10results about How to "Easy construction management" patented technology

The invention discloses a rural house structure optimization design method and system based on building information modeling, and relates to the technical field of building structure analysis design, and the method comprises the steps: obtaining geographical climate data, building user demand data and construction condition data of a to-be-built rural house; determining a house design variable set according to the acquired data; randomly generating an initial solution according to the value range of each variable parameter in the house design variables to construct an initial population; performing individual optimization on the initial population by using a genetic algorithm, screening individuals according to fitness, performing iterative genetic evolution operation including crossover and variation, and finally determining an optimal individual; and inputting target values of various variable parameters indicated by the optimal individual into a BIM construction module to determine a target BIM model for the rural house. Therefore, genetic algorithm optimization and a BIM modeling technology are organically fused, and the structural safety, the economical efficiency, the construction efficiency and the intelligent level of rural house design are improved.

The invention provides a combined judgment method and system for the shield deslagging quantity, and relates to the technical field of underground tunnel construction, and the method comprises the following steps: obtaining a first deslagging quantity measured by a slag transfer groove, a first weight measured by a weight system and a first volume measured by a volume system every first tunneling distance, a weight system and a volume system are arranged on the belt conveyor; the first weight is converted to obtain a second volume corresponding to the first weight, the first deslagging amount is compared with the first volume and the second volume, three transverse deviations are obtained, and the transverse deviations are the absolute value of the difference value between any two volumes; and if all the transverse deviations are smaller than the first preset threshold value, it is judged that the deslagging amount within the first tunneling distance is normal. According to the scheme, the three modes of slag transfer tank measurement, weight system measurement and volume system measurement are used in a combined mode, errors caused by a single measurement mode are reduced, and the measurement accuracy of the slag tapping amount is improved.

The invention provides a highway tunnel auxiliary channel small pilot tunnel entering construction method, and belongs to the technical field of entering construction, and the method comprises the following steps: step 1, preparing before construction, carrying out geological exploration and risk assessment, excavating a small pilot tunnel, determining the position of the small pilot tunnel, excavating the small pilot tunnel, carrying out advance support and primary support, and expanding excavation to a designed section; step-by-step expanding excavation and segmented expanding excavation are conducted, final supporting is conducted, after expanding excavation is conducted to a designed section, final supporting work is conducted, concrete lining is poured, safety and stability of a tunnel structure are guaranteed, monitoring and adjusting are conducted, the water level and surrounding rock deformation are monitored in real time, and measures are adjusted in time. The small-section construction can be more refined, the engineering quality can be improved, and in the small pilot tunnel construction process, surrounding rock deformation and water level change can be monitored in real time, construction measures can be adjusted in time, and the engineering quality is ensured.

The present invention relates to the technical field of point cloud data processing, and in particular to a BIM-based intelligent management method for high-speed rail expansion construction, including: obtaining point cloud data of several directions at several locations in several construction stages during the expansion of the high-speed rail; obtaining the stress degree of each data point in each point cloud data; obtaining the contribution of each data point in each voxel block through the change of stress degree between adjacent data points, the angle between adjacent stress planes, the distance between data points, and the normal vector of the data point; obtaining the first contribution of the voxel block, comparing the first contribution with a preset threshold, obtaining a key voxel block, matching the key voxel blocks in all point cloud data under the same construction stage, and obtaining a BIM model of each construction stage. The present invention improves the speed of constructing BIM models in different construction stages, and can better analyze the stress distribution in the high-speed rail expansion process through the BIM model.

The utility model relates to the technical field of building construction hoisting equipment, and discloses a support fixture for mounting a steel structure in a concrete frame, which comprises two clamping steel plates, connecting holes are correspondingly arranged at two ends of the two clamping steel plates, a screw rod is arranged in the two connecting holes at each end in a penetrating manner, and a screw rod is arranged in the screw rod in a penetrating manner. Fixing nuts are arranged at the ends, away from each other, of the two clamping steel plates, of the screws. The opposite sides of the two clamping steel plates are each provided with two auxiliary clamping plates with the distance adjustable, and the auxiliary clamping plates are perpendicular to the clamping steel plates. According to the steel beam hoisting and mounting device, the steel beam can be hoisted and mounted in a limited space environment on the premise that a concrete beam plate is not damaged, and the steel beam hoisting and mounting device is simple in structure, convenient to mount and dismount, low in construction cost, small in operation radius and beneficial to management of a construction site.

