CN106839955A - A kind of Three-direction gap detector and method for monitoring concrete structure relative deformation - Google Patents

Abstract

The invention provides a three-way joint gauge for monitoring the relative deformation of concrete buildings, which includes a measuring ruler and a first measuring point and a second measuring point respectively fixed on the outer surfaces of two monitored buildings. The measuring point includes a platform and a stopper on the platform. A part of the lower end surface of the stopper coincides with the upper end surface of the stopper, and the remaining part is suspended in the air. hole; the second measuring point includes the X-direction hole-measuring baffle, the Y-direction hole-measuring baffle and the Z-direction hole-measuring baffle, and the X-direction hole-measuring baffle and the Y-direction hole-measuring baffle are vertically intersected and are all located at Z On the baffle plate for measuring holes in the direction, the measuring holes in the Y direction are arranged on the hole measuring plate in the Y direction. The three-way joint gauge for monitoring the relative deformation of concrete buildings provided by the present invention constrains the measuring ruler through the measuring holes in the X, Y, and Z directions, reduces the measurement error caused by human factors, facilitates processing and installation, and has a monitoring method Simple, high monitoring accuracy.

Description

A three-way joint gauge and method for monitoring relative deformation of concrete buildings

technical field

The invention belongs to the technical field of deformation monitoring of concrete buildings, and in particular relates to a three-way joint measuring method for monitoring the relative deformation of concrete buildings, which is used for monitoring the relative deformation of each section, split body and structure of the building.

Background technique

Facade bending plate type joint measuring point, also known as three-way joint measuring device, artificial three-way joint measuring device, etc., is used for the subsections, splits and structures of artificial buildings such as reservoir concrete dams, concrete bridges or other concrete buildings. An important monitoring device for the relative deformation between.

The façade curved plate type measuring seam punctuation structure is simple, cheap, and easy to process and install. The measuring instrument is a vernier caliper, which is cheap and easy to use. It has always been an important instrument and monitoring method for monitoring the relative deformation of artificial buildings. However, there are also some disadvantages of the façade curved plate type seam marking. When measuring, the caliper of the vernier caliper is stuck on the surface of the seam gauge. The position of the vernier caliper is poorly constrained and random, and its monitoring accuracy is poor. In each monitoring, the placement standard of the vernier caliper is not uniform, and the operating habits of the monitoring personnel vary. Differences affect the accuracy and precision of monitoring results.

Contents of the invention

The purpose of the present invention is to overcome the problems of poor position constraint, large randomness and poor monitoring precision when the existing three-way seam gauge uses a vernier caliper to measure.

For this reason, the present invention provides a kind of three-direction joint gauge that monitors the relative deformation of concrete buildings, including a measuring ruler and a first measuring point and a second measuring point respectively fixed on the outer surfaces of two monitored buildings, so The first measuring point includes a platform and a stopper on the platform, a part of the lower end surface of the stopper coincides with the upper end surface of the stopper, and the remaining part is suspended in the air. The suspended part on the stopper is provided with a measuring hole in the X direction and Hole measurement in Z direction;

The second measuring point includes an X-direction measuring hole baffle, a Y-direction measuring hole baffle, and a Z-direction measuring hole baffle. On the hole baffle plate, a Y-direction measuring hole is arranged on the Y-direction measuring hole plate.

The first measuring point also includes a bottom plate, and the platform is set on the bottom plate.

The thickness of the hole measuring baffle in the Z direction is smaller than the height of the platform.

The measuring ruler is a depth measuring ruler at the tail of a vernier caliper.

The diameters of the measuring holes in the X direction, the measuring holes in the Y direction and the measuring holes in the Z direction are all less than or equal to 5mm.

Both the first measuring point and the second measuring point are made of stainless steel.

