477 results about "Structure system" patented technology

The invention discloses an edge member reinforcing steel bar staggered connection full-prefabricated shear wall structure system and a construction method thereof, the upper area of an edge member and a middle wallboard form an integrated prefabricated structure to form a prefabricated part of the edge member, and a cast-in-place cavity with a trapezoidal section is reserved in the lower area of the edge member; the compactness of concrete in a cast-in-place cavity can be effectively improved, so that the connecting strength of two adjacent layers of prefabricated shear walls is improved, meanwhile, a connecting beam joint groove is reserved in the top of the edge component, and a connecting beam can be erected in the connecting beam joint groove, so that the in-place precision and the construction efficiency of the connecting beam are improved, and the construction cost is reduced. The butt joint structures of the prefabricated shear walls on the same layer are rapidly connected with the embedded parts at the side ends of the prefabricated wall bodies, effective connection of the wall bodies on the same layer is achieved, all components are prefabricated, on-site wet construction is reduced to the maximum extent, full-prefabricated building of the shear wall structure is formed, and the construction efficiency and quality are improved.

The invention discloses a modular double-sided laminated shear wall structure system and a construction method, and relates to the technical field of constructional engineering.The structural characteristics of a double-sided laminated shear wall are utilized, an inner shear wall connected between adjacent concrete modules is split into two page plates, the two page plates serve as prefabricated side walls of the adjacent concrete modules correspondingly, and meanwhile, the two page plates serve as prefabricated side walls of the adjacent concrete modules correspondingly; a single-face superposed beam is split into a connecting beam side formwork and a connecting beam single-side prefabricated slab, gable walls of end modules are prefabricated and assembled according to a fully-prefabricated shear wall structure, the two ends of the fully-prefabricated shear wall are connected in a centralized mode in a vertical steel bar staggered anchoring connection mode, and adjacent concrete modules can be connected only by pouring concrete in site construction. Meanwhile, the prefabricated side wall of the concrete module serves as an inner shear wall page plate to jointly participate in structural stress, the structural force transmission mechanism is clear, the situation that the usable space of a building is reduced due to a traditional thin shell plate can be avoided, and the overall performance of the building is improved.

In some implementations, a conductive concrete composition for providing improved shielding against electromagnetic radiation comprises cement, one or more supplementary materials, aggregates, one or more carbon products, and fibers. In some implementations, the composition comprises between about 5% and about 40% by weight of cement, between about 1% and about 20% by weight of one or more supplementary materials, between about 5% and about 80% by weight of aggregates, between about 1% and about 40% by weight of one or more carbon products, and between about 1% and about 10% by weight of fibers. In some embodiments, the one or more supplementary materials comprises ground granulated blast furnace slag (GGBS), the one or more carbon products comprises graphite, and the fibers comprise steel fibers. The aggregates can include normal weight, lightweight, and / or fine aggregates.

Systems and methods for mobile offshore carbon capture and sequestration operations. One system includes a first installation featuring a direct air carbon dioxide capture (DAC) system, carbon dioxide dehydration, carbon dioxide compression and a second installation featuring carbon dioxide injection facilities to inject carbon dioxide into an underground reservoir or other suitable subsurface formation.

The invention provides a large-opening spoke cable dome space structure system and a construction method thereof, and relates to the technical field of building structure construction.The large-opening spoke cable dome space structure system comprises a supporting column system, a ring beam, a single-layer spoke type crossed cable net, an inner ring cable and a multi-stage cable system structure; the multi-stage cable system structure comprises a first endless cable structure, a second endless cable structure, a third endless cable structure, a fourth endless cable structure, a first supporting structure, a second supporting structure, a third supporting structure, a fourth supporting structure, a first stay cable structure, a second stay cable structure, a third stay cable structure and a fourth stay cable structure. The supporting column system is fixedly connected with the ring beam, one end of the single-layer spoke type crossed cable net is hinged to the ring beam, the other end of the single-layer spoke type crossed cable net is hinged to the inner ring cable, the multi-stage cable system structure is hinged to the ring beam, one end of a first supporting structure of the multi-stage cable system structure is connected with the inner ring cable, and the other end of the first supporting structure is connected with the first ring cable structure. The overall rigidity is large, the anti-collapse capacity is good, the length of the pressing rod is effectively reduced, buckling is avoided, and the problem that arrangement of a cable truss structure is limited is solved.

