CN117144937A - Construction method for controlling placement precision of lattice column of complex deep foundation pit - Google Patents
Construction method for controlling placement precision of lattice column of complex deep foundation pit Download PDFInfo
- Publication number
- CN117144937A CN117144937A CN202311359827.7A CN202311359827A CN117144937A CN 117144937 A CN117144937 A CN 117144937A CN 202311359827 A CN202311359827 A CN 202311359827A CN 117144937 A CN117144937 A CN 117144937A
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- lattice column
- point
- line
- foundation pit
- auxiliary
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Abstract
The application discloses a construction method for controlling the placement precision of a complex deep foundation pit lattice column, and particularly relates to the technical field of lattice column installation construction, comprising the following steps: s1: according to the design lattice column installation position, four auxiliary lines parallel to the lattice column sides are made; s2: before the lattice column is ready to be placed, lofting two end points A and B of any auxiliary line, lofting a clinical line perpendicular to the auxiliary line, and finding out midpoints C and D of two sides; before placing, determining four auxiliary lines with the distance of 1000mm from the center line of the lattice column, during security, keeping the vertical distance between the outer edge of the lattice column and the midpoint of the auxiliary line at 740mm through a simple measuring tool, and further adjusting the position of the lattice column, so that the accurate control of placing the lattice column can be completed.
Description
Technical Field
The application relates to the technical field of lattice column installation and construction, in particular to a construction method for controlling the placement precision of a complex deep foundation pit lattice column.
Background
Lattice columns, also known as columns in beam column frame structures, are a major structural column in buildings for supporting laminates and transferring structural loads, and are usually made of concrete, steel or wood materials, etc., which have the key functions of bearing and compressive capacity in building structures, while lattice columns are usually placed in deep foundation pits at construction sites, thereby ensuring the stability of the lattice columns.
In different project construction sites, the position and depth of the foundation pit have great influence on the placement construction of the lattice column, so that the perpendicularity of the lattice column is difficult to ensure when the lattice column is placed, and finally, the connection state of the lattice column, the cross beam, the bracket structure and the profile steel combined support in the vertical direction and the horizontal direction is influenced.
Thus, we provide a construction method for controlling the placement accuracy of a complex deep foundation pit lattice column to solve the above problems.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present application provides a construction method for controlling placement accuracy of a complex deep foundation pit lattice column, so as to solve the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present application provides the following technical solutions: the construction method for controlling the placement accuracy of the lattice column of the complex deep foundation pit comprises the following steps:
s1: according to the design lattice column installation position, four auxiliary lines parallel to the lattice column sides are made;
s2: before the lattice column is ready to be placed, lofting two end points A and B of any auxiliary line, lofting a clinical line perpendicular to the auxiliary line, and finding out midpoints C and D of two sides;
s3: when the lattice column is placed, slowly placing the lattice column into a deep foundation pit, determining that the corresponding sides of the lattice column are parallel to two auxiliary lines respectively, and measuring the distance between the corresponding sides of the lattice column and the auxiliary lines to be 740mm;
s4: and measuring the position of the lattice column in real time in the process of continuously putting the lattice column into the drilling hole, and adjusting the position of the lattice column to ensure that the lattice column keeps a relative distance from the auxiliary line until the lattice column is put in place.
In a preferred embodiment, in S1, the auxiliary lines form a square with a side length of 2000mm, and the distance between each auxiliary line and the center line of the lattice column is 1000mm.
In a preferred embodiment, in S2, any one auxiliary line is a line connecting points a, C and B, and the critical line is a line connecting points B and D.
In a preferred embodiment, in the step S3, the lattice column has a distance from the auxiliary line, that is, a vertical distance from the outer edge of the lattice column to points C and D.
In a preferred embodiment, in S4, the relative distance is a perpendicular distance from the outer edge of the lattice column to points C and D.
The application has the technical effects and advantages that:
according to the construction method for controlling the placement accuracy of the complex deep foundation pit lattice column, in the placement process of the lattice column, an operator only needs to keep in mind two rated values of 1000mm and 740mm, before placement, four auxiliary lines with the distance of 1000mm from the center line of the lattice column are determined, when security protection is achieved, the vertical distance between the outer edge of the lattice column and the middle point of the auxiliary line is kept at 740mm through a simple measuring tool, then the position of the lattice column is adjusted, and therefore the placement accuracy control of the lattice column can be achieved.