The present invention also provides a method for monitoring the relative deformation of a concrete building, a three-way joint gauge for monitoring the relative deformation of a concrete building, comprising the following steps:

Step 1) Install the three-way joint meter: Install the first measuring point and the second measuring point on both sides of the expansion joint between the two buildings to be monitored, wherein the suspended part of the stopper of the first measuring point crosses the Expansion joints, and overlap with the space formed by the X-direction measuring baffle and the Y-direction orifice, so that the measuring ruler can touch the X-direction measuring hole after being inserted into the X-direction measuring hole;

Step 2) Insert the measuring ruler into the X-direction measuring hole until it touches the X-direction measuring hole baffle, measure the distance between the first measuring point and the second measuring point in the X direction, and then insert the measuring ruler into the Y-direction measuring hole to Touch the block, measure the distance between the first measuring point and the second measuring point in the Y direction, and finally insert the measuring ruler into the Z-direction measuring hole to the Z-direction measuring hole baffle, measure the first measuring point and the second measuring point The distance between the measuring points in the Z direction and recorded one by one;

Step 3) Measure the three-way distance between the first measuring point and the second measuring point again: After a certain monitoring period, repeat step 2) Measure the three-way distance between the first measuring point and the second measuring point, and record it;

Step 4) By comparing the three-way distance between the first measuring point and the second measuring point, the relative deformation between the two buildings within a certain monitoring period can be calculated.

The beneficial effects of the present invention are: the three-way joint gauge for monitoring the relative deformation of concrete buildings provided by the present invention constrains the measuring ruler through the measuring holes in the X, Y, and Z directions, and reduces the measurement error caused by human factors. The invention can be applied to the monitoring of relative deformation between concrete dam sections of reservoirs or other buildings, improves the traditional facade bending plate type seam measurement punctuation, is convenient for processing and installation, has a simple monitoring method, and has high monitoring accuracy.

Further details will be described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a sectional view of the present invention;

Figure 2 is a top view of the present invention.

In the figure: 1. First measuring point; 2. Second measuring point; 3. Orifice plate in Y direction; 4. Platform; 5. Block; 6. Measuring hole in Y direction; 7. Measuring hole in X direction; 8. Hole measurement in Z direction; 9. Expansion joint; 10. Hole measurement baffle in Z direction; 11. Bottom plate; 12. Expansion bolt; 13. Hole measurement baffle in X direction.

detailed description

Example 1:

This embodiment provides a three-way joint gauge for monitoring the relative deformation of concrete buildings, which includes a measuring ruler and a first measuring point 1 and a second measuring point 2 respectively fixed on the outer surfaces of two monitored buildings. The first measuring point 1 includes a platform 4 and a stopper 5 arranged on the platform 4, a part of the lower end surface of the stopper 5 coincides with the upper end surface of the stopper 5, and the remaining part is suspended, and the suspended part on the stopper 5 There are X-direction measuring holes 7 and Z-direction measuring holes 8;

The second measuring point 2 comprises an X-direction measuring hole stopper 13, a Y-direction measuring hole stopper 3 and a Z-direction measuring hole stopper 10, and the X-direction measuring hole stopper 13 and the Y-direction measuring hole stopper 3 are perpendicularly intersected and They are all arranged on the Z-direction measuring hole baffle plate 10, wherein, the Y-direction measuring hole plate 3 is provided with a Y-direction measuring hole 6 .

The principle of the present invention: the first measuring point 1 and the second measuring point 2 are fixed on both sides of the expansion joint 9 of the building, wherein the suspended part of the first measuring point 1 block 5 crosses the expansion joint 9 and is connected with the second measuring point The space formed by the X-direction measuring hole baffle plate 13 of point 2 and the Y-direction measuring hole plate 3 overlaps, so that the measuring ruler can touch the X-direction measuring hole baffle plate 13 after being inserted into the X-direction measuring hole 7; Insert the ruler into the X-direction measuring hole 7 until it touches the block X-direction measuring hole baffle 13, measure the distance between the first measuring point 1 and the second measuring point 2 in the X direction, and then insert the measuring ruler into the Y-direction measuring From the hole 6 to the stopper 5, measure the distance between the first measuring point 1 and the second measuring point 2 in the Y direction, and finally insert the measuring ruler into the Z direction measuring hole 8 to the Z direction measuring hole baffle plate 10, and measure Get the distance between the first measuring point 1 and the second measuring point 2 in the Z direction.

