup pad upside fixed connection, support ring of fixed connection on every bracing piece, two support ring correspond two moulding box settings, every support ring inner circle fixed connection hyaline tube, the hyaline tube outside evenly sets up the scale mark, and the hyaline tube lower extreme stretches into moulding box and fixed connection rubber sacculus, and the rubber sacculus intussuseption is filled with liquid, the bottom plate upside is equipped with side direction pressure device. The utility model discloses a rubber sacculus is used for simulating in the structure buries soil, and the degree of depth that rubber sacculus was buried is different, and the institute is to the same lateral pressure and the pressure variation contrast that receives, through the height that the liquid level rises in the hyaline tube, alright audio-visual observation, swift and convenient.

Description

Soil pressure altitude variation comparator under complicated topography

Technical Field

The utility model relates to a geology check out test set technical field especially relates to a soil pressure altitude variation contrast ware under complicated topography.

Background

The pile foundation is composed of foundation piles and bearing platforms connected to the tops of the piles. If the pile body is completely buried in the soil and the bottom surface of the bearing platform is contacted with the soil body, the pile body is called a low bearing platform pile foundation; when the upper part of the pile body is exposed out of the ground and the bottom of the pile cap is positioned above the ground, the pile body is called a high pile cap pile foundation. Building pile foundations are typically low cap pile foundations. The method is widely applied to projects such as high-rise buildings, bridges, high-speed railways and the like.

Due to the defects of high cost, difficult acquisition of test data and the like of a field prototype test, the field test is difficult to develop in a large scale, and a numerical calculation method is not enough to comprehensively simulate the complexity of a rock-soil body, so that the indoor model test becomes a main technical means for researching the interaction mechanism between cement paste and soil around a pile at present. The existing indoor model generally adopts a reduced-scale model, and the influence of the lateral pressure of the same soil layer on the pile foundation cannot be contrastingly simulated under the same condition and at different depths.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the soil pressure altitude variation contrast ware under the complicated topography that proposes to solve the problem that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a soil pressure altitude variation contrast ware under complicated topography, includes the bottom plate, a plurality of support columns of bottom plate upside fixed connection, the common fixed connection backup pad in a plurality of support column upper ends, two mould casees of fixed connection between backup pad and the bottom plate, the packing sand and soil in every mould case, the backup pad upside is equipped with the through-hole, the through-hole is adjusted the mould case setting well, two bracing pieces of backup pad upside fixed connection, a support ring of fixed connection on every bracing piece, two mould case settings are corresponded to two support ring, every support ring inner circle fixed connection hyaline tube, the hyaline tube outside evenly sets up the scale mark, and the hyaline tube lower extreme stretches into mould incasement and fixed connection rubber sacculus, and the rubber sacculus intussuseption is filled with liquid, hyaline tube and rubber sacculus intercommunication.

Preferably, the lateral pressurizing device comprises a supporting table, the supporting table is fixedly connected to the upper side of the bottom plate, a sliding groove is formed in the upper side of the supporting table, two sliding blocks are symmetrically and slidably connected in the sliding groove, one side, close to the mold box, of each sliding block is fixedly connected with a supporting rod, the end of each supporting rod is fixedly connected with a push plate, and the push plates correspond to the mold boxes.

Preferably, the upper side of the supporting plate is fixedly connected with an electric push rod, two sides of the end head of a telescopic rod of the electric push rod are respectively hinged with a connecting rod, and the other end of each connecting rod is hinged with a sliding block.

Preferably, the transparent tube is a tempered glass tube.

Preferably, the inner ring of the support ring is fixedly connected with three rubber bumps in an annular array by taking the axis of the inner ring as a reference.

Preferably, the mould box comprises an upper supporting ring and a lower supporting ring, and a rubber membrane cylinder is fixedly connected between the upper supporting ring and the lower supporting ring.

Preferably, one side that the backup pad is relative with the bottom plate is equipped with the recess respectively, it corresponds the setting with the recess to go up support ring and under bracing ring, the recess bottom is equipped with the round hole, and the round hole is the same with the coaxial setting of hole and the diameter of under bracing ring, the downthehole fixed connection step post of round hole, step post upside fixed connection stand, fixed connection pressure sensor on the stand.