The invention discloses a multi-source cooperative rocker arm-tracked robot composite mechanical structure for earthquake search and rescue, and belongs to the technical field of intelligent rescue equipment. A rocker arm-crawler belt-wheel three-dimensional motion structure system is innovatively designed, a multi-degree-of-freedom rocker arm structure driven by a steering engine is adopted in the middle of the robot, and a double-crawler belt differential driving module driven by a motor is arranged at the bottom of the robot; a swing arm balance wheel set is arranged on the front portion to assist climbing operation. According to the composite structure, a posture stability control algorithm is established through a mass center dynamic model, and intelligent switching of three motion modes of wheel type high-speed maneuvering, crawler belt obstacle crossing and rocker arm climbing can be achieved. Tests show that the structure can enable the robot to stably cross a 100 mm vertical obstacle, good posture stability is kept in unstructured terrains such as gravel and rubble, and meanwhile the environment is sensed through various sensors. Compared with a traditional single motion structure, the multi-dimensional maneuvering ability in the complex post-disaster environment is achieved through mechanical structure innovation, and the terrain adaptability of rescue equipment is effectively improved.

The invention belongs to the technical field of underground structure tests, and provides a deep underground structure pseudo-dynamic test method and device.The method comprises the steps that a numerical substructure and a test substructure are constructed, and an interaction boundary is arranged between the numerical substructure and the test substructure; and compensating the boundary prediction data according to the inertia force compensation coefficient based on the numerical sub-structure in each loading process, and loading the compensated prediction data to the test sub-structure, so that the test sub-structure outputs prediction response data and updates the rigidity of the numerical sub-structure, and determining a target balance force according to the prediction response data based on the numerical simulation substructure, driving a next loading process by using the target balance force, and obtaining a dynamic response rule of the soil-structure system when respective boundaries of the numerical simulation substructure and the test substructure meet displacement coordination and force balance. According to the method, the initial stress state of the deep underground structure can be accurately simulated, and the accuracy of obtaining the mechanical response rule of the underground structure is improved.

The invention discloses a geological multi-scale data hierarchical retrieval method and electronic equipment, and belongs to the technical field of geological data management and retrieval, and the geological multi-scale data hierarchical retrieval method comprises the following steps: S1, constructing a multi-scale data system, namely a three-level data structure system of a digital outcrop model, a rock specimen and a rock sample; s2, establishing an association mechanism among the three-level data structure systems, digital outcrop model-rock specimen association and rock specimen-rock sample association are carried out; and S3, performing multi-scale data hierarchy retrieval by adopting bidirectional association retrieval and feature retrieval. The digital outcrop-rock sample-rock sample association retrieval method has the advantages that the digital outcrop-rock sample-rock sample association retrieval efficiency is improved, the multi-dimensional retrieval capability is achieved, multi-class feature combination query, lithology + era + components and the like are supported, and seamless connection of macroscopic-mesoscopic-microscopic data can be realized; a bidirectional traceable chain is established, and data traceability is complete.

