CN113529682A - Soft soil layer measurement control point structure and construction method - Google Patents
Soft soil layer measurement control point structure and construction method Download PDFInfo
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- CN113529682A CN113529682A CN202110705114.6A CN202110705114A CN113529682A CN 113529682 A CN113529682 A CN 113529682A CN 202110705114 A CN202110705114 A CN 202110705114A CN 113529682 A CN113529682 A CN 113529682A
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- control point
- measurement control
- steel pipe
- soil layer
- concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The utility model provides a weak soil layer measurement control point structure, includes steel pipe, two reinforcing bars, concrete pedestal, its characterized in that: the steel pipe, the diameter is 48mm, two reinforcing bar materials, size are the same, and every reinforcing bar diameter is 20mm, the concrete pedestal includes concrete pedestal, lower concrete pedestal, wherein: the steel pipe is the center of a measurement control point, and the distance between the center of the measurement control point and the outer edge of the structure is 150 mm; and pouring concrete into the steel pipe, driving 40x40x400mm battens before initial setting, and driving a nail at the top of the battens after final setting of the concrete to serve as a measuring control point mark. The soft soil layer measurement control point structure and the construction method have the advantages that the measurement control point structure is simple, the manufacture is convenient, the structural stability and the applicability of the measurement control point are improved, the defects of field construction and unconscious damage of workers in the later period are overcome, the manufacture cost of waste steel, steel bars and templates is reduced, and the economic effect is obvious.
Description
Technical Field
The invention belongs to the technical field of engineering measurement, and particularly relates to a soft soil layer measurement control point structure and a construction method.
Background
The construction measurement is a guide for the construction of the building construction, is also an important content of the preparation work of the site construction, is an essential important part in the construction, and simultaneously becomes an effective means for the guidance of the construction quality control and management technology in the whole construction process.
The construction measurement runs through the whole process of a building construction stage, and axis positioning and elevation measurement are needed from site leveling, building position measurement and setting, foundation construction, building structure installation and the like; in order to check the displacement of foundation settlement, deformation observation needs to be carried out during the construction process and a certain use period. Therefore, firmness and anti-interference performance of the structure of the measurement control point in the soft soil layer are one of important factors influencing construction measurement, and the increase of the connection between the main body of the measurement control point and the soft soil layer is the most effective measure for improving the overall stability and the anti-interference performance of the structure of the measurement control point.
Therefore, how to set a soft soil layer measurement control point structure becomes a problem to be solved urgently in engineering.
Disclosure of Invention
The invention aims to provide a safe and reliable soft soil layer measurement control point structure and a construction method.
In order to achieve the purpose, the technical solution of the invention is as follows:
the utility model provides a weak soil layer measurement control point structure, includes steel pipe, two reinforcing bars, concrete pedestal, its characterized in that:
the diameter of the steel pipe is 48mm, the wall thickness is 2.7mm, the length is 2.9m, and the steel pipe is driven underground to be not less than 2 m;
the two steel bars are made of the same material and have the same size, each steel bar has the diameter of 20mm and the length of 2.1m, and the steel bar is driven into the ground to be not less than 1.2 m;
the concrete pedestal comprises an upper concrete pedestal and a lower concrete pedestal, and the upper concrete pedestal is concentrically positioned above the lower concrete pedestal;
wherein: the steel pipe is the center of a measurement control point, and the distance between the center of the measurement control point and the outer edge of the structure is 150 mm; pouring concrete into the steel pipe, driving 40x40x400mm battens before initial setting, and driving nails at the tops of the battens after final setting of the concrete to serve as measuring control point marks; two steel bars are arranged on the diagonal line of the measurement control point, and the distance between the steel bars and the side wall of the control point structure is 50 mm; the steel pipe sets up in concrete pedestal center, and the steel pipe passes the concrete pedestal perpendicularly, and two reinforcing bars set up at the steel pipe, and are parallel with the steel pipe.
The soft soil layer measurement control point structure can be further realized by adopting the following technical measures.
The structure of the measurement control point of the soft soil layer is that the lower concrete pedestal is a 600x600x600mm cube.
The structure of the measurement control point of the soft soil layer is that the upper concrete pedestal is a 300x300x300mm cube.
A construction method of a soft soil layer measurement control point structure is suitable for embedding measurement control points in soft soil layers and places which are easy to interfere, and is characterized by comprising the following steps:
a. firstly, measuring, positioning and lofting, driving a steel pipe and a steel bar according to the position of a drawing after checking to be correct, checking, and then pouring a concrete cushion;
b. installing and fixing the side die on the cushion layer by using an ink fountain popping sideline, and pouring concrete after checking that the template is firm and the abutted seam is tight;
c. after the measurement control point pouring is finished, core pouring of concrete in the steel pipe is carried out, and battens are driven into the steel pipe before initial setting;
d. and (4) driving a nail into the top end of the batten and spraying red paint as a measurement control point mark.
