470 results about "Foundation engineering" patented technology

The invention provides a method and system for estimating the vertical bearing capacity of a steel pipe pile, and relates to the technical field of pile foundation engineering.The method comprises the steps that a static cone penetration test is conducted on a seabed stratum needing to be arranged for a steel pipe pile foundation, experimental data are obtained and subjected to normalization processing, soil behavior types are divided, and soil layer mechanical parameters are inverted; calculating side friction resistance and end resistance of the steel pipe pile based on the soil layer mechanical parameters to obtain initial static ultimate bearing capacity; historical equivalent cyclic load experimental data of waves in the construction sea area are obtained, an equivalent cyclic load reduction coefficient, a liquefaction reduction coefficient and a time-varying corrosion reduction coefficient are constructed, and a comprehensive time-varying reduction coefficient is constructed; the initial static ultimate bearing capacity is corrected based on the comprehensive time-varying reduction coefficient, the vertical bearing capacity of the steel pipe pile in the long-term service period is predicted, and the time-varying ultimate bearing capacity is obtained; setting an evaluation threshold according to the time-varying ultimate bearing capacity, dynamically adjusting a bearing capacity grading threshold interval, and outputting a bearing capacity grading evaluation result.

The invention discloses a cyclic utilization and purification treatment system for slurry in pile foundation engineering construction. According to the invention, the purification treatment system is utilized to realize the double breakthrough of environmental friendliness and high resource efficiency in the construction process through the deep enabling of the intelligent regulation and control module. The system constructs a closed-loop management chain of the slurry life cycle by relying on full-process data perception and dynamic optimization capability. The intelligent regulation and control module captures fine changes of physical and chemical characteristics of the slurry in real time and automatically regulates the operation mode of the treatment equipment, so that the purified slurry always keeps the optimal engineering performance index, and the risk of pile body defects caused by quality fluctuation of the slurry is greatly reduced. By means of the intelligent design of the waste slurry recycling path, pollution sources in traditional construction are converted into reusable engineering materials, damage to the ecological environment caused by outward transportation and landfill of waste is remarkably reduced, and an engineering site is promoted to move towards the near-zero emission target.

The invention relates to the technical field of offshore wind power foundation engineering, in particular to an offshore wind turbine pile group structure suitable for complex geology and a mounting method of the offshore wind turbine pile group structure. The offshore wind turbine pile group structure suitable for the complex geology comprises guide assemblies and a pile group system frame, wherein each guide assembly is composed of a steel pipe pile guide sleeve, a jacket guide sleeve and a connecting ring plate, and the pile group system frame integrates the multiple guide assemblies through a connecting frame. The modular overall pile group structure design is achieved through the pile group system frame integrating the multiple guide assemblies and the connecting frame, the fan load is dispersed to the multiple pile foundations through the pile group synergistic effect, and therefore the bearing capacity of the whole foundation is improved, the foundation can adapt to different seabed geological conditions, and the construction efficiency is improved. The development requirement of offshore wind power in a complex environment is met, efficient installation, high bearing capacity and geological adaptability optimization of the offshore wind turbine foundation are achieved, stable support is provided for an offshore wind turbine generator, the construction cost is reduced, and the construction efficiency is improved.

The invention provides a grouting geology grading and construction parameter setting method based on rock mass permeability, and relates to the technical field of foundation engineering grouting construction.The method comprises the steps that the water permeability rate, fracture parameters (the number of independent unfilled fractures, the opening degree and the filling condition), ground stress and grout rheology data of a target hole section are obtained; calculating a grouted stratum grouting index (SGI) through the water permeability rate, the fracture number, the maximum equivalent fracture opening degree and the correction coefficient; the rock splitting strength is estimated in combination with the drilling condition; whether grouting is conducted or not is judged based on the SGI value, and the grouting starting water cement ratio, the grout changing strategy, the initial pressure and the pressure increasing strategy are dynamically adjusted; the grouting pressure is designed according to the stratum splitting strength, and the grouting termination condition is set in combination with the real-time flow-pressure data. Grouting parameters are optimized through quantitative grading and real-time data, experience dependence is reduced, the construction precision and efficiency are improved, the stratum adaptability is enhanced, and the engineering quality and the material utilization rate are ensured.