The three-way joint gauge for monitoring the relative deformation of concrete buildings provided in this embodiment reduces the measurement error caused by human factors by setting the hole-constrained measuring rulers in the X, Y, and Z directions respectively.

Example 2:

On the basis of Embodiment 1, this embodiment provides a three-way joint meter for monitoring the relative deformation of concrete buildings as shown in Figures 1 and 2, the first measuring point also includes a bottom plate 11, and the platform 4 is located on the bottom plate 11.

As shown in FIG. 1 , the first measuring point is fixed on the outer surface of the building through the bottom plate 11 and the expansion bolt 12 , and the second measuring point 2 is fixed on the outer surface of the building by the expansion bolt 12 to fix the Z-direction measuring hole baffle 10 .

In this embodiment, the measuring ruler is a depth measuring ruler at the tail of a vernier caliper.

The diameters of the X-direction measuring hole 7, the Y-direction measuring hole 6 and the Z-direction measuring hole 8 are all less than or equal to 5mm.

Both the first measuring point 1 and the second measuring point 2 are made of stainless steel.

The three-way joint gauge for monitoring the relative deformation of concrete buildings provided in this embodiment is suitable for being installed on the surface of reservoir dams, bridges and other external surfaces of buildings for deformation monitoring.

Example 3:

Using the three-way joint meter for monitoring the relative deformation of concrete buildings provided in embodiment 1 or embodiment 2, this embodiment provides a method for monitoring the relative deformation of concrete buildings, comprising the following steps:

Step 1) Install the three-way joint meter: install the first measuring point 1 and the second measuring point 2 on both sides of the expansion joint 9 between the two buildings to be monitored, where the first measuring point 1 is a stopper The suspended part of 5 crosses the expansion joint 9, and overlaps with the space formed by the X-direction measuring hole baffle 13 and the Y-direction measuring hole 3, so that the measuring ruler can be inserted into the X-direction measuring hole 7 and can touch the X-direction measuring hole baffle 13;

Step 2) Insert the measuring ruler into the X-direction measuring hole 7 until it touches the X-direction measuring hole baffle 13, measure the distance between the first measuring point 1 and the second measuring point 2 in the X direction, and then insert the measuring ruler into the Y direction Measure the distance between the first measuring point 1 and the second measuring point 2 in the Y direction, and finally insert the measuring ruler into the Z direction measuring hole 8 to the Z direction measuring hole baffle plate 10 , measure the distance between the first measuring point 1 and the second measuring point 2 in the Z direction, and record them one by one;

Step 3) Measure the three-way distance between the first measuring point 1 and the second measuring point 2 again: after a certain monitoring period, repeat step 2 to measure the three-way distance between the first measuring point 1 and the second measuring point 2, and record it;

Step 4) By comparing the three-way distances of the first measuring point 1 and the second measuring point 2 twice, the relative deformation between the two buildings within a certain monitoring period can be calculated.

To sum up, the three-way joint gauge for monitoring the relative deformation of concrete buildings provided by the present invention constrains the measuring ruler through the measuring holes in the X, Y, and Z directions, so as to reduce the measurement error caused by human factors. The invention can be applied to the monitoring of relative deformation between concrete dam sections of reservoirs or other buildings, improves the traditional facade bending plate type seam measurement punctuation, is convenient for processing and installation, has a simple monitoring method, and has high monitoring accuracy.

The components and structures not described in detail in this embodiment are known components and common structures or common means in this industry, and are not described here one by one.