The invention belongs to the technical field of tunnel engineering, and particularly relates to a tunnel structure mechanical property test method and system for initial support asymptotically deteriorated. And according to a working condition conversion geometric similarity ratio, configuring a surrounding rock similar material, determining a supporting similar material and material parameters in combination with a similarity theory, and manufacturing a temperature control degradation tunnel structure supporting model. By adjusting the temperature of the anchoring mortar and the initial support similar material to change the macromechanical properties, the degradation effect of the initial support structure is represented, the asymptotic degradation process of the initial support structure is simulated, the load transfer mechanism and the bearing characteristic evolution rule of a soft rock tunnel structure system under the asymptotic degradation condition of the initial support structure can be realized, and the construction efficiency is improved. And the influence degrees of various factors such as anchor body degradation rate, anchor body degradation position, surface layer primary support degradation rate, surface layer primary support degradation position, surface layer primary support inner surface roughness (smoothness, moderation and roughness), secondary lining mechanics and the like on surrounding rock deformation and support structure deformation and stress can be systematically analyzed.

The invention relates to the technical field of offshore wind turbines, in particular to a submersible mud floating type offshore wind turbine system. The submersible mud floating type offshore wind power structure system can be flexibly suitable for different water depths and marine environments, the whole structure system is in a suspended state during normal work, the structure system enables the structure to sink to be in a mud floating state through an anchor chain and gas-water replacement operation in an extreme marine environment, and after the extreme marine environment, the structure system is in a floating state. The structure floats upwards and is in a suspended state through an anchor chain and gas-water replacement operation, and work continues to be carried out; the suspension state of the submersible mud floating type offshore wind power structure system is divided into a semi-submersible state and a full-submersible state, and the submersible mud floating type offshore wind power structure system is suitable for wind energy resources of different heights and has the advantage of fully developing offshore wind energy resources; the buoy of the submersible mud floating type offshore wind power structural system can be filled with water and air, and state conversion of the structure is achieved through air-water replacement.

The invention discloses an assembly type multi-layer lightweight concrete sandwich wallboard structure system, which relates to an assembly type multi-layer building and comprises lightweight concrete sandwich prefabricated wallboards, vertical corner prefabricated members and fully prefabricated hollow floor slabs, the lightweight concrete sandwich prefabricated wall panel and the vertical corner prefabricated part are connected in an anchoring mode through a vertical anchoring connecting section, a prefabricated bracket is arranged on one side of the lightweight concrete sandwich prefabricated wall panel, and the full-prefabricated hollow floor slab is arranged on the prefabricated bracket. The fully-prefabricated hollow floor slabs and the lightweight concrete sandwich prefabricated wallboards are anchored and connected through the horizontal cast-in-place sections of the fully-prefabricated hollow floor slabs, and every two adjacent layers of lightweight concrete sandwich prefabricated wallboards and vertical corner prefabricated parts are fixedly clamped through buckle type connecting parts. The invention further discloses a construction method of the fabricated multi-layer lightweight concrete sandwich wallboard structure system. Connection joints are simple and convenient, grouting connection is not needed, the prefabricated horizontal members do not need temporary supports, the on-site pouring amount is small, and the stress performance is good.

The invention relates to a deep and thick high-temperature permafrost region highway foundation bearing capacity enhancing method which comprises the following steps: detecting the bearing capacity of a permafrost foundation through static sounding to obtain the spatial distribution characteristics of the bearing capacity of an original-state foundation; the spatial distribution characteristics of the bearing capacity of the undisturbed foundation at least comprise a bearing capacity mean value, a bearing capacity range and a bearing capacity decline ratio; establishing a mapping model at least based on the spatial distribution characteristics of the original-state foundation bearing capacity and the shallow foundation enhancement mode; based on the mapping model, according to the spatial distribution characteristics, obtained through detection, of the original-state foundation bearing capacity, the shallow foundation strengthening mode is determined, and the shallow foundation strengthening mode comprises a structural strengthening measure, a material strengthening measure and a hydrological regulation and control strengthening measure and is used for improving the overall bearing performance of the foundation and restraining permafrost degradation; the structural reinforcing measure at least comprises the steps that a composite bearing structure system is constructed in a shallow foundation, and the mechanical property of the whole foundation is improved by enhancing the bearing capacity of a local area of the foundation.