The invention relates to the technical field of complex geology pile releasing construction methods based on the BIM technology, and discloses a construction method named as a complex geology pile releasing construction method based on the BIM technology. The method aims at solving the problems of design and construction disjunction, insufficient risk pre-control, low resource utilization rate and the like caused by geological information dimension reduction processing and construction process static management in the prior art. The method is characterized by comprising the following steps: constructing a multi-source heterogeneous geological information full-parameterization three-dimensional attribute body model, and carrying out integrated simulation optimization design on a single-group pile cap based on the model; and sensing construction parameters in real time to dynamically correct the geologic model, so as to generate a self-adaptive construction control instruction and high-precision lofting data. By the adoption of the technical scheme, the safety, economical efficiency and environment friendliness of pile foundation engineering can be remarkably improved.

The invention discloses a layered foundation construction optimization method based on dynamic loading and intelligent inversion, and relates to the technical field of intelligent geotechnical engineering. In order to solve the problem that comprehensive analysis and optimization design of multiple layers of soil bodies are difficult to carry out in the prior art, the invention provides the following technical scheme: the layered foundation construction optimization method based on dynamic loading and intelligent inversion is characterized by comprising the following steps: S1, applying a dynamic load on a known layer of soil body; s2, acquiring response data, including acceleration, displacement and stress, of the soil body under the action of the dynamic load through a sensor; s3, deducing the dynamic response of the lower-layer soil body by using an inversion algorithm based on the acquired response data; s4, analyzing dynamic response characteristics of each layer of soil body; and S5, optimizing the compactness and the elastic modulus of the soil layer. The method can improve the accuracy and efficiency of soil dynamic response analysis, is suitable for mechanical property optimization in complex foundation engineering, and has wide engineering application value.

The invention relates to the technical field of sludge treatment, and discloses an efficient foundation sludge treatment device for foundation engineering, which comprises a treatment cylinder, a feeding hole is formed in the outer wall of the treatment cylinder, a feeding hopper is arranged on the outer wall of the feeding hole, a rotating shaft is rotatably connected to the top of the treatment cylinder, and an operating mechanism is arranged at the top end of the rotating shaft; and the bottom end of the rotating shaft is fixedly connected with a hollow cylinder, a rotating ring is arranged outside the hollow cylinder, the rotating ring is rotationally connected to the inner wall of the treatment cylinder in a sealed mode, and four partition plates are fixedly connected between the inner wall of the rotating ring and the outer wall of the hollow cylinder at equal intervals. By arranging the fan-shaped filter plate, sludge can be filtered, impurity particles contained in the sludge can be treated, the situation that blockage is caused by the impurity particles in the subsequent sludge dewatering process is avoided, meanwhile, the fan-shaped filter plate can be automatically replaced, the replaced fan-shaped filter plate can be cleaned, manual shutdown, disassembly and cleaning are not needed, and the working efficiency is improved. And the working efficiency is greatly improved.

The invention particularly discloses a rock-soil body interface torsional shear characteristic and toughness parameter unit body test device which comprises a unit body sample blank manufacturing device, a centering device, a special drilling tool, a rib body and a torque load.The rock-soil body interface torsional shear characteristic and toughness parameter unit body test device has the beneficial effects that traditional direct shear / drawing shear is replaced with torsional shear loading; the problem that the interface contact area is reduced in the shearing process is thoroughly solved, it is ensured that the interface contact area of an anchor / pile and a rock-soil body is constant, a pressure water bag is arranged at the top of a test box unit body, the original overlying and confining pressure environment of a stratum is accurately simulated, a test anchor hole / pile hole is directly manufactured through a drilling technology, and the natural roughness characteristic of the hole wall is reserved to the maximum extent; the smooth wall surface limitation of traditional mold pore forming is broken through, the basic toughness concept of the anchor / pile-rock-soil body interface is defined for the first time, the nature of the basic toughness can be quantitatively represented by the robustness of the shear resistance of the interface, a matched toughness testing technology and evaluation method are developed, and a theoretical model and a calculation tool are provided for the toughness design of anchoring engineering and pile foundation engineering.

