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64 results about "Diastrophism" patented technology

Diastrophism is the process of deformation of the Earth's crust which involves folding and faulting. Diastrophism can be considered part of geotectonics. The word is derived from the Greek διαστροϕή diastrophḗ 'distortion, dislocation'.

Hydraulic engineering vertical water stop structure and manufacturing and construction method thereof

The invention discloses a hydraulic engineering vertical water stop structure and a manufacturing and construction method of the hydraulic engineering vertical water stop structure. The water stop structure comprises a red copper piece, a steel channel and a fixing device, wherein one side edge of the red copper piece is preburied in first-stage concrete, the other side edge of the red copper piece protrudes out of the fracture surface of the concrete and is arranged in an opening of the steel channel, and the red copper piece stretches into the steel channel by a certain depth; the portions, on the two sides of the red copper piece, of the opening face of the steel channel are provided with bituminous felt, and the portions, on the two sides of the red copper piece, of the fracture surface of the first-stage concrete are provided with bituminous felt; one end of the fixing device is preburied in the first-stage concrete, the other end of the fixing device is arranged on the two sides of the steel channel, the steel channel is fixed to the fracture surface of the first-stage concrete through band iron and nuts, after the steel channel is filled with maltha, the protruding part of the fixing device is cut, and then the steel channel is poured in second-stage concrete. The problem of water seepage caused by differential settlement or diastrophism of stratums in hydraulic engineering can be solved, manpower can be saved, and the construction period can be shortened.
Owner:宋振利

Tunnel anti-seismic supporting system suitable for high seismic intensity area crossing faults

The invention discloses a tunnel anti-seismic supporting system suitable for high seismic intensity area crossing faults, and relates to the field of tunnel supporting. The supporting system comprises a common supporting section, a grouting transition section and an anti-seismic supporting section, wherein the grouting transition section joints the common supporting section to the anti-seismic supporting section; the anti-seismic supporting section comprises a top arch anti-seismic structure and a bottom arch anti-seismic structure, wherein the top arch anti-seismic structure comprises a primary supporting anti-seismic layer, a secondary lining anti-seismic outer layer, a steel plate mould, a damping spring, a rubber cushion layer and a secondary lining anti-seismic inner layer; the primary supporting anti-seismic layer and the secondary lining anti-seismic outer layer are arranged on the inner side of a surrounding rock in sequence, the rubber cushion layer is embedded in the middle of the inner side of the secondary lining anti-seismic outer layer, and the steel plate mould and the damping spring are arranged at two ends between the secondary lining anti-seismic outer layer and the secondary lining anti-seismic inner layer. The supporting system eliminates the influence of diastrophism and displacement of relatively big crossing faults on the internal force of the supporting structure and further improves the anti-seismic property of a tunnel, and multiple unit bodies can be select and adopted to combine according to actual conditions.
Owner:SOUTHWEST JIAOTONG UNIV +1

Method and device for reconstructing lithofacies paleogeography

ActiveCN105549116APaleogeographic reconstructions are real and reliableGeological measurementsLithologyDenudation
The invention provides a method and device for reconstructing lithofacies paleogeography. The method includes the following steps that: the exploration data of strata are obtained, stratum denudation and lacuna recovery are performed on the strata according to the exploration data, the thickness of strata which have been subjected to exposure denudation transformation is recovered, wherein the exploration data at least contain outcrop data, drilling data and seismic data; spatial homing is performed on the distribution and thickness of each stratum according to a volumetric balance principle, so that true distribution features of each stratum in the depositional stage can be determined; spatial homing is performed on lithological characteristics and sedimentary facies in drilling and outcrops according to the true distribution features of each stratum in the depositional stage; a recovered lithofacies paleogeographic map is constructed according to a regional background based on the lithological characteristics and sedimentary facies after spatial homing; and based on a tectonic evolution process, the distribution rule features of ithofacies which have been subjected to a plurality of stages of diastrophism according to the recovered lithofacies paleogeographic map by using sedimentation process forward modeling.
Owner:PETROCHINA CO LTD