The invention belongs to the technical field of fabricated buildings, and particularly relates to a pedestrian overpass adopting a spatial string support structure and provided with a semi-rigid tension awning structure, which is provided with a string support self-balancing bridge deck system and the semi-rigid tension awning structure. The string supporting self-balancing bridge deck system is provided with a pressure-bearing bridge deck and a space string supporting structure arranged below the pressure-bearing bridge deck. The semi-rigid tensioning awning structure is provided with a rigid fish belly overhanging truss, a flexible cable net structure system, a vertical supporting component and a landing cable component. The vertical supporting components are provided with A-shaped supporting columns, swing supporting columns and end supporting columns. The two A-shaped supporting columns and the two swing supporting columns are connected between the rigid overhanging truss and the pressure-bearing bridge floor. The bottom ends of the swinging supporting columns are hinged to the pressure-bearing bridge floor; the end supporting column is arranged on the outer side of the swing supporting column, and the top end of the swing supporting column is connected with the top end of the end supporting column. The light and transparent building appearance is achieved.

The invention belongs to the technical field of oil and gas well drilling, and particularly relates to an experimental device and method for simulating the overflow and leakage co-storage well killing process of a fractured-vuggy stratum. The device comprises a simulation wellbore system, a simulation drilling fluid circulation system, a simulation fracture-vug type stratum structure system, a simulation gas injection system, a data acquisition system and a data processing system. The wellbore simulation system is used for simulating a drill stem and a wellbore in an experiment; the simulated drilling fluid circulating system is connected with the upper part of the shaft system and is used for simulating injection and return of drilling fluid; the simulated fracture-vug type stratum structure system is connected with the lower part of the shaft system and is used for simulating cracks and karst caves in an experiment; the simulated gas injection system is used for injecting gas into the fracture-cavity type stratum structure system; and the data acquisition system and the data processing system are used for acquiring and processing experimental data in the experimental device. The experimental device and method provided by the invention aim at solving the problem that in the prior art, the overflow and leakage coexistence well killing process of a fracture-vug type stratum cannot be comprehensively simulated.

The invention relates to the technical field of tunnel engineering, in particular to an operation high-speed rail tunnel portal anti-impact combined structure system which comprises stand columns, longitudinal beams, cross beams and buffer structures. The stand columns are located on the two sides of a railway and arranged in the extending direction of the railway, and foundations are connected to the bottoms of the stand columns. The longitudinal beams are arranged on the tops of the stand columns on the same side of the railway respectively, are parallel to the extending direction of the railway and are sequentially connected with an existing tunnel portal. Two ends of the cross beam are respectively connected with longitudinal beams on two sides of the railway. The bottom of the buffering structure is connected with the top face of the beam. The stand columns, the longitudinal beams and the cross beams are all prefabricated parts. The stand columns, the longitudinal beams and the cross beams are all arranged to be prefabricated parts, the stand columns, the longitudinal beams and the cross beams can be installed at the tunnel portal in a hoisting mode, and therefore the field construction efficiency is improved. And meanwhile, the rack and the template do not need to be built and disassembled on the railway, so that the space of the operating railway is not occupied, and the risk brought to the operation safety of the railway is further reduced.

The invention discloses an outer-rigid and inner-flexible stadium annular roof structure system and a construction method thereof. The system comprises an outer rigid structure and an inner flexible structure. The peripheral rigid structure comprises supporting columns, V-shaped supporting pieces and a grid frame. The supporting columns are radially distributed on the outer ring of the annular roof structure around the center of the annular roof structure. The V-shaped supporting pieces correspond to the supporting columns one to one and are located on the inner sides, opposite to the supporting columns, of the roof structure. The grid frame is fixed to the top ends of the supporting columns and the V-shaped supporting pieces. The inner flexible structure comprises an annular cable and a radial cable; the ring cable is arranged on an inner ring of the roof structure; one end of the radial cable is fixed with the V-shaped supporting piece, and the other end is fixed with the ring cable. A giant outer pressing ring form of a traditional cable bearing structure is abandoned, the peripheral rigid structure and the inner surrounding flexible structure are combined, the rigidity of the peripheral rigid structure is used as a support of the flexible structure, the stress mode of the grid frame structure is improved, the rigidity of the inner surrounding cable structure is improved, and the steel consumption of the peripheral rigid structure is reduced.