The utility model relates to the technical field of pile foundation engineering, in particular to an offshore wind power steel pipe composite pile foundation synchronous and rapid construction system which comprises a self-elevating platform, the self-elevating platform comprises a supporting column and a platform, the bottom of the supporting column is arranged on the seabed, and the platform is supported by the supporting column. A plurality of steel pipe composite pile construction hole sites are formed in the platform, a rack with a rotary power head is arranged at each steel pipe composite pile construction hole site, and the racks are connected with steel pipes of steel pipe composite piles. The utility model has the advantages that: a plurality of steel pipe piles are adopted, stirring sinking is carried out simultaneously, the construction speed is high, steel pipe sinking, concrete pouring in the steel pipes, bearing platform construction and truss construction can be carried out in stages in a plurality of wind power foundations, and the overall construction efficiency is improved.

The invention relates to the technical field of building construction, and discloses a house building foundation engineering construction device which comprises a multi-shaft pile driver body, a power integration box is installed on one side of the multi-shaft pile driver body in a limiting and sliding mode, and a plurality of stirring piles are rotatably installed at the output end of the power integration box; driving gears are fixedly mounted on the outer sides of the top ends of the stirring piles, the multiple driving gears are in meshing transmission, and mounting cavities formed in the inner side walls of the driving gears are further included. The connecting strength between the mixing pile and the driving gears is changed through coincidence or dislocation between the permanent magnet plates and the magnetism isolating plates, so that the probability that the mixing pile is damaged when the bottom end of the mixing pile encounters a hard obstacle is reduced, and the situation that a plurality of driving gears bear extra load and impact due to mutual meshing is avoided; the driving gear and the power system are protected, the service life of the multi-shaft pile driver body is prolonged, the influence of hard obstacles on the construction progress is reduced, and the construction progress and the engineering quality of the sealing wall are improved.

The invention relates to the field of civil engineering, and provides a bearing capacity determination method based on special-shaped pile bearing character analysis, which comprises the following steps: firstly, obtaining stress distribution diagrams of two types of pile bodies under the same load, extracting spatial characteristics of the stress distribution diagrams, and calculating differential characteristics; and then characteristic significant enhancement is used for conducting enhanced recognition on a specific stress concentration area of the special-shaped pile in the difference graph so as to quantify nonlinear mechanical response, then space significant differences are mapped into dynamic correction coefficients of friction resistance and end resistance through characteristic decoding, and finally correction of the ultimate bearing capacity of the special-shaped pile is completed in combination with bearing capacity data of a standard pile. Therefore, the frictional resistance distribution dynamic change and end resistance multi-peak concentration phenomena caused by geometric asymmetry of the pile body can be accurately captured, meanwhile, the correction parameter optimization efficiency under the complex working condition can be remarkably improved, and the core demands of new energy pile foundation engineering for material saving and high reliability can be met.

The invention belongs to the technical field of trackless mining preparation drift type filling mining, and discloses a steeply inclined thin ore body segmentation-free roadway mining method, which comprises the following steps of space partitioning and foundation engineering construction; stoping and filling in layers; a slope coping channel for trackless mining and transportation equipment to pass through is formed on an upward layered bottom plate on the top of the connection roadway of the lower stope through the blasting technology, the slope coping channel communicates with the segmented winze through the short connection roadway, and ore removal is conducted through the segmented winze; and entering the previous layer through the coping channel, and repeating the steps of stoping and filling the layer and constructing the coping channel until the mining is finished. A slope channel is formed by blasting at the top of a layered stope joint roadway, an upper layer of mine field is communicated with a draw shaft and a ventilation shaft of an upper section, and the sectional draw shafts are combined with the collaborative layout of top and bottom stage haulage drifts and ore loading transverse drifts, so that the beneficial effect that the whole accurate mining work amount is obviously reduced is achieved.