The utility model has the advantages that: the utility model provides a soil pressure highly changes comparator under complicated topography, adjust the hyaline tube to corresponding height in the support ring, make two rubber sacculus be in the different degree of depth in the rubber membrane section of thick bamboo, pour into corresponding sand and soil and jolt in a rubber membrane section of thick bamboo, electric putter promotes downwards, two sliders slide and pass through push pedal extrusion die box in step mutually under the effect of connecting rod, sand and soil to the die box provides the same lateral pressure, the rubber sacculus is used for simulating in the structure buries soil, the degree of depth that the rubber sacculus was buried is different, the institute is to the same lateral pressure and the pressure change contrast that receives, height that rises in the hyaline tube through the liquid level, alright audio-visual observation, and is swift and convenient.

Drawings

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

FIG. 2 is a schematic structural view of a middle mold box of the present invention;

fig. 3 is a partially enlarged view of fig. 1 at E.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in FIGS. 1-3, the utility model provides a soil pressure height variation comparator under complex topography, comprising a bottom plate 1, a plurality of support columns are fixedly connected on the upper side of the bottom plate 1, a support plate 2 is fixedly connected on the upper ends of the plurality of support columns jointly, two mold boxes 3 are fixedly connected between the support plate 2 and the bottom plate 1, each mold box 3 comprises an upper support ring 31 and a lower support ring 32, a rubber membrane cylinder 33 is fixedly connected between the upper support ring 31 and the lower support ring 32, each mold box 3 is filled with sandy soil, the upper side of the support plate 2 is provided with through holes, the through holes are aligned with the mold boxes 3, two support rods 41 are fixedly connected on the upper side of the support plate 2, a support ring 42 is fixedly connected on each support rod 41, the two support rings 42 are arranged corresponding to the two mold boxes 3, each support ring 42 is fixedly connected with a transparent tube 43, the inner ring of the support, the three rubber bumps 421 form extrusion fixation to the transparent tube 43 through elastic deformation, so as to facilitate the adjustment of the up-and-down position of the transparent tube 43 in the support ring 42, the outside of the transparent tube 43 is uniformly provided with scale lines 431, the lower end of the transparent tube 43 extends into the mold box 3 and is fixedly connected with the rubber balloon 44, the rubber balloon 44 is filled with liquid, the transparent tube 43 is communicated with the rubber balloon 44, the transparent tube 43 is a toughened glass tube, the upper side of the bottom plate 1 is provided with a lateral pressurizing device 5, the lateral pressurizing device 5 is arranged corresponding to the mold box 3, the lateral pressurizing device 5 comprises a support table 51, the support table 51 is fixedly connected to the upper side of the bottom plate 1, the upper side of the support table 51 is provided with a chute 52, the chute 52 is internally and symmetrically and slidably connected with two sliders 53, one side of each slider 53 close to the mold box 3 is respectively and fixedly connected with a support rod 54, the end, two sides of the end of the telescopic rod of the electric push rod 56 are respectively hinged with a connecting rod 57, the other end of the connecting rod 57 is hinged with the sliding blocks 53, the electric push rod 56 pushes downwards, the two sliding blocks 53 slide away from each other under the action of the connecting rod 57 and synchronously extrude the mold box 3 through the push plate 55, and the same lateral pressure is provided for the sand in the mold box 3. The rubber balloon 44 is used for simulating that a structure is embedded in the soil, and the rubber balloon 44 is embedded in different depths, so that the pressure changes received by the same lateral pressure are compared, and the liquid level can be visually observed, quickly and conveniently through the rising height of the liquid level in the transparent tube 43.

One side that backup pad 2 is relative with bottom plate 1 is equipped with recess 11 respectively, go up support ring 31 and lower support ring 32 and recess 11 and correspond the setting, recess 11 bottom is equipped with round hole 12, round hole 12 is the same with the coaxial setting of hole and the diameter of lower support ring 32, fixed connection step post 13 in the round hole 12, 13 upside fixed connection stands 14 of step post, fixed connection pressure sensor 15 on the stand 14, pressure sensor 15 is prior art for the side that the record received pushes away pressure. The step column 13 plugs the circular hole 12 and the lower support ring 32, so that sand and soil are prevented from falling off, and the sand and soil can be conveniently discharged by removing the step column 13.

