33 results about "Structural rehabilitation" patented technology

A structural repair includes a tell-tale optical witness that allows the health of the repair to be visually monitored. The optical witness includes a stress sensitive fluorescent dye that shows changes in local strain / stress patterns when the repair is subjected to electromagnetic energy of a particular wavelength. The dyes fluoresce more or less strongly as a function of the local stress / strain.

The invention discloses an ancient wood building repairing construction method which comprises the following steps: (a) performing scene investigation; (b) erecting a scaffold; (c) reinforcing a wood structure; (d) performing wood structure preservative treatment; (e) performing fireproof treatment on the wood structure; (f) performing field arrangement; (g) performing wood structure engineering acceptance. According to the method disclosed by the invention, the current situation in which the wood structure is positioned can be comprehensively mastered, the ancient wood building is subjected to reinforcement and protection through overall reinforcement and single wood reinforcement, the stress performance of the wood structure is improved under the condition that the original structure is not damaged, overall design of the ancient wood building is guaranteed, collapse of the ancient building is avoided, the corrosion resistance of the wood structure is improved due to the wood structure preservative treatment, the safety performance of the wood structure is improved due to fireproof treatment of the wood structure, the service life of the ancient building is prolonged, the aesthetic property of the ancient building is improved, and the method has obvious social and economic values.

The present invention discloses system and method for rehabilitation and enhancement of structural integrity of a reinforced concrete structures, comprising exposing beyond a deteriorated portion of a reinforcement where a non-deteriorated portion is visible, covering a surround of the exposed reinforcement by a tensile member that is coupled with an exterior surface of the reinforced concrete structure, and encapsulating the exposed reinforcement, with the encapsulation formed by the tensile member.

The invention discloses a foundation pit supporting and repairing structure. A repairing expansion ring is provided with two coiling ends, the two coiling ends of the repairing expansion ring can moverelative to each other, and at least two one-way locking mechanisms are arranged between the two coiling ends of the repairing expansion ring; the one-way locking mechanisms are used for limiting theretraction motions of the two coiling ends of the repairing expansion ring. A repairing frame comprises two mounting rubber rings which sleeve the repairing expansion ring and are arranged up and down, and a plurality of reinforcing steel bars are circumferentially arranged between the two mounting rubber rings at equal intervals; after an air bag body is inflated, the inner diameter of the repairing expansion ring can be driven to expand so that the mounting rubber rings can be tightly attached to the inner wall of a foundation pit support row pile, and the two mounting rubber rings, the outer wall of the repairing expansion ring and the inner wall of the foundation pit support row pile define a grouting space. A grouting pipe is used for introducing concrete slurry into the grouting space. The structure has the advantage of being high in foundation pit support row pile repairing convenience.

The invention provides a top-type prestressed reinforcement machine used in the field of building structure repair and reinforcement, which includes a housing, the right end of which is fixedly connected with a repair device, and four lifting blocks are evenly arranged at the lower end of the housing, so that The top of the housing is rotated with a rubberizing wheel, and the top of the housing is fixed with a feeding mechanism, and the feeding mechanism is connected with a tensioning wheel through carbon fiber cloth, and the tensioning wheel and the rubberizing wheel are in the same position. Horizontal plane, by setting the tension wheel to solve the problem proposed in the background technology when using carbon fiber cloth for reinforcement, if no prestress is applied to the reinforced carbon fiber cloth, only when the repaired component is subjected to secondary force and the structure is further deformed, the carbon fiber cloth can be used. Participating in the work, the strength utilization rate of the material is extremely low, the stiffness improvement is limited, and the improvement effect on the bearing capacity and deformation effect of the structural members is very limited.

The invention discloses a hollow identifier-based method for preserving a structure and enhancing real identifier hiding. The method comprises the following steps: obtaining a video frame of a to-be-hidden identifier from camera equipment; calculating a three-dimensional position and orientation, relative to an identifier, of a camera according to a two-dimensional position of the identifier; projecting a hollow area mask of a hollow identifier onto a plane where the identifier is located, so as to determine a to-be-repaired mask in a video picture; automatically detecting information of a background structure adjacent to a to-be-repaired area according to the to-be-repaired mask, so as to obtain background structure characteristics; repairing the detected background structure according to the background structure characteristics, so as to obtain a structure repair image and a structure to-be-repaired mask; and utilizing an existing image repair algorithm to carry out repair hiding on a non-structure identifier according to the structure repair image and the structure to-be-repaired mask, so as to obtain a final repair effect image. According to the hollow identifier, the to-be-repaired area after identifier removal is decreased, relatively strong structural performance can be preserved during the identifier hiding, and the identifier hiding efficiency and effect are improved.

The invention relates to a construction plant for repairing and strengthening tunnel lining structures. The construction plant is characterized by comprising a running gear, any ring construction device (1 to 8) required in the invention, a lifting device with a lifting platform, a control device for controlling the construction plant to work and a driving device for driving a supporting arm to rotate. The lifting device is installed on the running gear; the ring construction device and the driving device are both installed on the lifting platform; and the control device is installed on the running gear. The construction plant has the beneficial effects that the construction flow is mastered through the plant, the automatic degree is high, a person does not need to enter a tunnel for construction, and the labor cost is saved; the mechanized construction quality is higher than the manual construction quality, coating of epoxy resin glue is even, a carbon fiber sheet is tightly and smoothly bonded, and the repairing and strengthening effect and the construction efficiency are guaranteed; and the construction plant is suitable for repairing and strengthening construction of the tunnel lining structures in different sizes, suitable for construction under various weather conditions and engineering environments and good in engineering adaptability.