The invention relates to the technical field of foundation engineering, in particular to a visual grouting quality online evaluation and self-correction system and method.The visual grouting quality online evaluation and self-correction system comprises a data acquisition module integrating various sensors; the data processing module is used for generating standardized grouting process data from the sensor data; the state analysis module evaluates the standardized data in real time by using a preset atlas analysis algorithm and an expert rule base, and identifies the grouting state and the quality condition; the geological information module generates a geological response map for auxiliary evaluation and control decision making; and the control execution module adjusts the operation parameters of the grouting equipment according to the evaluation result output by the state analysis module, and the operation parameters comprise valve opening and closing, the slurry flow speed and the grouting sequence, so that self-adaptive deviation correction control in the grouting process is achieved. According to the method, under-grouting, over-grouting and abnormal grout escape can be effectively avoided, grouting uniformity and construction quality are improved, manual intervention and misjudgment risks are reduced, and safety, efficiency and engineering reliability of grouting operation are remarkably improved.

The invention relates to the technical field of foundation engineering, in particular to a mixed tower fan foundation formwork erecting structure and method.The erecting structure comprises a tensioning chamber standing formwork, a tensioning anchoring end bottom formwork, an upper inner formwork, an outer formwork, a tensioning chamber formwork supporting system, a foundation upper inner formwork supporting system and an outer formwork supporting system; the tensioning chamber formwork supporting system comprises vertical rod supports located on the periphery and the center respectively, radial supporting vertical rods are installed on the tops of the vertical rod supports located on the periphery, cross rod supports are installed on the tops of the radial supporting vertical rods, and ring beam radial supporting cross rods used for supporting a tensioning anchoring end bottom die are installed on the tops of the cross rod supports. A center column is installed at the top of the vertical rod support located in the center, a radial horizontal supporting rod is transversely supported on the center column, and a vertical mold support used for supporting a stretching chamber vertical mold is installed at the end of the radial horizontal supporting rod. The foundation upper inner mold supporting system comprises an inner annular steel beam. The supporting structure assists in one-time forming of concrete pouring, and the overall construction quality is guaranteed.

The invention relates to a tubular pile vertical bearing capacity probability analysis method considering the non-uniformity characteristic of a soil body, belongs to the technical field of tubular pile foundation engineering, describes site soil body mechanical parameters by introducing a random field theory, and fully considers the randomness and spatial distribution characteristics of the soil body mechanical parameters. The method comprises the following steps: acquiring a data set of tubular pile size parameters and site soil mechanical parameters, calculating related statistical parameters and a spatial weight matrix, constructing multiple groups of site soil mechanical parameter random fields, calculating the vertical bearing capacity of each group of corresponding tubular piles one by one, and obtaining statistical distribution characteristics of the tubular piles; in this way, the defects of a traditional method in the aspect of considering randomness of mechanical parameters of a soil body are effectively overcome, a new way is provided for accurate evaluation of the vertical bearing capacity of the tubular pile, engineering design and construction can be more reliably served, and the safety and reliability of engineering are improved.

This invention relates to the field of soft soil pile foundation engineering technology, specifically to a photovoltaic pile foundation with FRP-steel honeycomb web and a construction method for solidifying a soft soil bearing layer. The pile foundation includes an FRP-steel honeycomb web photovoltaic pile foundation and a solidified soft soil bearing layer. The bottom of the FRP-steel honeycomb web photovoltaic pile foundation is located in the solidified soft soil bearing layer, and its top is located above the ground. The FRP-steel honeycomb web photovoltaic pile foundation includes a core mold, concrete, and a fiber-wound layer. The core mold includes a cross-shaped steel column and an FRP sleeve. Through holes are provided on the web of the cross-shaped steel column and on the two straight plates of the FRP sleeve. The FRP sleeve is fixed between two adjacent webs of the cross-shaped steel column. The number and position of the through holes on each straight plate of the FRP sleeve correspond to the number of through holes on the web of the corresponding cross-shaped steel column. Concrete is poured inside the FRP sleeve, and the fiber-wound layer is located on the outside of the core mold. This invention reduces the weight and cost of the photovoltaic pile foundation and improves its durability and stability in soft soil areas.