The construction method of the soft soil layer measurement control point structure can be further realized by adopting the following technical measures.
In the method, the insertion depth of the steel pipe and the steel bar at the position where the soft soil layer is too thick and is susceptible to construction is increased.
In the method, the outer side of the measurement control point structure can be provided with a fence and brushed with red and white safety colors, so that the coordinate control points and the fence can be well protected and searched.
After the technical scheme is adopted, the soft soil layer measurement control point structure and the construction method have the following advantages:
1. the measuring control point has simple structure and convenient manufacture;
2. the structural stability and the applicability of the measurement control point can be improved, the problems of coordinate misalignment of the control point and the like caused by uneven settlement of a soft soil layer are solved, and the defects of field construction and unconscious damage of workers in the later period can be reduced;
3. the construction cost is reduced by utilizing waste steel, steel bars and templates in the construction process, and the economic effect is obvious.
Drawings
FIG. 1 is a plan view of a measurement control point structure according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a measurement control point structure according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention discloses a soft soil layer measurement control point structure which comprises a steel pipe, two steel bars and a concrete pedestal.
Referring now to fig. 1, fig. 1 is a plan view of a measurement control point structure according to an embodiment of the present invention. As shown in the figure, the diameter of the steel pipe 2 is 48mm, the wall thickness is 2.7mm, the length is 2.9m, and the steel pipe is driven into the ground to be not less than 2 m;
the two steel bars are made of the same material and have the same size, each steel bar 3 has the diameter of 20mm and the length of 2.1m, and the length of the steel bar is not less than 1.2m after being driven into the ground;
the concrete pedestal comprises an upper concrete pedestal 5 and a lower concrete pedestal 4, and the upper concrete pedestal is concentrically positioned above the lower concrete pedestal; the lower concrete pedestal is a 600x600x600mm cube. The upper concrete pedestal is a 300x300x300mm cube.
Wherein: the steel pipe is the center of a measurement control point, and the distance between the center of the measurement control point and the outer edge of the structure is 150 mm; pouring concrete into the steel pipe, driving 40x40x400mm battens before initial setting, and driving nails at the top of the battens 1 after final setting of the concrete to serve as measuring control point marks; two steel bars are arranged on the diagonal line of the measurement control point, and the distance between the steel bars and the side wall of the control point structure is 50 mm; the steel pipe sets up in concrete pedestal center, and the steel pipe passes the concrete pedestal perpendicularly, and two reinforcing bars set up at the steel pipe, and are parallel with the steel pipe.
Example 2
Fig. 2 is a cross-sectional view of a measurement control point structure according to an embodiment of the present invention. The invention relates to a construction method of a soft soil layer measurement control point structure, which is suitable for burying measurement control points in soft soil layers and easily interfered positions and comprises the following steps:
a. firstly, measuring, positioning and lofting, driving a steel pipe and a steel bar according to the position of a drawing after checking to be correct, checking, and then pouring a concrete cushion; the insertion depth of the steel pipe and the steel bar at the position where the soft soil layer is too thick and is easily affected by construction is lengthened.
b. Installing and fixing the side die on the cushion layer by using an ink fountain popping sideline, and pouring concrete after checking that the template is firm and the abutted seam is tight;
c. after the measurement control point pouring is finished, core pouring of concrete in the steel pipe is carried out, and battens are driven into the steel pipe before initial setting;
d. and (4) driving a nail into the top end of the batten and spraying red paint as a measurement control point mark. The outer side of the measurement control point structure can be provided with a fence and brushed with red and white safety colors, so that the coordinate control points can be well protected and searched.