Simulation test device and simulation test method for mechanical behavior characteristics of cross-fault tunnel roadway under different burial depths and different tectonic stresses

The invention discloses a simulation test device and a simulation test method for mechanical behavior characteristics of a cross-fault tunnel roadway under different burial depths and different tectonic stresses. The simulation test device comprises a support frame, a loading hopper, a guide rail, a sliding block, a bidirectional power system and a confining pressure loading system. A confining pressure loading system for simulating overlying formation pressure and horizontal tectonic stress is provided for surrounding rock materials in a fixed hopper and a movable hopper. Meanwhile, a bidirectional power system, a guide rail and a sliding block are matched, so that the movable hopper can move in the horizontal direction and the longitudinal direction, complex engineering environment simulation of different burial depths, different tectonic stresses and fault composite diastrophism is achieved, and simulation of tunnel and roadway mechanical behavior characteristics in the environmentis achieved. According to the invention, the engineering actual situation can be restored more truly, the research accuracy of the mechanical behavior characteristics of the cross-fault tunnel roadwayunder the deep high ground stress condition is improved, and the problem that the existing physical model box cannot simulate the influence of the overlying stratum pressure and the tectonic stress on the tunnel roadway is solved.
Owner:SICHUAN UNIV

Concrete gravity dam deformation optical fiber sensing monitoring technology and concrete gravity dam deformation optical fiber sensing monitoring system

The invention discloses a distribution-type optical fiber sensing system and a technical scheme, which are used to realize integrated on-line remote measurement of dam body-batholith internal deformation three components of a gravity dam, a dam body joint, and diastrophism, cracking, and extrusion of a bedrock tectonic belt, and is used to realize dam multidimensional-large scale spacetime full coverage. A plate-shaped beam of a novel optical fiber packaging structure---narrow rectangular section is provided, and the tension-compression sides of the plate-shaped beam are provided with microtubes to form an Euler elastic beam, and then the force-light direct conversion of the optical fiber is realized. An arrangement type of a sensing system in the gallery and the vertical shaft of the dam-bedrock, the comprehensive use of the sensing system, and an optical fiber laying technology are provided. The multifunctional integration of the optical fiber monitoring is achieved, construction is facilitated, the survival rate of the optical fiber is guaranteed, and application is convenient. An optical signal demodulation device adopts a high precision PPP-BOTDA or a hybrid Brillioun-Rayleigh system, and is multifunctional for being used for projects of monitoring a concrete temperature-reservoir water temperature, a slit position in front of a dam(factory), and a reservoir slit, and other optical fiber monitoring projects, and therefore upgrading and updating of a safety monitoring system are prompted.
Owner:SICHUAN UNIV

Method for quantitative description of strike-slip displacement of fault in extension environment

The invention, which belongs to the technical field of geological prospecting, provides a method for quantitative description of strike-slip displacement of a fault in an extension environment. With the method provided by the invention, quantitative description of strike-slip displacement values of a fault at different geological historic periods can be realized. The method comprises the following steps: selecting a research area, calibrating a position based on geological data and carrying out position explanation, identifying a fault according to a seismic response characteristi8c of the fault, screening normal slip faults out, and carrying out normal slip fault explanation by using a plurality of fault points at different seismic sections; carrying out meshing processing on the data of a plurality of fault points corresponding to the same normal slip fault to obtain a three-dimensional curved surface and combining the three-dimensional curved surface of a plurality of normal slip faults to form a normal-slip-fault three-dimensional model; and scanning the stratum of the research area layer by layer to obtain horizontal slices, superposing the horizontal slices with the normal-slip-fault three-dimensional model to obtain a slice combination graph, selecting the normal slip faults with seismic diastrophism at the stratum at two sides of the fault in the slice combination graph, and using seismic diastrophism displacement values of the stratum at two sides of the fault for representing the strike-slip displacement value of the fault.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Active fault spanning aseismic structure and construction method thereof

