CN217896592U - Foundation pit support horizontal displacement monitoring structure - Google Patents

Abstract

The utility model relates to a building engineering construction safety monitoring technical field especially relates to a foundation ditch enclosure horizontal displacement monitoring structure, include the foundation ditch and encircle the enclosure that the foundation ditch set up, the enclosure includes the structure wall and sets up structural pile in the middle of the structure wall, the inside still is provided with of foundation ditch is used for supporting the bearing structure of structural pile and structure wall, the inside of structural pile is provided with the survey pipe to one side, the survey pipe to one side is connected through the steel reinforcement cage ligature in bundle silk and the structural pile, places the survey appearance to one side that can follow the survey pipe to one side and reciprocate in the survey pipe to one side. The utility model discloses can know whether normal foundation ditch enclosure state through survey pipe and survey appearance to one side, provide the powerful foundation for the safety of engineering.

Description

Foundation pit support horizontal displacement monitoring structure

Technical Field

The utility model relates to a building engineering construction safety monitoring technical field especially relates to a foundation ditch enclosure horizontal displacement monitoring structure.

Background

The foundation pit enclosure mainly bears water pressure and soil pressure generated by a soil body to the foundation pit enclosure in the excavation process of the foundation pit and the building construction process, and transmits the pressure to the supporting structure, so that the foundation pit is stabilized by the temporary retaining wall structure. Therefore, a structure capable of monitoring the horizontal displacement of the foundation pit enclosure is needed, whether the state of the foundation pit enclosure is normal under the action of factors such as internal and external loads and foundation deformation can be known in time through the structure, and a basis is provided for safe operation of engineering.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in providing a foundation ditch enclosure horizontal displacement monitoring structure can monitor the produced horizontal displacement of enclosure.

The utility model provides a foundation ditch enclosure horizontal displacement monitoring structures, includes the foundation ditch and encircles the enclosure that the foundation ditch set up, the enclosure includes the structure wall and sets up constructional pile in the middle of the structure wall, the inside still is provided with of foundation ditch is used for supporting the bearing structure of constructional pile and structure wall, the inside of constructional pile is provided with the survey pipe to one side, the survey pipe to one side is connected through the steel reinforcement cage ligature in wire and the constructional pile to one side, places the survey appearance to one side that can follow the survey pipe to one side and reciprocate in the survey pipe to one side.

As the utility model discloses well foundation ditch enclosure horizontal displacement monitoring structures is preferred, the bottom of survey pipe to one side is closed structure, and the bottom of survey pipe to one side is kept level or is less than the bottom of steel reinforcement cage with the bottom of steel reinforcement cage, and ground 5cm-8cm is stretched out at the top.

As the utility model discloses well foundation ditch enclosure horizontal displacement monitoring structures is preferred, survey the pipe to one side and be connected the completion back with the steel reinforcement cage, survey intraductal two measuring grooves to one side and be on a parallel with the displacement direction of enclosure.

As a preferred of the utility model discloses well foundation ditch enclosure horizontal displacement monitoring structure, the ligature interval of pricking the silk is not more than 1.5m.

As the utility model discloses well foundation ditch enclosure horizontal displacement monitoring structures's an preferred, the upper portion of survey appearance that inclines passes through the cable and is connected with receiving arrangement, be provided with the distance scale on the surface of cable.

As the utility model discloses well foundation ditch enclosure horizontal displacement monitoring structures is preferred, the entrance of survey pipe to one side is provided with the shutoff lid.

The utility model discloses technical scheme has following advantage: the utility model discloses a pre-buried pipe of surveying to one side in the enclosure, whether the survey appearance reciprocates monitoring enclosure and has produced horizontal displacement in the pipe of surveying to one side, can in time know whether foundation ditch enclosure state is normal, provide the powerful foundation for the safety of engineering.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the utility model discloses well inclinometer and cable junction sketch map.

Fig. 3 is the utility model discloses well steel reinforcement cage and survey union coupling sketch map to one side.

Description of reference numerals:

1. a foundation pit; 2. enclosing; 3. a support structure; 4. an oblique measuring pipe; 5. an inclinometer; 6. an electrical cable.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

This embodiment provides a foundation ditch enclosure horizontal displacement monitoring structures, as shown in fig. 1 and fig. 3, include foundation ditch 1 and encircle enclosure 2 that foundation ditch 1 set up, enclosure 2 includes the structure wall and sets up structural pile in the middle of the structure wall, 1 inside still is provided with of foundation ditch is used for supporting structural pile and structural wall's bearing structure 3, structural pile's inside is provided with survey pipe 4 to one side, survey pipe 4 to one side is connected through the steel reinforcement cage ligature in wire and the structural pile, places the survey appearance 5 to one side that can follow survey pipe 4 to one side in surveying pipe 4 to one side.

By adopting the structure, whether the enclosure 2 generates horizontal displacement can be monitored through the inclinometer 5 which moves up and down in the inclinometry pipe 4, whether the state of the enclosure 2 is normal can be known in time, and a powerful basis is provided for the safety of engineering.

In this embodiment, the bottom of the oblique measuring pipe 4 is a closed structure, the bottom of the oblique measuring pipe 4 is level with or lower than the bottom of the steel reinforcement cage, and the top of the oblique measuring pipe 4 extends out of the ground by 5cm-8cm.