When the device is used, the transparent tube 43 is adjusted to the corresponding height in the support ring 42, so that the two rubber balloons 44 are positioned at different depths in the rubber film cylinder 33, corresponding sand is filled into the rubber film cylinder 33 and compacted, the electric push rod 56 pushes downwards, the two slide blocks 53 slide away from each other under the action of the connecting rod 57 and synchronously extrude the mold box 3 through the push plate 55, and the same lateral pressure is provided for the sand in the mold box 3. The rubber balloon 44 is used for simulating that a structure is embedded in the soil, and the rubber balloon 44 is embedded in different depths, so that the pressure changes received by the same lateral pressure are compared, and the liquid level can be visually observed, quickly and conveniently through the rising height of the liquid level in the transparent tube 43.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a soil pressure altitude variation comparator under complicated topography, includes bottom plate (1), a plurality of support columns of bottom plate (1) upside fixed connection, the common fixed connection backup pad (2) in a plurality of support column upper ends, two mould casees (3) of fixed connection between backup pad (2) and bottom plate (1), the interior silt of packing of every mould case (3), its characterized in that: backup pad (2) upside is equipped with the through-hole, the through-hole is adjusted mould case (3) setting well, two bracing pieces (41) of backup pad (2) upside fixed connection, support ring (42) of fixed connection on every bracing piece (41), two support rings (42) correspond two mould cases (3) and set up, every support ring (42) inner circle fixed connection hyaline tube (43), and hyaline tube (43) outside evenly sets up scale mark (431), and hyaline tube (43) lower extreme stretches into in mould case (3) and fixed connection rubber sacculus (44), and the intussuseption of rubber sacculus (44) is filled with liquid, hyaline tube (43) and rubber sacculus (44) intercommunication, bottom plate (1) upside is equipped with side direction pressure device (5), side direction pressure device (5) correspond mould case (3) and set up.

2. The soil pressure height change comparator under the complex terrain according to claim 1, characterized in that: lateral pressurizing device (5) are including brace table (51), brace table (51) fixed connection in bottom plate (1) upside, brace table (51) upside is equipped with spout (52), two sliders (53) of spout (52) internal symmetry sliding connection, one side that every slider (53) are close to mould case (3) is branch (54) of fixed connection respectively, the end fixed connection push pedal (55) of branch (54), and push pedal (55) correspond mould case (3) and set up.

3. The soil pressure height change comparator under the complex terrain according to claim 2, characterized in that: the upper side of the supporting plate (2) is fixedly connected with an electric push rod (56), two sides of the end head of a telescopic rod of the electric push rod (56) are respectively hinged with a connecting rod (57), and the other end of the connecting rod (57) is hinged with the sliding block (53).

4. The soil pressure height change comparator under the complex terrain according to claim 1, characterized in that: the transparent tube (43) is a toughened glass tube.

5. The soil pressure height change comparator under the complex terrain according to claim 1, characterized in that: the inner ring of the support ring (42) is fixedly connected with three rubber bumps (421) in an annular array by taking the axis of the support ring as a reference.

6. The soil pressure height change comparator under the complex terrain according to claim 1, characterized in that: the mould box (3) comprises an upper supporting ring (31) and a lower supporting ring (32), and a rubber film cylinder (33) is fixedly connected between the upper supporting ring (31) and the lower supporting ring (32).

7. The soil pressure height change comparator under the complex terrain according to claim 6, characterized in that: backup pad (2) are equipped with recess (11) respectively with bottom plate (1) relative one side, go up support ring (31) and under bracing ring (32) and correspond the setting with recess (11), recess (11) bottom is equipped with round hole (12), and round hole (12) are the same with the coaxial setting of hole and the diameter of under bracing ring (32), round hole (12) internal fixation connects step post (13), step post (13) upside fixed connection stand (14), fixed connection pressure sensor (15) are gone up in stand (14).

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