The invention relates to an active fault spanning aseismic structure and a construction method thereof. A damping ring is arranged in the surrounding rock of the lining structure at a fault fracture zone, the lining structure is located in the inner round of the damping ring, and a certain spacing distance exists between the lining structure and the damping ring; left, right and upper sides of thetunnel cross section at the fault fracture zone are expanded relative to the tunnel cross section of the stable section; the lining structure penetrating through the fault fracture zone is of a vertical segmental structure, and two adjacent lining segments are connected through a folded flexible joint in the deformation joint. The damping ring is adopted to weaken the earthquake action, and partsof seismic wave energy is absorbed to consume and reduce the earthquake energy; the whole lining structure is converted to the lining segment from, flexible chaining connection capable of bearing large deformability between the two adjacent lining segments is adopted, so that the staggered displacement is mainly absorbed by the flexible chaining connection, and the earthquake resistance and damping performance of the tunnel structure is improved. According to the structure, earthquake resistance and diastrophism resistance are combined, and the whole safety of a tunnel can be greatly improved.
Owner:SOUTHWEST JIAOTONG UNIV

Anti-crack-type hinged tunnel used for crossing movable fault zone and application thereof

The invention provides an anti-crack-type hinged tunnel used for crossing a movable fault zone and application thereof. The tunnel structure comprises a primary lining, section inner linings and annular flexible hinges between the adjacent section inner linings, and the annular flexible hinges are arranged at different intervals in a fault broken zone section and a fault broken zone affected section. Prestress steel bars are annularly arranged in the section inner linings of the tunnel, the annular flexible hinges are composed of corrugated steel pipes, rubber cushion layers, steel bar nets and flexible anti-crack concrete layers from the inner wall of a tunnel lining outwards. The corrugated steel pipes and the section inner linings are connected through the prestress steel bars. The tunnel waterproof effect is ensured through multi-layer waterproof measures, and PVC waterproof plates, geomembranes and back-attached-type water stop straps are included. An ultrahigh-toughness cement-based composite material is selected for the flexible anti-crack concrete layers and has good anti-permeability and durability. A diastrophism quantity generated by a movable fault is met, the safety ofthe tunnel crossing the movable fault is ensured, local damage to the annular flexible hinges is easy to rapidly repair, and the normal using function of the tunnel can be ensured after diastrophismof the movable fault.
Owner:BEIJING UNIV OF TECH

Hydraulic tunnel structure spanning large-scale active fault zone

The invention relates to a hydraulic tunnel structure spanning a large-scale active fault zone and belongs to the technical field of water conservancy and hydropower application. According to the technical scheme, the hydraulic tunnel structure comprises an active fault spanning section, a buried type steel penstock section with two connected ends and an overhaul tunnel communicated with the active fault spanning section in the longitudinal direction of a tunnel, a combined type lining structure is adopted in the active fault spanning section, the active fault spanning section is composed of an outer layer structure and an inner layer structure in the radial direction of the tunnel, the outer layer structure comprises a one-stage annular support and a one-stage annular lining on the outer side in the radial direction, the one-stage annular support and the one-stage annular lining are of reinforced concrete lining structures, and the inner layer structure comprises a combined lining structure with steel pipes and corrugate telescopic joints, wherein the steel pipes and the corrugate telescopic joints are connected in series alternatively. The hydraulic tunnel structure spanning the large-scale active fault zone is safe and convenient to construct, has the good seismic capacity and the capacity for resisting large-scale fault creep diastrophism damage and is high in safety.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Geotextile bag shock absorption and vibration isolation building foundation, and construction method and application thereof

ActiveCN101914922AGood shock-absorbing and shock-isolation effectEasy constructionProtective foundationSocial benefitsReinforced concrete
The invention provides a geotextile bag shock absorption and isolation building foundation and a construction method thereof. The foundation consists of a geotextile bag, geotextile bag pier foundation, a geotextile bag strip foundation, a geotextile bag raft foundation and a terrace, wherein geotextile bags are horizontally and longitudinally staggered and stacked layer by layer under the terrace in the sequence of the pier foundation under the column, the strip foundation under the wall and the raft foundation under the house of the building foundation; and clearances among the geotextile bags are filled up and tamped; and reinforced concrete or other material protective layer and the like is spread on the terrace. When an earthquake happens, earthquake waves are reflected and refracted between the insides of the geotextile bags and the geotextile bags; and the flexible deformation of the geotextile bags and the friction movement among soil particles inside the geotextile bags as well as the friction diastrophism among the geotextile bags consume the energy of the earthquake waves, and the earthquake waves are isolated due to the discontinuity among the geotextile bags. The method has the advantages of good shock absorption and vibration isolation effects, simple construction, economy, and remarkable economic and social benefits.
Owner:HOHAI UNIV +1

