13results about How to "Ensure engineering safety" patented technology

The invention provides a single-wall steel open caisson with T-shaped ribs and a construction method of the single-wall steel open caisson. The single-wall steel open caisson comprises a plurality of single-section steel open caisson bodies assembled in the longitudinal direction. Each single-section steel open caisson comprises a circular steel open caisson, a plurality of T-shaped stiffening ribs and a plurality of anti-drag grouting pipes, wherein the T-shaped stiffening ribs are evenly arranged on the outer wall of the circular steel open caisson in the circumferential direction at intervals, and the anti-drag grouting pipes are arranged on the inner wall of the circular steel open caisson. Based on the change of the section form of the single-wall steel open caisson, the T-shaped stiffening ribs are arranged on the outer wall of the circular steel open caisson, so that the strength and rigidity of the whole single-wall steel open caisson structure are enhanced; the problems that due to insufficient rigidity and large load effect of an existing single-wall steel open caisson, lateral displacement of the open caisson is large, local stress of the open caisson wall is concentrated, and stability is insufficient are solved, the pressing depth and engineering safety of the steel open caisson are ensured, and the steel open caisson is supported to be further developed towards the longitudinal depth.

The invention discloses an anti-sliding key structure which comprises a plurality of miniature steel pipe grouting piles and pressure grouting piles, each miniature steel pipe grouting pile comprises a first cement column, two miniature steel pipes welded side by side are arranged in each first cement column, and the bottoms of the miniature steel pipes are flush with the bottom of each first cement column. The invention further discloses an implementation method of the anti-sliding key structure. The implementation method comprises the following steps that a steel pipe pile hole and a pressure grouting hole are drilled in the rear edge position of a landslide; pouring cement paste into the steel pipe pile hole and the pressure grouting hole; two micro steel pipes welded side by side are pressed into the first cement column to the bottom end of the first cement column, and a micro steel pipe grouting pile is formed; and after the cement paste is solidified, an anti-sliding key structure is formed. The invention further discloses a landslide treatment method, 20-40 sets of anti-sliding key structures are implemented on the rear edge of the landslide, the distance between every two adjacent sets of anti-sliding key structures ranges from 4 m to 6 m, and the anti-sliding key structure sets are arranged in a V shape on the plane. The anti-sliding key structure can increase the depth of a sliding surface and reduce the sliding force and the deformation rate of a landslide.

The present invention relates to the field of monitoring, and discloses a long anchor cable anchoring quality detection method and monitoring system, wherein the anchoring mesh of the area to be tested is obtained, and the long anchor cable sequence corresponding to the anchoring mesh is obtained, and the cloud data server generates a detection management container according to the long anchor cable anchoring quality detection task; the long anchor cable anchoring detection device obtains the long anchor cable detection index data corresponding to the anchoring mesh according to the detection index in the long anchor cable anchoring quality detection task; according to the set detection cycle, the long anchor cable anchoring detection device collects the detection index data of the long anchor cable according to the detection index, and obtains the long anchor cable detection index data within the detection cycle, if there is no abnormal long anchor cable, then the detection index change amount corresponding to the anchoring mesh is obtained, and the attenuation consistency of the attenuation degree of each long anchor cable corresponding to the anchoring mesh is obtained, and the long anchor cable anchoring quality detection is completed. Compared with traditional manual detection and simple physical testing methods, the present invention has higher detection accuracy and reliability.

The present application belongs to the technical field of building engineering, and particularly relates to a lug plate device for a flower basket type cantilever steel beam, which comprises: a main component, which is sleeved on the flower basket type cantilever steel beam; a lug plate, which is fixedly connected above the main component; and at least one adjusting and fastening mechanism, which is arranged on the main component and is used for detachably and adjustably fixing the main component and the lug plate on the steel beam in the length direction of the steel beam by applying clamping force to the steel beam. The present application solves the position conflict adjustment problem: when the lug plate position conflicts with a vertical rod or the like, the lug plate can be easily moved and adjusted in position by loosening the bolts without cutting and re-welding, and the operation is extremely convenient.