The utility model discloses a special-shaped curved slope roof safety protection structure system which comprises a main body steel structure and is characterized by comprising an upper layer structure and a lower layer structure, the upper layer structure and the lower layer structure are both arranged on a roof layer, the upper layer structure comprises a safety channel and a safety rope, and the lower layer structure comprises a safety bag net and a bag net steel wire rope. By adopting the safety protection structure system for the special-shaped curved surface slope roof and the construction method, the safety protection problem of the special-shaped curved surface slope roof is effectively solved, a three-dimensional protection system is formed, the safety risk is reduced to the minimum degree, the operation safety of workers is guaranteed, safety accidents are avoided, and the safety of the special-shaped curved surface slope roof is guaranteed. The construction efficiency of on-site workers is improved, the construction period is shortened, and the on-site construction cost is reduced.

The invention discloses a railway sound barrier construction and operation period data information classification method and system, and the method comprises the following steps: S1, constructing a multi-stage data structure system which covers the whole flow information of a sound barrier project; s2, performing standardized classification on the data in the multi-level data structure system; and S3, constructing an association relationship among the hierarchical data in the multi-level data structure system to form a hierarchical data management framework. By constructing a three-level data structure system of projects, work points and components and defining four data types of character strings and numerical arrays, hierarchical management is achieved through unique codes, application characteristics of the sound barrier combination components in the stages of design, construction, operation and maintenance are considered, a classification algorithm of the sound barrier combination components and associated data of the sound barrier combination components is compiled, and the classification efficiency of the sound barrier combination components is improved. A classification method of various components and associated data of the sound barrier is defined, the problems of data fragmentation and poor full-life-cycle applicability of a traditional data structure and classification method are solved, the sound barrier design efficiency and full-life-cycle management capability are improved, and the multi-specialty cooperation efficiency is improved; and the method has important engineering application value.

The utility model discloses a steel-concrete combined composite structure system under the heavy load condition of underground engineering, which comprises a steel box type bearing member, a duct piece outer protection layer is arranged outside the steel box type bearing member, the duct piece outer protection layer and the steel box type bearing member are connected into a whole, a plurality of cavities are formed in the steel box type bearing member, and the cavities are communicated with the duct piece outer protection layer. The cavity is filled with internal filling concrete, and the internal filling concrete and a concrete protection layer in the duct piece outer protection layer jointly act inside and outside, so that the stability and the bearing capacity of the whole structure are enhanced. The high-performance concrete is filled in the steel box type bearing component, so that the bearing capacity of the duct piece can be greatly improved; an anti-cracking reinforcing mesh and a concrete protection layer are arranged outside the pipe piece, so that the durability of the pipe piece is greatly improved; the circular seams and the longitudinal seams of the duct pieces are connected through concrete, the duct pieces can adapt to connection modes of rabbets, grooves and the like of various molds, production through the molds is facilitated, the duct pieces are connected through special lap joint steel plates, and the integrality of the duct pieces is improved.

The invention discloses a constitutive model constrained physical information neural network seismic response prediction method, and relates to the field of artificial intelligence and big data analysis, a CM-PINNs framework shows reliable performance in the aspect of predicting nonlinear structure response under seismic excitation, and compared with an existing PhyLSTM model, the method has the advantages that the reliability is high, and the reliability is high. Excellent performance is shown in the aspects of prediction precision and robustness; the framework has good expandability, can be expanded from a single-degree-of-freedom system to a multi-layer shearing building structure, and provides an efficient and reliable method for earthquake response prediction of a complex structure system.