Compared with the traditional method, the invention adopts 1 3m long steel pipe and 2 2.2m long steel bars to penetrate through the soft soil layer and enter the bearing layer, and transmits the control point structure load to the underground through the steel pipe and the steel bars, thereby not only improving the structural stability and the applicability, but also solving the problems of inaccurate coordinates of the control point and the like caused by uneven settlement of the soft soil layer, but also reducing the defects of field construction and unconscious damage of workers in the later period by the method for measuring the control point structure, and simultaneously, the method for simply utilizing the waste steel in the construction process, The construction cost of the steel bar and the template is reduced, and the steel bar and the template are welcomed by operators and management and use units.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (6)
1. The utility model provides a weak soil layer measurement control point structure, includes steel pipe, two reinforcing bars, concrete pedestal, its characterized in that:
the diameter of the steel pipe is 48mm, the wall thickness is 2.7mm, the length is 2.9m, and the steel pipe is driven underground to be not less than 2 m;
the two steel bars are made of the same material and have the same size, each steel bar has the diameter of 20mm and the length of 2.1m, and the steel bar is driven into the ground to be not less than 1.2 m;
the concrete pedestal comprises an upper concrete pedestal and a lower concrete pedestal, and the upper concrete pedestal is concentrically positioned above the lower concrete pedestal;
wherein: the steel pipe is the center of a measurement control point, and the distance between the center of the measurement control point and the outer edge of the structure is 150 mm; pouring concrete into the steel pipe, driving 40x40x400mm battens before initial setting, and driving nails at the tops of the battens after final setting of the concrete to serve as measuring control point marks; two steel bars are arranged on the diagonal line of the measurement control point, and the distance between the steel bars and the side wall of the control point structure is 50 mm; the steel pipe sets up in concrete pedestal center, and the steel pipe passes the concrete pedestal perpendicularly, and two reinforcing bars set up at the steel pipe, and are parallel with the steel pipe.
2. The weak soil layer measurement control point structure of claim 1, wherein the lower concrete foundation is a 600x600x600mm cube.
3. The weak soil layer measurement control point structure as claimed in claim 1, wherein said upper concrete foundation is a 300x300x300mm cube.
4. The construction method of the soft soil layer measurement control point structure according to claim 1, which is suitable for burying the measurement control points in the soft soil layer and the position which is easy to be interfered, and is characterized by comprising the following steps:
a. firstly, measuring, positioning and lofting, driving a steel pipe and a steel bar according to the position of a drawing after checking to be correct, checking, and then pouring a concrete cushion;
b. installing and fixing the side die on the cushion layer by using an ink fountain popping sideline, and pouring concrete after checking that the template is firm and the abutted seam is tight;
c. after the measurement control point pouring is finished, core pouring of concrete in the steel pipe is carried out, and battens are driven into the steel pipe before initial setting;
d. and (4) driving a nail into the top end of the batten and spraying red paint as a measurement control point mark.
5. The construction method of the soft soil layer measurement control point structure as claimed in claim 4, wherein the insertion depth of the steel pipe and the steel bar at the position where the soft soil layer is too thick and is susceptible to construction should be increased.
6. The construction method of the soft soil layer measurement control point structure as claimed in claim 4, wherein a fence can be arranged outside the measurement control point structure and brushed with red and white safety color, so that the coordinate control point and the protection point can be well protected and searched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110705114.6A CN113529682A (en) | 2021-06-24 | 2021-06-24 | Soft soil layer measurement control point structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110705114.6A CN113529682A (en) | 2021-06-24 | 2021-06-24 | Soft soil layer measurement control point structure and construction method |
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| CN202110705114.6A Pending CN113529682A (en) | 2021-06-24 | 2021-06-24 | Soft soil layer measurement control point structure and construction method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465525A (en) * | 2010-11-11 | 2012-05-23 | 铁道第三勘察设计院集团有限公司 | Deep-embedded pile for plane vertical control point at freeze-thaw area and embedding method of deep-embedded pile |
| CN203274729U (en) * | 2013-04-28 | 2013-11-06 | 上海勘测设计研究院 | Soft soil area horizontal elevation measuring control point |
| CN104121895A (en) * | 2013-04-28 | 2014-10-29 | 上海勘测设计研究院 | Soft soil area plane height measurement control point and embedding method thereof |
| CN111811491A (en) * | 2020-07-24 | 2020-10-23 | 中建三局集团有限公司 | Forced centering device capable of freely lifting, recycling and integrating operation |
-
2021
- 2021-06-24 CN CN202110705114.6A patent/CN113529682A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465525A (en) * | 2010-11-11 | 2012-05-23 | 铁道第三勘察设计院集团有限公司 | Deep-embedded pile for plane vertical control point at freeze-thaw area and embedding method of deep-embedded pile |
| CN203274729U (en) * | 2013-04-28 | 2013-11-06 | 上海勘测设计研究院 | Soft soil area horizontal elevation measuring control point |
| CN104121895A (en) * | 2013-04-28 | 2014-10-29 | 上海勘测设计研究院 | Soft soil area plane height measurement control point and embedding method thereof |
| CN111811491A (en) * | 2020-07-24 | 2020-10-23 | 中建三局集团有限公司 | Forced centering device capable of freely lifting, recycling and integrating operation |
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Application publication date: 20211022 |