Low-angle dip stratified rock mass misfire-detonation-preventing blasting method

ActiveCN109737846AJudging the distributionDrawn preciselyBlastingInitiation pointDetonation
The invention provides a low-angle dip stratified rock mass misfire-detonation-preventing blasting method. Due to geological forecast and drilling process recording, a rock stratum distribution figureof a blasting area is drawn; quincunx hole distribution is adopted, the bottoms of adjacent blast holes are drilled in different rock stratum faces, and meanwhile, a certain number of empty holes aredistributed in the blasting area; hole openings and the hole bottoms are each provided with an initiation point, a detonating cord penetrates through whole powder charge, the cartridge joint avoids the rock stratum interface, and it is guaranteed that upper and lower layer cartridges are in close contact and are on one straight line; and a quincunx or V-shaped initiation manner is adopted for performing initiation. According to the low-angle dip stratified rock mass misfire-detonation-preventing blasting method, by improving the charge structure and optimizing the initiation manner, the problem that in the blasting process of a low-angle dip stratified rock mass, due to the mutual diastrophism of the rock stratum, the misfire-detonation problem of explosives is caused can be solved, the boulder yield of hard rock stratum blasting is reduced, under excavation of a foundation surface is avoided, the safety of a blasting network is improved, and fast construction is facilitated.
Owner:WUHAN UNIV +1

Connecting device for U-shaped steel bracket

A connecting device for a U-shaped steel bracket belongs to the technical field of coal mine tunnel supporting. The connecting device comprises a top cover, a base and a W-shaped elastic strip fastener, wherein the top cover is corresponding to an outer lapping side arc-shaped beam, the base corresponds to an inner lapping side arc-shaped beam, the top end of the W-shaped elastic strip fastener corresponds to the base, the tail end of the W-shaped elastic strip fastener corresponds to the top cover, and the W-shaped elastic strip fastener is fixed on the top cover through a bolt. Two slopes are arranged on the base and are symmetrically arranged, and a limiting hole is formed in the tail end of each slope; the end parts of two supporting arms of the W-shaped elastic strip fastener are set to be of hook-shaped structures which correspond to the limiting holes. According to the invention, the traditional clamp cable connecting method is abandoned, the W-shaped elastic strip fastener is adopted as a limiting member and composure control is realized through the W-shaped elastic strip fastener, when compact ground pressure is encountered, the movement of two sets of connecting devices along with the respective arc-shaped beams fixedly connected with the two sets of connecting devices is realized in the mutual diastrophism process of the two adjacent arc-shaped beams, and the failure of connection at the connecting part of the two adjacent arc-shaped beams is avoided, so that the stability of connection is guaranteed.
Owner:LIAONING TECHNICAL UNIVERSITY

Novel method for searching large-range unstable fracture diastrophism surface of stope in complex environment

PendingCN110851983AConvergence speed is not involvedDo not involve prematurityDesign optimisation/simulationFracture DislocationsClassical mechanics
The invention discloses a novel method for searching a large-range unstable fracture diastrophism surface of a stope in a complex environment. The method comprises: taking the maximum shear strain increment in numerical analysis as a criterion (combining a stress-displacement result), and searching the position of a series of maximum shear strain increment maximum value coordinates arranged in thesection in the vertical line direction before numerical calculation by compiling an FISH language program; obtaining discrete points of a fracture dislocation surface, performing linear fitting on coordinates of each discrete point by using an improved least square method to obtain a two-dimensional form and a position of the fracture dislocation surface, finally outputting and storing each coordinate of the form and the position of the fracture dislocation surface as a .TXT text format, and automatically obtaining a three-dimensional fracture dislocation surface form by using Sigmaplot drawing software. According to the method, the result obtained through the numerical analysis method is directly searched through programming, the convergence speed or premature problem is not involved, the obtained result is high in precision, the final fracture dislocation surface is in a three-dimensional form, and a theoretical basis can be provided for later stope grouting reinforcement and stopemining.
Owner:XIANGTAN UNIV