This invention discloses a robot and method for drilling and installing gypsum board ceilings, comprising: a movable platform system; a lifting structure system installed on the movable platform system to raise the top working platform to a corresponding height for construction operations; a drilling turntable system installed on the working platform, comprising a turntable, a motor turntable for driving the turntable to rotate, and dust removal, drilling, and repair spraying parts evenly installed around the turntable, for realizing the functions of drilling, dust removal, and repair spraying of gypsum board ceilings; a keel delivery system for delivering main and secondary keels and gripping gypsum board; a gypsum board lifting system for lifting gypsum board; and a gypsum board cutting system for cutting gypsum board. This invention integrates gypsum board ceiling drilling and installation, automatically completing commands such as drilling and installation of gypsum board ceilings, further improving construction efficiency and quality.

The utility model discloses a cable-stayed truss side bottom water pressure balanced opposite-tie-bar-free easy-to-clean water tank, and relates to the technical field of water tanks, the cable-stayed truss side bottom water pressure balanced opposite-tie-bar-free easy-to-clean water tank comprises a bottom plate, a top plate module and side plate modules, and a plurality of bottom side pressure self-balancing truss combined components are evenly distributed on the inner side of each side plate module; the bottom side pressure self-balancing truss combined member comprises a first bottom side pressure self-balancing truss combined member and a second bottom side pressure self-balancing truss combined member. According to the bottom side pressure self-balancing truss combined component, factory assembling and welding are adopted in advance, standard and unified welding and splicing modules are formed, so that a welding component is combined, the influence caused by external factors and welding operation is reduced to a great extent, the bending resistance and the tension resistance of the bottom side pressure self-balancing truss combined component are utilized, and the welding efficiency is improved. The bottom side pressure self-balancing truss combined component can safely and reliably transfer water pressure borne by the side plates to the upper top plate and the lower bottom plate to form a stable water tank structure system, so that opposite-pulling through ribs on the two sides are omitted, the internal moving space is large, and follow-up water tank welding, manual cleaning and construction maintenance are greatly facilitated.

The invention provides a three-dimensional noise reduction structure system drainage pipe design method, and belongs to the technical field of building drainage pipes. Discretization analysis is carried out on a three-layer structure of a spiral flow guide structure PVC pipe inner wall, an asymmetric butyl rubber damping interlayer and gradient density foamed aluminum by establishing a three-dimensional noise reduction model; and constructing a vibration transfer matrix and a noise reduction key point matrix. A spiral flow guide structure is optimized through hydraulic calculation, thickness distribution of a rubber damping layer is determined through acoustic impedance testing, foamed aluminum porosity gradient design is carried out, and a small-section noise reduction cross-correlation index is introduced to evaluate the synergistic effect of adjacent structures. The optimal material ratio is solved through a three-dimensional noise reduction optimization equation set, the noise reduction effect is predicted in combination with an acoustic response deep learning model, standardized module design is finally formed through miniaturized sample piece test verification and parameter correction, and organic unification of full-band noise reduction and modular design of the drainage pipe is achieved.

A swirl recovery vane (SRV) includes a trunnion configured to pivotally connect to an exterior surface of an inner platform of an SRV structure system. The SRV includes a body extending radially from the trunnion to an unshrouded distal vane tip of the vane. The SRV includes a heat exchanger that includes a gas inlet configured to couple a bleed air valve of a compressor section of a gas generator to a gas channel. The heat exchanger includes the gas channel adapted to: enable gas to flow into the gas inlet as cool gas and out through a gas outlet as warm gas; and extend into the body of the vane to enable heat transfer from a heat source within the vane to the cool gas. The heat exchanger includes the gas outlet configured to output the warm gas from the channel to an ambient environment outside of the vane.