Drawings
FIG. 1 is a schematic flow chart of the present application;
FIG. 2 is a schematic diagram of the auxiliary line loft point of the present application.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
According to the construction method for controlling the placement accuracy of the lattice columns of the complex deep foundation pit shown in fig. 1-2, the method comprises the following steps:
s1: according to the design lattice column installation position, four auxiliary lines parallel to the lattice column sides are made;
s2: before the lattice column is ready to be placed, lofting two end points A and B of any auxiliary line, lofting a clinical line perpendicular to the auxiliary line, and finding out midpoints C and D of two sides;
s3: when the lattice column is placed, slowly placing the lattice column into a deep foundation pit, determining that the corresponding sides of the lattice column are parallel to two auxiliary lines respectively, and measuring the distance between the corresponding sides of the lattice column and the auxiliary lines to be 740mm;
s4: and measuring the position of the lattice column in real time in the process of continuously putting the lattice column into the drilling hole, and adjusting the position of the lattice column to ensure that the lattice column keeps a relative distance from the auxiliary line until the lattice column is put in place.
Specifically, in S1, the auxiliary lines form a square with the side length of 2000mm, the distance from each auxiliary line to the center line of the lattice column is 1000mm, in S2, any auxiliary line is a connecting line of a point A, a point C and a point B, the adjacent line is a connecting line of a point B and a point D, two perpendicular adjacent edges are selected from four designed auxiliary lines according to the environment of a placement site, and then the point A, the point B, the point C and the point D are determined, in the actual operation process, the rope is sequentially wound around the point A, the point D and the point B, and the other rope is wound around the point B and the point C, so that the auxiliary line is imaged.
Specifically, in S3, the lattice column has a distance from the auxiliary line, that is, a vertical distance from the outer edge of the lattice column to the points C and D, and in S4, the relative distance is a vertical distance from the outer edge of the lattice column to the points C and D.
The working principle of the application is as follows:
firstly, according to the design of the mounting position of the lattice column, four auxiliary lines parallel to the edges of the lattice column are made;
secondly, before the lattice column is ready to be placed, lofting two end points A and B of any auxiliary line, lofting a clinical line perpendicular to the auxiliary line, and finding out midpoints C and D of two sides;
thirdly, slowly placing the lattice column into a deep foundation pit when the lattice column is placed, determining that the corresponding sides of the lattice column are parallel to two auxiliary lines respectively, and measuring the distance between the corresponding sides of the lattice column and the auxiliary lines to be 740mm;
and fourthly, measuring the position of the lattice column from time to time in the process of continuously putting the lattice column into the drilling hole, and adjusting the position of the lattice column to ensure that the lattice column keeps a relative distance from the auxiliary line until the lattice column is put in place.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing is only illustrative of the preferred embodiments of the present application and is not to be construed as limiting the application, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present application.
Claims (5)
1. The construction method for controlling the placement accuracy of the lattice column of the complex deep foundation pit comprises the following steps:
s1: according to the design lattice column installation position, four auxiliary lines parallel to the lattice column sides are made;
s2: before the lattice column is ready to be placed, lofting two end points A and B of any auxiliary line, lofting a clinical line perpendicular to the auxiliary line, and finding out midpoints C and D of two sides;
s3: when the lattice column is placed, slowly placing the lattice column into a deep foundation pit, determining that the corresponding sides of the lattice column are parallel to two auxiliary lines respectively, and measuring the distance between the corresponding sides of the lattice column and the auxiliary lines to be 740mm;
s4: and measuring the position of the lattice column in real time in the process of continuously putting the lattice column into the drilling hole, and adjusting the position of the lattice column to ensure that the lattice column keeps a relative distance from the auxiliary line until the lattice column is put in place.
2. The construction method for controlling the placement accuracy of the lattice column of the complex deep foundation pit according to claim 1, which is characterized by comprising the following steps: in the step S1, the auxiliary lines form a square with a side length of 2000mm, and the distance from each auxiliary line to the center line of the lattice column is 1000mm.
3. The construction method for controlling the placement accuracy of the lattice column of the complex deep foundation pit according to claim 1, which is characterized by comprising the following steps: in the step S2, any auxiliary line is a connecting line of the point A, the point C and the point B, and the adjacent line is a connecting line of the point B and the point D.
4. The construction method for controlling the placement accuracy of the lattice column of the complex deep foundation pit according to claim 1, which is characterized by comprising the following steps: in the step S3, the lattice column has a distance from the auxiliary line, namely, a vertical distance from the outer edge of the lattice column to the C point and the D point.
5. The construction method for controlling the placement accuracy of the lattice column of the complex deep foundation pit according to claim 1, which is characterized by comprising the following steps: in the step S4, the relative distance is the vertical distance from the outer edge of the lattice column to the point C and the point D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311359827.7A CN117144937A (en) | 2023-10-20 | 2023-10-20 | Construction method for controlling placement precision of lattice column of complex deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311359827.7A CN117144937A (en) | 2023-10-20 | 2023-10-20 | Construction method for controlling placement precision of lattice column of complex deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117144937A true CN117144937A (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311359827.7A Pending CN117144937A (en) | 2023-10-20 | 2023-10-20 | Construction method for controlling placement precision of lattice column of complex deep foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117144937A (en) |
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2023
- 2023-10-20 CN CN202311359827.7A patent/CN117144937A/en active Pending
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