By adopting the structure, the bottom of the oblique measuring pipe 4 is sealed, and impurities such as water and soil in a soil layer are prevented from entering the oblique measuring pipe 4, so that adverse effects on monitoring operation are avoided.

In this embodiment, after the oblique measuring pipe 4 is connected with the reinforcement cage, two measuring grooves in the oblique measuring pipe 4 are parallel to the displacement direction of the enclosure 2.

By adopting the structure, when the enclosure 2 generates horizontal displacement, the feedback can be timely obtained through the inclinometer 5 during monitoring operation, and the displacement generated by the enclosure 2 can not be omitted.

In this embodiment, in order to make firm in connection between survey pipe 4 and the steel reinforcement cage to one side, the ligature interval of two adjacent ligature silk should be not more than 1.5m, can adopt two ligature silk to carry out the ligature.

In the present embodiment, as shown in fig. 2, the upper part of the inclinometer 5 is connected with the receiving device through a cable 6, and the outer surface of the cable 6 is provided with distance scales.

Adopt above-mentioned structure, the distance scale of printing on the surface of cable 6 can play the indicative function when 4 jam of inclinometer, can also carry out data acquisition through observing the scale fixed point at the in-process that uses inclinometer 5 to monitor.

In this embodiment, a plugging cover is arranged at the inlet of the inclinometer pipe 4.

By adopting the structure, the inclination measuring pipe 4 is protected, concrete can be prevented from entering the inclination measuring pipe 4 in the pouring process of the enclosure 2, and blockage caused by sundries entering the inclination measuring pipe 4 can be prevented in the using process, so that the monitoring work cannot be normally unfolded.

In this embodiment, the inclinometer pipe 4 is formed by connecting a plurality of sections, the upper pipe and the lower pipe are well connected, no seam exists, and the joint is firmly fixed and sealed. The smoothness and the straightness of the inclined measuring pipe 4 are kept in the processes of binding the inclined measuring pipe 4 and pouring concrete of the enclosure 2.

Example 2

This example is the monitoring process in example 1:

s1: before monitoring, firstly, the analog probe is placed in the inclined measuring tube 4, and whether the measuring groove can be used or not and whether the phenomenon of probe clamping exists or not are checked;

s2: starting an inclination measuring instrument 5, inserting a probe guide wheel into a measuring groove in an inclination measuring pipe 4, loosening a cable 6, slowly lowering the inclination measuring instrument 5 to the bottom of the inclination measuring pipe 4 and stabilizing for eight minutes, then lifting the inclination measuring instrument 5 from bottom to top through the cable 6 from the bottom of the inclination measuring pipe 4, reading data once every 0.5m through the scale on the cable 6, and recording the depth and reading of a measuring point;

s3: and after the measurement is finished, rotating the probe by 180 degrees and inserting the probe into the same measuring groove, repeating the step S2, wherein the absolute values of the readings at the same depth in two times are the same, and timely performing compensation measurement when the readings are abnormal.

Example 3

The difference between the embodiment and the embodiment 1 is that the inclined measuring pipe 4 is not embedded into the enclosure 2, but is embedded into the enclosure 2 after the enclosure 2 is built, and the specific process is as follows: firstly, drilling a hole on an enclosure 2 according to a monitoring point position, wherein the aperture of the drilled hole is slightly larger than the outer diameter of an oblique measuring pipe 4, the outer diameter of the oblique measuring pipe 4 adopted in the embodiment is phi 76, the inner diameter of the drilled hole is phi 110, the hole depth is required to penetrate through the bottom surface of the enclosure for 3-8 m, the hard substrate is small, the soft substrate is large, and then the oblique measuring pipe 4 connected on the ground is placed into the drilled hole.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims (6)

1. A foundation pit enclosure horizontal displacement monitoring structure is characterized in that: including foundation ditch (1) and encircleing enclosure (2) that foundation ditch (1) set up, enclosure (2) are in including structure wall and setting structure stake in the middle of the structure wall, foundation ditch (1) inside still is provided with and is used for supporting bearing structure (3) of structure stake and structure wall, the inside of structure stake is provided with survey pipe (4) to one side, survey pipe (4) to one side is through pricking the steel reinforcement cage ligature connection in silk and the structure stake, places in surveying pipe (4) to one side and has followed survey appearance (5) to one side that pipe (4) reciprocated to one side.

2. The foundation pit enclosure horizontal displacement monitoring structure of claim 1, wherein the bottom of the inclinometric tube (4) is a closed structure, the bottom of the inclinometric tube (4) is level with or lower than the bottom of the reinforcement cage, and the top of the inclinometric tube extends 5cm-8cm above the ground.

3. The structure for monitoring the horizontal displacement of the foundation pit enclosure according to claim 2, wherein after the inclined pipe (4) is connected with the reinforcement cage, two measuring grooves in the inclined pipe (4) are parallel to the displacement direction of the enclosure (2).

4. The foundation pit support horizontal displacement monitoring structure of claim 1, wherein the binding distance of the binding wires is not more than 1.5m.

5. The foundation pit enclosure horizontal displacement monitoring structure of claim 1, wherein the upper part of the inclinometer (5) is connected with the receiving device through a cable (6), and distance scales are arranged on the outer surface of the cable (6).

6. The foundation pit enclosure horizontal displacement monitoring structure of claim 1, wherein a blocking cover is arranged at the entrance of the inclinometric pipe (4).

Images