Secondary lining for preventing stick slip diastrophism of active fault spanning tunnel and construction method of secondary lining

The invention discloses a secondary lining for preventing stick slip diastrophism of an active fault spanning tunnel and a construction method of the secondary lining. The secondary lining is of a main structure that the part outside a support vertical rack (7) in a reinforced concrete layer is taken as an opening layer (1); the part inside the support vertical rack (7) is taken as an inner layer (3); the thickness ratio of an inner layer (3) to the opening layer (1) is (1-1.8):1; longitudinal hollow tubes (2) are inserted into the opening layer (1); the ratio of the diameters of the hollow tubes (2) to the thickness of the opening layer (1) is (0.5-0.7):1; the hollow tubes (2) are arranged in the annular direction of the opening layer (1) at equal intervals; a radial grouting tube (4) is pre-buried between the inner wall of the inner layer (3) and the hollow tubes (2). By adopting the secondary lining, fault stick slip diastrophism can be prevented, the damage caused by fault diastrophism to a tunnel can be reduced, the seismic capacity of the tunnel can be effectively increased, and damage caused by fault stick slip diastrophism can be prevented; moreover, the secondary lining can be rapidly repaired after being damaged, the tunnel can be rapidly repaired, and the repairing cost is low.
Owner:SOUTHWEST JIAOTONG UNIV

Landfill anti-leakage layer with intelligence-driven self-repairing function and self-repairing anti-leakage method thereof

ActiveCN108130921AOvercoming the problem of plugging new landfill leachateOvercoming pollutionProtective foundationEngineeringLarge deformation
The invention discloses a landfill anti-leakage layer with an intelligence-driven self-repairing function and a self-repairing anti-leakage method thereof. The landfill anti-leakage layer includes multiple self-repairing rods and an anti-leakage base layer; the self-repairing rods are distributed in the anti-leakage base layer; each self-repairing rod includes multiple intelligent driving switches, a first hollow rod and a second hollow rod, each second hollow rod is positioned in the corresponding first hollow rod and is coaxial with the corresponding first hollow rod, the spacing between each first hollow rod and the corresponding second hollow rod is filled with a repairing solution, each second hollow rod is filled with liquid stimulating solidification of the repairing solution, and the intelligent driving switches are positioned on the side walls of the first hollow rods. The landfill anti-leakage layer and the self-repairing anti-leakage method can prevent leakage, caused by small cracks, of leachate of a new landfill and also can block up large cracks generated by diastrophism of the anti-leakage layer due to large deformation after an earthquake, and therefore pollution ofthe leachate is prevented.
Owner:武汉投知家信息科技有限公司

Construction method of vertical waterstop structure for expansion joints in concrete engineering

The invention relates to a waterproof device for underground (underwater) buildings, in particular to a construction method of a vertical waterstop structure for expansion joints in concrete engineering. The vertical waterstop structure comprises a transformable plate and a steel channel and is characterized in that the transformable plate is arranged longitudinally, one half of the transformable plate is pre-buried in primary concrete while the other half of the transformable plate protrudes out of a concrete section to be arranged in an opening of the rectangular steel channel, and the steel channel is provided with fixing parts and internally filled with maltha; an open face of the steel channel and the primary concrete section are provided with asphaltic felts on two sides of the transformable plate, the exposed fixing parts are demounted after cooling of the maltha, and then secondary concrete is poured. By the construction method of the vertical waterstop structure for the expansion joints in concrete engineering, the problem of water seepage caused by differential settlement or diastrophism of stratums in hydraulic engineering can be solved, and labor cost can be saved while construction period can be shortened.
Owner:中康建设管理(集团)股份有限公司
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