Patent ID: 11891897
Assignee: CNBM TECHNOLOGY INNOVATION ACADEMY (SHANDONG) CO., LTD.
Field: Civil engineering (Other fields)
Classification: CPC E  Y | IPC E

Claim 1:
2. The integrated manufacturing system for a small-deformation self-diagnosis shield segment according to claim 1, wherein the integrated manufacturing system for a small-deformation self-diagnosis shield segment comprises:
shield segments, each of the shield segments comprising a concrete segment and a reinforcement framework;
an inclination monitoring module configured to monitor an inclination changing situation of a shield segment, wherein the inclination monitoring module comprises an optical fiber grating inclinometer, a inclinometer installing pre-cast box and a inclinometer installing device; when installing, the inclinometer is installed and a pre-cast box is welded at the bottom of a concave surface of a reinforcement cage in close proximity to a template, and is poured together with concrete; after the pouring is completed, a inclinometer installing pre-cast box is opened and then a push plate is loaded into an inclinometer installing device, wherein the inclinometer installing device is used for installing an optical fiber grating inclinometer self-provided with temperature compensation;
a displacement monitoring module configured to monitor a displacement changing situation among shield segments, wherein the displacement monitoring module comprises a first displacement meter installing pre-cast box, a second displacement meter installing pre-cast box, a first optical fiber grating displacement meter and a second optical fiber grating displacement meter; when installing, the first displacement meter installing pre-cast box and the second displacement meter installing pre-cast box are installed at positions near two side edges of the concave surface of the reinforcement cage, and then the first optical fiber grating displacement meter and the second optical fiber grating displacement meter are respectively placed in the first displacement meter installing pre-cast box and the second displacement meter installing pre-cast box; tail fibers of the first optical fiber grating displacement meter and the second optical fiber grating displacement meter at one end are connected in series inside the reinforcement cage, and a connecting line is protected and bound on a reinforcement by a fiber protective sleeve; the tail fibers at the other ends of the first optical fiber grating displacement meter and the second optical fiber grating displacement meter are introduced into the inclinometer installing pre-cast box, and the first optical fiber grating displacement meter and the second optical fiber grating displacement meter are both self-provided with temperature compensation;
a strain monitoring module configured to monitor a strain changing situation of the reinforced concrete of the shield segment, wherein the strain monitoring module comprises a first optical fiber grating strain gauge and a second optical fiber grating strain gauge; when installing, the first optical fiber grating strain gauge and the second optical fiber grating strain gauge are bound at a position of a main reinforcement of the reinforcement, one end tail fiber of the first optical fiber grating strain gauge and the second optical fiber grating strain gauge are connected in series inside the reinforcement cage, and the connecting line is protected and bound on the reinforcement by a fiber protective sleeve; the tail fibers at the other ends of the first optical fiber grating strain gauge and the second optical fiber grating strain gauge are introduced into an inclinometer installing pre-cast box, and both the first optical fiber grating strain gauge and the second optical fiber grating strain gauge are self-provided with temperature compensation;
a pressure monitoring module configured to monitor water and concrete pressure changes in the shield segment, wherein the pressure monitoring module comprises an optical fiber grating concrete pressure gauge, wherein the optical fiber grating concrete pressure gauge is installed at the right center of the convex surface of the reinforcement cage and is 3 mm higher than the uppermost reinforcement of the reinforcement cage; tail fibers at both ends of the optical fiber grating concrete pressure gauge are introduced into an inclinometer installing pre-cast box, and the optical fiber grating concrete pressure gauge is self-provided with temperature compensation;
a temperature compensation module, wherein a temperature compensation grating is provided inside the optical fiber grating sensor, and the wavelength difference between the optical fiber grating sensor and the force measurement spring grating is not less than 4 nm;
wherein all the tail fibers introduced into both ends of the inclinometer installing pre-cast box form an open-ended U-shaped optical cable bundle in the inclinometer installing pre-cast box; all optical fiber grating sensor tail fibers are connected in series inside the segment, and an optical fiber line is protected by a fiber protective sleeve, wherein the sleeve is bound on a reinforcement, and optical cables all surround the reinforcement framework; after the concrete pouring is completed and the segment is integrated, six optical cable ends are installed inside the inclinometer installing pre-cast box, and the whole line is in a shape of three Us, which corresponds to the displacement detection module, the strain monitoring module and the pressure monitoring module, respectively, to form an open-ended U-shaped optical cable bundle.