The invention discloses a bionic cross plate tubular pile with the outer wall imitating snake scales, the inner wall imitating tree roots and the bottom end imitating tooth roots and a manufacturing method of the bionic cross plate tubular pile. The bionic cross plate tubular pile comprises a cylindrical tubular pile body, cross plates and tooth root imitating structures. The outer wall of the cylindrical pipe pile is provided with a plurality of snake-scale-imitated protruding structures, and the inner wall of the cylindrical pipe pile is provided with a plurality of tree-root-imitated protruding structures. The cross plate is arranged in the cylindrical pipe pile and divides a circular cavity in the cylindrical pipe pile into four first fan-shaped cavities; the tooth root imitating structure is arranged at the bottom end of the cylindrical pipe pile. According to the invention, the inertia moment of the pile body, the pile end resistance, the pile side friction resistance and the pulling resistance are synergistically enhanced through multiple bionic designs, so that the comprehensive bearing capacity of the tubular pile under the combined action of vertical and horizontal loads is remarkably improved, and a novel solution is provided for pile foundation engineering under complex load and geological conditions.

The invention discloses a pile sinking soil body response prediction regulation and control method based on a physical model, and relates to the technical field of geotechnical mechanics pile foundation engineering, and the method comprises the following steps: constructing an experimental model, arranging a sensor, and operating a loading device to enable the experimental model to sink a pile; according to the model pile sinking process, the soil body response is monitored in real time, and monitoring data are obtained; inverting the dynamic response of the soil body through the PINN inversion model, and coupling the DEM and the FEM to simulate and predict the response of the soil body; and risk control is carried out through a CEI early warning decision-making method. The device and the method are used for solving the problems of incomplete data acquisition, inaccurate simulation and lack of early warning in a traditional open tubular pile soil squeezing model test.

The invention belongs to the field of foundation engineering construction, and provides a building foundation engineering construction method which comprises the following steps: S1, geological improvement, cushion construction and expansive soil treatment; s2, prefabricated foundation components are assembled; s3, intelligent reinforcement cage construction; s4, concrete pouring and curing; and S5, performing quality verification and data archiving. The lime and coal ash mixed curing layer is adopted to inhibit ion exchange expansion, the expansion coefficient of expansive soil is reduced, liquid water permeation is blocked through the breathable film, gaseous water diffusion is allowed, damage to a film body caused by air pressure is reduced, temperature rise and deformation data are fed back in real time through the sensor network embedded in the reinforcement cage, pouring parameters are dynamically adjusted, and the construction quality is improved. A point cloud model is generated through three-dimensional laser scanning, an acceptance report is generated by comparing with BIM design deviation, manual measurement is replaced, the acceptance efficiency is higher, and whole-process intelligent monitoring can be achieved.

The invention relates to the technical field of foundation engineering filling, in particular to a method and system for automatically detecting the compaction settlement amount of a full-automatic heavy compactor, and the method comprises the steps: determining a historical change relation and a current change relation between soil settlement amount data and hammering pressure data detected by the heavy compactor during each hammering; according to the historical change relation, historical change relation curves corresponding to the different soil positions after being beaten by the heavy tamping machine for multiple times are determined, and the historical change relation curves are matched and clustered to obtain multiple sets of historical cluster data; and performing similarity calculation by utilizing the multiple groups of historical cluster data and the current change relationship to obtain target hammering pressure data, and regulating and controlling the heavy tamping machine by utilizing the target hammering pressure data. According to the method for automatically detecting the compaction settlement of the full-automatic heavy compaction machine, the operation progress can be judged and automatically adjusted, manual intervention is reduced, and it is ensured that the construction progress can be efficiently carried out with high quality.

The invention relates to the field of geotechnical engineering and infrastructure engineering informatization, in particular to a cast-in-situ bored pile defect section identification method and system. The method comprises the following steps: acquiring historical construction data, and preprocessing the historical construction data to obtain historical construction multi-source data; dividing the historical construction multi-source data, and carrying out feature extraction on a division result to obtain a plurality of segment-level feature data; performing low-strain detection on a formed pile to obtain defect data, and matching the segment-level feature data with the defect data to obtain a training sample; and constructing a defect prediction model based on the training sample, and identifying the defect section of the cast-in-situ bored pile by using the defect prediction model. The problems that in the prior art, detection lags behind, the sampling inspection coverage rate is limited, and construction quality risks are difficult to intervene in time are solved, and the timeliness and accuracy of pile foundation project quality management and control are improved by associating construction process data with pile inspection waveform information.

