Cast-in-place concrete deformation measuring system and measuring method thereof

Abstract

The invention discloses a cast-in-place concrete deformation measuring system and a measuring method thereof. The cast-in-place concrete deformation measuring system is mainly composed of a range finding device, a baffle plate device and a checking ruler device, wherein the range finding device comprises a laser range finder, a range finding box, a first adjusting rod and a second adjusting rod, and is mainly used for emitting a laser ray and adjusting reflection height and angle of the laser ray; the baffle plate device comprises a laser reflection plate, an adjusting base and a third adjusting rod, and is mainly used for reflecting the laser ray emitted by the range finding device and adjusting a position of a reflection center; and the checking ruler device comprises a checking ruler body and a ruler support, and is mainly used for checking and correcting vertical perpendicularity and horizontal perpendicularity of the baffle plate device, and ensuring that a laser ray emitted by the range finding device can just hit the reflection center of the baffle plate device and is positioned at the same horizontal height as the baffle plate device and kept perpendicular to the same. Therefore, the precision and reliability of concrete structural deformation measurement are effectively improved.

Description

technical field [0001] The invention relates to the field of engineering construction, in particular to an in-situ concrete deformation measurement system and a measurement method thereof. Background technique [0002] After the mass concrete bottom slab is poured, the temperature of the bottom slab will rise and the volume will expand due to the release of cement hydration heat. After the release of cement hydration heat slows down, the temperature will drop due to the heat dissipation on the bottom slab surface, causing the volume of the bottom slab to shrink. The expansion and contraction of the concrete floor will be restricted by the foundation soil and the pile foundation, and cannot occur freely. However, it is difficult to calculate the size of the constraint deformation of the foundation soil and the pile foundation to the floor, so the early hydration thermal deformation of the floor is difficult to obtain by calculation. . [0003] At present, a better method use...

AI Technical Summary

Problems solved by technology

[0004] However, when the baffle is placed on the concrete structure, in order to ensure that the baffle is displaced together with the concrete, the bottom bracket of the baffle needs to be inserted into the concrete structure, but in the process of binding the bracket and pouring the concrete, it is inevitable that the baffle will be displaced. Tilting, it cannot be kept perpendicular to the wall, and it cannot be at the same level as the laser device and guaranteed to be perpendicular to the laser point, so it is impossible to obtain accurate and actual displacement changes of the concrete structure

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