The above examples are only illustrations of the present invention, and do not constitute a limitation to the protection scope of the present invention. All designs that are the same as or similar to the present invention fall within the protection scope of the present invention.

Claims (7)

1. it is a kind of monitor concrete structure relative deformation Three-direction gap detector, it is characterised in that：It is including measuring scale and solid respectively Located at two the first measuring points of monitored external surface of buildings（1）With the second measuring point（2）, first measuring point（1）Including platform （4）With located at platform（4）On block（5）, the block（5）A part and block for lower surface（5）Upper surface overlaps, remaining Part is hanging, the block（5）On overhanging portion be provided with X-direction gaging hole（7）With Z-direction gaging hole（8）；

Second measuring point（2）Including X-direction gaging hole baffle plate（13）, Y-direction gaging hole plate（3）With Z-direction gaging hole baffle plate（10）, institute State X-direction gaging hole baffle plate（13）With Y-direction gaging hole plate（3）Intersect vertically and located at Z-direction gaging hole baffle plate（10）On, wherein, Y Direction gaging hole plate（3）It is provided with Y-direction gaging hole（6）.

2. it is according to claim 1 it is a kind of monitor concrete structure relative deformation Three-direction gap detector, it is characterised in that： First measuring point（1）Also include base plate（11）, the platform（4）Located at base plate（11）On.

3. it is according to claim 1 it is a kind of monitor concrete structure relative deformation Three-direction gap detector, it is characterised in that： The Z-direction gaging hole baffle plate（10）Thickness be less than platform（4）Height.

4. it is according to claim 1 it is a kind of monitor concrete structure relative deformation Three-direction gap detector, it is characterised in that： The measuring scale is that slide measure afterbody depth surveys chi.

5. it is according to claim 4 it is a kind of monitor concrete structure relative deformation Three-direction gap detector, it is characterised in that： The X-direction gaging hole（7）, Y-direction gaging hole（6）With Z-direction gaging hole（8）Diameter is respectively less than equal to 5mm.

6. the Three-direction gap detector of a kind of monitoring concrete structure relative deformation according to claim any one of 1-5, its It is characterised by：First measuring point（1）With the second measuring point（2）Select stainless steel.

7. a kind of method for monitoring concrete structure relative deformation, a kind of monitoring described in usage right requirement any one of 1-5 The Three-direction gap detector of concrete structure relative deformation, it is characterised in that comprise the following steps：

Step 1）Three-direction gap detector is installed：By the first measuring point（1）With the second measuring point（2）It is separately mounted to need two of monitoring to build Build the expansion joint between thing（9）Both sides, wherein, the first measuring point（1）Block（5）Overhanging portion cross expansion joint（9）, and and X Direction gaging hole baffle plate（13）With Y-direction gaging hole plate（3）The space segment of composition overlaps, and measuring scale is inserted X-direction gaging hole（7）Afterwards Can contact X-direction gaging hole baffle plate（13）；

Step 2）Measuring scale is inserted into X-direction gaging hole（7）To touching X-direction gaging hole baffle plate（13）, measure and obtain the first measuring point （1）With the second measuring point（2）Between X-direction distance, afterwards by measuring scale insert Y-direction gaging hole（6）To touching block （5）, measure and obtain the first measuring point（1）With the second measuring point（2）Between distance in the Y direction, finally measuring scale insertion Z-direction is surveyed Hole（8）To Z-direction gaging hole baffle plate（10）, measure and obtain the first measuring point（1）With the second measuring point（2）Between Z-direction distance, and Record one by one；

Step 3）The first measuring point is measured again（1）With the second measuring point（2）Three-dimensional distance：After certain monitoring cycle, repeat step 2）Measure the first measuring point（1）With the second measuring point（2）Three-dimensional distance, and record；

Step 4）To the first measuring point twice（1）With the second measuring point（2）Three-dimensional distance be compared, you can calculate certain monitoring Relative deformation in cycle between two buildings.