The invention provides a fabricated concrete-filled steel tube pier structure, and relates to the technical field of bridge engineering, the fabricated concrete-filled steel tube pier structure comprises a foundation pile, a bearing platform, a cover beam and a column limb, the bearing platform is fixedly arranged at the top end of the foundation pile, and a plurality of first preformed holes are formed in the top of the bearing platform; a plurality of second preformed holes are formed in the bottom of the cover beam; the column limbs are steel pipe concrete column limbs and are arranged between the bearing platform and the cover beam, the bottom ends of the column limbs are arranged in the first preformed holes, and the top ends of the column limbs are arranged in the second preformed holes. Lattice column limbs and standardized lacing parts are prefabricated in a factory, the cast-in-place and maintenance period is remarkably shortened, construction dust and noise pollution are reduced, the formwork turnover difficulty is reduced, the light weight and high strength characteristics of the steel pipe concrete are combined, the high pier pile foundation work amount can be reduced, the hollow lattice structure and the natural environment form visual permeation, and the construction efficiency is improved. The problems that a cast-in-place bridge pier is heavy and landscape is split are solved.

The utility model relates to the technical field of constructional engineering foundations, and discloses a detachable arc-shaped bracket deviation rectifying support device for open caisson construction, which comprises a left-area detachable supporting piece, a right-area detachable supporting piece, a middle-area anchoring piece, a rubber pad, a weighing sensor, a strain sensor, a limiting hole and a balancing weight. Wherein the left-area detachable supporting piece and the right-area detachable supporting piece are vertically inserted and assembled in an open caisson limiting hole through the middle-area anchoring piece, rubber pads are pasted on the contact faces of the left-area supporting piece and the right-area supporting piece and the inner side wall of an open caisson to prevent structural damage, and the top faces of the left-area supporting piece and the right-area supporting piece are each provided with a weighing sensor. A strain sensor is installed on the external slope of the left area supporting piece. The open caisson deviation rectifying support has the advantages of being convenient to disassemble and assemble, high in safety and the like, and the use efficiency of the open caisson deviation rectifying support can be effectively improved.

The present application provides a steel pipe pile vertical bearing capacity estimation method and system, relates to the field of pile foundation engineering technology field, the present application carries out static sounding test to the seabed stratum required to be set for the steel pipe pile foundation, obtains experimental data and carries out normalization processing, divides the soil behavior type, and inverts the soil layer mechanical parameter; based on the soil layer mechanical parameter, the side friction and the end resistance of the steel pipe pile are calculated, and the initial static ultimate bearing capacity is obtained; the historical equivalent cyclic load experimental data of the construction sea area wave are obtained, the equivalent cyclic load reduction coefficient, the liquefaction reduction coefficient and the time-varying corrosion reduction coefficient are constructed, and the comprehensive time-varying reduction coefficient is constructed; based on the comprehensive time-varying reduction coefficient, the initial static ultimate bearing capacity is corrected, the vertical bearing capacity of the steel pipe pile in the long-term service period is predicted, and the time-varying ultimate bearing capacity is obtained; according to the time-varying ultimate bearing capacity, the evaluation threshold is set, the bearing capacity classification threshold interval is dynamically adjusted, and the bearing capacity classification evaluation result is output.

The invention relates to the technical field of fan foundation design, and particularly provides a steel tower drum fan foundation design method based on machine learning, which comprises the following steps: selecting an input variable and an output parameter, and establishing a data set containing the input variable and the output parameter; screening of the machine learning model: delimiting a training set, and performing hyper-parameter optimization of the machine learning model; based on the prediction effect of each group of models in the test set, obtaining the predicted average statistic estimated value and variance of each group of models on the input variable, and establishing a comparison matrix of each group of models; screening out a GBDT algorithm model as an optimal machine learning model based on the weight coefficient and the normalization coefficient obtained by the comparison matrix; and the optimized GBDT algorithm model is improved, and the complete engineering quantity of the high-precision fan foundation is obtained. According to the method, rapid and accurate prediction of the wind turbine foundation engineering quantity is realized, and the method can be applied to rapid estimation of a bidding stage and engineering quantity checking of a design stage, so that a design scheme is optimized, and engineering time and cost are saved.