The present invention discloses an offshore wind power foundation scour protection filling reinforcement construction device and method. The on-site construction device and construction method are described in detail for different working conditions such as scour depth, speed and scour form, solving the problem that traditional technology is difficult to adapt to local conditions; through pre-construction detection, the optimal filling material and proportion under different working conditions are selected. A new type of double-layer slurry on-site transportation pipeline device is designed and applied, and both single-liquid slurry and double-liquid slurry can be used; an annular buckle device on the wind power pile foundation and a claw-shaped support device extending into the seabed are designed and applied to flexibly adjust the filling angle of the transportation pipeline, avoiding the shaking of the transportation pipeline and the construction ship during the construction process and affecting the safety of the pile foundation; using a depth detection sensor to automatically control the flow of the slurry to achieve accurate filling of grouting materials with a high degree of automation.

The application discloses a downhole instrument creep detection method based on multi-source sensor fusion and relates to the technical field of oil and gas well engineering, which comprises the following steps: obtaining sensor data of a target instrument in a target downhole preset period and preprocessing the sensor data to obtain preprocessed sensor data; performing magnetic interference detection based on the preprocessed sensor data to obtain a first detection result; performing multi-source joint likelihood ratio test based on the first detection result and the preprocessed sensor data to obtain a second detection result; when the second detection result meets the requirements, performing accelerometer variance detection and fiber-optic gyroscope output energy detection based on the preprocessed sensor data to obtain a third detection result; when the third detection result meets the requirements, constructing a long-period observation window and obtaining a second variance based on the preprocessed sensor data; and determining a creep termination time based on the second variance and the long-period observation window. The application realizes sensitive capture of small creep movement of a downhole instrument and further obtains an accurate creep time of the downhole instrument.

The invention relates to the field of building construction, in particular to a zero-vibration-sense and micro-vibration-velocity fine blasting construction method for an urban complex environment, which realizes high efficiency, safety and environmental protection of blasting construction through the technical means of geological investigation and environment evaluation, accurate design of blasting parameters, digital intelligent construction management, interval charging of water bags, automatic vibration velocity monitoring, wrong item damping and the like. By means of precise control over blasting energy and precise management over the construction process, blasting vibration, noise and dust are effectively controlled, and the influence on the surrounding environment is reduced. The method has the advantages that construction efficiency and quality are improved, economic benefits and social benefits are remarkably improved, and a new way is provided for safe and green development of urban underground space.

The utility model discloses an anchor rod mechanical property comprehensive testboard in the technical field of anchor rod mechanical tests, which comprises an anchor rod and a testboard, the testboard comprises a rotating base, a transverse moving frame and a rotating frame, the rotating base comprises a first V-shaped rod and a second V-shaped rod, and the first V-shaped rod and the second V-shaped rod are in running fit. Moving rods are fixedly mounted at the tail ends of the first V-shaped rod and the second V-shaped rod, a transverse moving frame is in sliding fit with inner cavities of the moving rods and comprises a floor, a fixing frame is fixedly inserted into the top of the floor and comprises a first outer frame and a second outer frame, and the first outer frame and the second outer frame are fixedly connected through small shafts at the four corners; the outer wall of the small shaft is sleeved with a roller, the roller is rotationally matched with the small shaft, the rotating frame comprises a rotating disc, the outer wall of the rotating disc is matched with the roller, outer teeth are evenly arranged in the middle of the outer wall of the rotating disc, and conical surfaces are arranged at the outer ends of the two sides of the rotating disc. And the multi-directional pressure test of the mechanical property of the complex stress combination of the anchor rod is facilitated.