The invention provides an automatic adjusting system and method for perpendicularity of side walls of a stacked assembly type subway station. The system comprises a push-pull adjustment execution device, the push-pull adjustment execution device comprises at least two electric push-pull rods evenly arranged at the top of the prefabricated side wall, and the two ends of each electric push-pull rod are hinged to one side of the underground diaphragm wall and the top of the prefabricated side wall correspondingly and used for driving perpendicularity adjustment of the prefabricated side wall; the perpendicularity monitoring device is used for collecting vertical inclination angle data of the prefabricated side wall in real time; and the central control device is in signal connection with the perpendicularity monitoring device and the push-pull adjustment execution device and is used for receiving the inclination angle data, calculating perpendicularity deviation, automatically generating an adjustment instruction according to the deviation and controlling the telescopic movement of the electric push-pull rod so as to dynamically correct the perpendicularity of the prefabricated side wall. Dynamic monitoring and automatic correction of the perpendicularity of the side wall can be achieved, errors and stress unbalance caused by manual intervention are avoided, it is ensured that the perpendicularity of the side wall meets the standard requirement in the whole pouring process, the adjusting efficiency is improved, and the construction risk is reduced.

The application discloses a main bridge steel structure construction method and relates to the technical field of bridge construction. The specific steps comprise the following steps: dividing regions, installing baffle plates and pier columns, installing steel pipe piles and platform support columns, installing inter-column supports and sliding beams to form sliding tracks, repeatedly constructing the south bank, completing platform support covering a river, installing lower chord rods and lower bridge decks, installing upper chord rods and upper bridge decks, installing upper-layer cantilevers and lower-layer cantilevers, assembling sliding units, repeatedly assembling sliding units until closure, hoisting the last sliding unit and completing installation of the main bridge steel structure. The construction method can reduce operation risks, shorten construction period, save materials and reduce costs.

The invention relates to the technical field of constructional engineering supervision, in particular to a constructional engineering supervision quality evaluation system based on a big data technology, which comprises a data collection module, a work anomaly analysis module, an environment anomaly analysis module and a comprehensive analysis module, wherein the data collection module collects working data of constructors, historical environment data and construction progress data; the work abnormity analysis module establishes a work efficiency curve and identifies a local minimum value point according to the construction personnel data, and determines a work efficiency abnormity time step; the environment anomaly analysis module calculates environment suitability degree scores and ranks the scores according to time steps to determine environment suitability degrees corresponding to the working efficiency anomaly time steps; and the comprehensive analysis module analyzes whether the abnormal time step is located at a local minimum point or not through the construction progress curve, judges the influence of environmental factors on the working efficiency according to environmental suitability statistics, and finally sends a result to a manager.

The invention relates to a construction method of a pre-tensioning and post-anchoring type prestressed anti-floating anchor rod and a node. The method comprises the following steps: measuring, placing and positioning an anchor hole; surface sundries in the construction range are cleaned; tapping and anchoring test and process test inspection are carried out; anti-floating anchor rods are firstly constructed, surface soil between the anti-floating anchor rods and surface soil and sundries of anchor heads are removed, and then a cushion layer is constructed and waterproof is achieved; or, the cushion layer and the waterproof layer are constructed firstly, then the anti-floating anchor rods are constructed, and the surface soil between the anti-floating anchor rods and the surface soil and sundries of the anchor heads are removed; installing a pre-stress part and applying pre-stress; bending the reinforcing steel bars and connecting; and pouring bottom plate concrete. Prestress is applied to the anchor rod firstly, and finally, a bottom plate concrete structure is poured, so that the construction waiting time for tensioning the anchor rod is shortened, the anchor rod is prevented from rusting and being damaged, a waterproof layer is not prone to being damaged, and damage to the bottom plate caused by the finally applied prestress is reduced. Prestressed anchor rod construction and tensioning and underground structure construction do not interfere with each other, tensioning locking is facilitated, and construction steps are simplified.

The utility model belongs to the technical field of underground diaphragm wall construction equipment, and discloses a simple construction tool basket for underground diaphragm wall construction, a bottom plate is positioned at the bottom of the tool basket, a main body reinforcing steel bar frame comprises two U-shaped reinforcing steel bars and a plurality of supporting reinforcing steel bars welded between the U-shaped reinforcing steel bars, and the lower ends of the two U-shaped reinforcing steel bars respectively penetrate through reinforcing steel bar penetrating holes in the two ends of the bottom plate; the side doors are movably mounted at two ends of the main reinforcement frame through bolts; the safety rope fixing anchor point comprises a plurality of safety rope hooks fixed at the upper end of the main body steel bar frame; and each lifting point comprises an inclined reinforcing steel bar welded at the corner position of the main body reinforcing steel bar frame. Through the cooperation of the bottom plate and the main body steel bar frame, dozens of supporting steel bars, concrete cushion blocks or other tools used for arranging a steel bar cage can be loaded, and the underground diaphragm wall groove hole construction tool storage device is frequently placed beside a groove hole in the grooving and steel bar cage arranging process and used for storing underground diaphragm wall groove hole construction tools and providing safety rope fixing anchor points for constructors; standardized construction process management is facilitated, and meanwhile the construction site is saved.