The invention discloses an offshore wind power foundation design method and system based on the partition progressive stability principle and an offshore wind power foundation, and relates to the technical field of offshore wind power foundation engineering.The method comprises the steps that target site environment parameters, seabed geological parameters and fan unit parameters are obtained, and the design parameter range of a floating body and a built-in foundation is set; based on the partition progressive stability principle, the total overturning moment corresponding to the overall stability constraint under the extreme working condition is distributed to the floating body and the built-in foundation according to the partition distribution coefficient, a floating body restoring moment and built-in foundation anti-overturning moment formula is established, and overall stability, horizontal force and vertical force balance constraint is formed; and with the maximum total restoring moment and the minimum steel consumption as double objectives, target design parameters are optimized and solved by adopting a multi-objective optimization algorithm. Through the torque partition distribution design between the floating body and the built-in foundation, the stable synergistic effect is achieved, the steel consumption per unit megawatt is remarkably reduced to 300 tons or below, and the obvious structural light weight and cost advantages are achieved.

The utility model belongs to the technical field of geological monitoring of constructional engineering, and provides a mounting assembly, a load-bearing underframe, a lifting mechanism and a limiting mechanism, the lifting mechanism and the limiting mechanism are arranged on the load-bearing underframe, the lifting mechanism is provided with a lifting end capable of moving in the vertical direction relative to the test ground, and the limiting mechanism is arranged on the load-bearing underframe. The device is applied to installation of the comprehensive testing device for pore water pressure and layered settlement of soft soil foundation engineering, the testing ends of the testing device can be installed on the testing ground through the lifting mechanism, meanwhile, splicing of the multiple testing ends can be achieved in cooperation with the limiting mechanism, and the whole operation is convenient and rapid.

The invention discloses a V-shaped pier continuous rigid frame non-support construction method, belongs to the technical field of bridge construction, and solves the problem of large occupied space of existing V-shaped pier construction. No floor supporting frame is arranged under the bridge, roads and channels under the bridge are not occupied, and vehicle passing or ship navigation under the bridge is not affected by bridge construction; according to the method, a constructed structure serves as a beam body pouring supporting platform, no support is arranged under a bridge, and therefore the temporary pile foundation engineering amount and the support engineering amount are reduced, the manufacturing cost is greatly saved, and economic benefits are remarkable; compared with an existing hanging basket construction method, the hanging basket construction method does not need a supporting frame, the beam body is poured through a hanging basket cantilever, only the bailey beam is needed, and a hanging basket is not needed. Compared with a bailey beam, the hanging basket is customized, the bailey beam only needs to be leased and assembled, the cost is low, meanwhile, the construction of the hanging basket has certain technical difficulty, and the construction of the bailey beam is relatively low in technical difficulty, small in risk and high in safety.

The invention relates to a method and an arrangement for carrying out construction measures, in particular foundation engineering measures, on a construction site with a number n of construction machines, in particular foundation engineering machines, on which attachment components, in particular construction tools, are fixed in a releasable and changing manner, wherein a number N of attachment components are kept on the construction site, wherein N>n>2. Provision is made in that in a computer unit the number n and the type of construction machines and the number N and the type of attachment components present on a construction site are saved, in that the computer unit has a data connection to the individual construction machines and queries information on the actuators of the individual construction machines, in that depending on the information received the computer unit ascertains which attachment component is fixed on the individual construction machine, and in that the computer unit ascertains and indicates which attachment components are freely available on the construction site.

The present application relates to the pile foundation engineering detection technical field, disclose a kind of pile foundation ultimate bearing capacity detection, this method is by arranging multiple sensor array at pile top, vibration, displacement, soil pressure multi-source signal is synchronously collected, 2Dstack data fusion strategy is used to carry out pretreatment, in combination with the optimized and corrected Heili piling formula and 2Dstack-CNN deep learning model, realize the accurate calculation of pile foundation ultimate bearing capacity.The present application has high detection precision, small bearing capacity detection error, defect positioning error ≤±0.15m;High detection efficiency, single pile detection time 2-3 hours, more than 80% than static load test;Nondestructive and strong adaptability, suitable for in-service pile foundation, complex geology and large-diameter pile foundation;High degree of intelligence, without manual waveform interpretation;Detection cost is reduced by more than 50% compared with traditional method, with very high engineering application value.