The invention provides an efficient and high-precision prediction method for the minimum failure probability of an aviation structure system based on an exponential penalty learning mechanism, and relates to the technical field of structural reliability analysis. Respectively generating an initial sample and a candidate sample according to the probability density function of the random variable of the performance function to be analyzed; real performance function responses corresponding to the initial samples are calculated to form an initial training sample set, and an initial Kriging agent model is constructed; selecting an optimal sample point from the candidate sample set through the proposed EPAL function; merging the optimal sample and the real response thereof into the initial training sample set, and iteratively updating the Kriging model until an error-based stopping criterion is met; judging whether the failure probability variation coefficient meets the requirement or not; and finally, calculating the failure probability of the structure based on a trained Kriging model and a Monte Carlo method.

The invention provides a structure vulnerability analysis method and system based on earthquake magnitude, distance and site conditions, a storage medium and a computer program product. The method comprises the following steps: adopting a preset sampling algorithm to obtain preset earthquake magnitude, distance and site conditions, and acceleration time history samples corresponding to the preset earthquake magnitude, distance and site conditions; based on the acceleration time-history sample, performing nonlinear dynamic time-history analysis on a to-be-evaluated structure by using a finite element analysis method to obtain nonlinear structure seismic response corresponding to the to-be-evaluated structure and the acceleration time-history sample; establishing a change relationship between the statistical parameters of the seismic response of the nonlinear structure and the preset magnitude, distance and site conditions by using a regression fitting method; and constructing a vulnerability curved surface of a to-be-evaluated structure based on the preset earthquake magnitude, distance and site conditions based on the statistical parameters of the seismic response of the nonlinear structure and the change relationship between the preset earthquake magnitude, distance and site conditions. According to the embodiment of the invention, the four elements of a seismic source, a propagation path, a site and a structure can be completely coupled, and the method can be suitable for earthquake disaster risk analysis and rapid evaluation of post-earthquake disasters under various medium-short period structure systems.

The invention discloses a damper anti-seismic system and method based on torsional energy dissipation of hollow round pipes. The damper anti-seismic system comprises a frame beam, a frame column, a cantilever wall and a torsional energy dissipation damper. The frame beams and the frame columns are connected with a building, the cantilever walls are connected with the frame beams, and the torsional energy dissipation dampers are arranged between the paired cantilever walls and connected with the cantilever walls to dissipate energy transmitted by the cantilever walls. According to the damper anti-seismic system, the torsional energy dissipation damper is arranged, a metal structure system is adopted, the liquid leakage risk of a traditional viscous damper is avoided, building vibration energy is evenly consumed through ingenious cooperation of a metal structure, and the anti-seismic performance of a building structure is improved. Due to the arrangement of the multi-section type hollow energy dissipation pipe fittings and the paired energy dissipation pipe fittings, the energy dissipation effect of the torsional energy dissipation damper is improved, the stability of the torsional energy dissipation damper is improved, fatigue fracture at the connecting position is avoided, and the service life of the torsional energy dissipation damper is prolonged.

A system includes at least one interior wall having a first interior facing side and a second side opposite the interior facing side, at least one exterior wall having a first interior facing side and a second exterior facing side, at least one first attachment device for each interior wall, and at least one second attachment device for each exterior wall, each first attachment device connecting to a respective second attachment device to temporarily attach a respective interior wall to a respective exterior wall and create a cavity between the second side of the interior wall and the first interior facing side of the exterior wall.

Techniques for repositioning a computer-assisted system include the following. The computer-assisted system comprises a repositionable structure system, the repositionable structure system comprising a plurality of links coupled by a plurality of joints, and a control unit communicably coupled to the repositionable structure system. The control unit is configured to: determine a target pose of a system portion of the computer-assisted system, determine a current pose of the system portion, determine a motion for the repositionable structure system based on a difference between the target pose and the current pose, the motion including a first component in a first direction, determine a partitioning of the first component into a plurality of partitions, and cause a first movement of a first joint set to achieve a first partition and a second movement of a second joint set to achieve a second partition.