The utility model discloses an autoclaved aerated concrete thermal insulation structure integrated wall body which comprises an inner wall plate and an outer wall plate, a thermal insulation plate is arranged between the inner wall plate and the outer wall plate, and an assembly structure used for installing the wall body is arranged on the thermal insulation plate. The assembly structure comprises a protruding part and a concave part which are correspondingly arranged on the opposite end faces of the heat preservation plate, the protruding part and the concave part are matched in an inserted mode, and a protection structure is arranged corresponding to the assembly structure. The protective structure is arranged, so that the assembly structure is effectively protected, the risk that the assembly structure is collided and damaged is reduced, and the damage rate of a wall is reduced; the inner wall plate and the outer wall plate which are made of autoclaved aerated concrete reduce the building volume weight and save the engineering material cost; by arranging a sealing gasket, the air tightness of wall assembly is improved, and the heat preservation performance of the wall is improved; due to the arrangement of the broken bridge tie piece, the integrated strength of the wall body is improved, the layering and falling risks of the wall body are effectively reduced, and the quality of the wall body and the engineering safety are guaranteed.

The utility model provides multichannel pile foundation detection equipment based on a side hole transmission wave method, which belongs to the technical field of building detection and comprises a transport case, partition plates are mounted in an inner cavity of the transport case, and the inner cavity of the transport case is divided into a first cavity, a second cavity and a third cavity by the partition plates. The bottom of one side of the transport box is provided with a moving mechanism used for moving the transport box so as to facilitate transfer, and the first cavity is internally provided with a seismic wave source assembly used for detecting the pile foundation. The utility model has the beneficial effects that a pile foundation can be hammered through the seismic wave source assembly to generate vibration so as to form mechanical waves, and then the generated mechanical waves can be collected and analyzed through the composite multi-channel collection assembly and the data analysis assembly, so that data collection and analysis are integrated; the length of the pile foundation is detected in real time with high precision and high efficiency, reliable data is provided for follow-up engineering construction safety, and engineering quality and safety are guaranteed.

A data processing method applied to strength detection of cast-in-place concrete foundation piles relates to the technical field of concrete detection and comprises the following steps: acquiring pile body internal structure data, pile body concrete strength and environmental factors of each cast-in-place concrete foundation pile; deeply drawing a characteristic spectrum; according to the pile body concrete strength and the environmental factors, threshold value intervals corresponding to the key features are obtained, threshold value real-time monitoring is conducted on the feature maps of all the concrete pouring foundation piles, and all the concrete pouring foundation piles are divided into defective concrete pouring foundation piles or qualified concrete pouring foundation piles; data processing is conducted on key characteristics, pile body concrete strength and environmental factors in a historical collection period of each concrete pouring foundation pile, a foundation pile intelligent estimation model is constructed based on a data processing result, qualified concrete pouring foundation piles are estimated, and the efficiency and precision of detection work of the concrete pouring foundation piles are remarkably improved.

The utility model belongs to the field of grouting hole sealing, particularly relates to a drilling and grouting hole sealing sleeve device, and aims to solve the problems that the existing device cannot realize quick disassembly and assembly connection between the device and a grouting pipe, the working efficiency is reduced, and the manpower and material resource cost is increased, and the following scheme is provided: the drilling and grouting hole sealing sleeve device comprises a sleeve main body, the top end of the sleeve main body is detachably communicated with a three-way pipe, the top end of the three-way pipe is fixedly communicated with a pressure gauge, a slurry outlet is formed in the bottom end of the sleeve main body, and a limiting ring is fixedly arranged at the position, above the slurry outlet, of the outer portion of the sleeve main body; and the connecting assembly is arranged on the three-way pipe and used for connecting the device with a grouting pipe. Due to the arrangement of the connecting assembly, quick disassembly and assembly connection between the device and the grouting pipe is achieved, time needed for connecting the grouting pipe is shortened, working efficiency is improved, and therefore manpower and material resource cost is reduced.

The utility model discloses a hinge joint rib positioning device which comprises a supporting part correspondingly arranged at the installation position of a hinge joint rib on a formwork. And the plurality of positioning pieces are connected with the supporting part and are used for connecting the hinge joint ribs. The hinge joint ribs are fixed in a current binding and supporting mode instead of a traditional binding mode, when concrete is poured and vibrated, the hinge joint ribs can bear large external force, it can be guaranteed that the hinge joint ribs are located at the preset positions all the time through the positioning pieces, and the positions of the hinge joint ribs are unified and orderly.