77results about "Gravity dams" patented technology

The present application belongs to the technical field of mass concrete construction, and aims to solve the problem of high thermal resistance and slow heat dissipation of traditional cooling pipe laminar bottom layer, and discloses a gravity dam construction cooling water pipe based on destruction of laminar bottom layer and a method thereof. The cooling water pipe comprises a plurality of series water pipe units, each water pipe unit comprises a steel pipe, a flexible spring hose is arranged in the steel pipe, and the spring hose forms a spiral protruding turbulence structure along the inner wall of the steel pipe; the hose is fixed by pointwise anchoring and outer wall surface bonding with glue, and a ring is arranged at both ends for limiting and assisting turbulence. The present application breaks through the thermal resistance of laminar bottom layer, greatly improves the hydration heat conduction efficiency, is convenient to construct and has durable structure, and is suitable for mass concrete temperature control requirements.

The invention belongs to the technical field of gravity dam construction, and provides an assembled concrete cooling pipe structure and method for gravity dam construction. The cooling pipe is composed of a plurality of pipe body units connected in series, and lining pieces are arranged in metal pipes of the pipe body units. The lining piece and the elastic steel sheets form a criss-cross cage type structure through the strip-shaped plates, the strip-shaped plates are provided with pitted surfaces and notches, the steel sheets can stretch out and draw back to achieve variable-diameter adjustment, and water flow can be forced to generate turbulent flow to damage the laminar flow bottom layer. The method comprises the steps of raw material pretreatment, notch and pitted surface machining, lining piece assembling, metal pipe assembling and fixing and pipe body unit series connection. The structure is stable, manufacturing is convenient, boundary layer thermal resistance can be reduced, heat transfer efficiency is improved, concrete temperature cracks are reduced, and the gravity dam construction requirement is met.

The invention provides a digital twin hydraulic engineering operation and maintenance monitoring system and method based on multi-modal data, and belongs to the technical field of hydraulic engineering and digital twin. The method comprises the following steps: determining a plurality of sub-unit systems of a target water conservancy project to be monitored, and constructing a corresponding digital twin sub-model for each sub-unit system to obtain a digital twin engineering model of the target water conservancy project; acquiring multi-modal historical monitoring data related to the target water conservancy project; based on the multi-modal data, determining a construction environment of a digital twinborn model; mapping each digital twinning sub-model to a construction environment, and running a digital twinning engineering model; and acquiring multi-modal real-time monitoring data related to the target water conservancy project in real time, inputting the multi-modal real-time monitoring data into the digital twin engineering model, and performing operation and maintenance monitoring on the target water conservancy project. According to the method, the rigid-flexible container adaptive model is adopted, so that the cloud resource calling cost can be reduced while the visual operation and maintenance of the water conservancy project are realized and the monitoring efficiency and accuracy are improved.

The invention provides a gravity dam crack control construction device and process based on strain gradient construction, and belongs to the technical field of gravity dams. The construction device comprises an outer pipe assembly and an inner pipe assembly used in cooperation with the outer pipe assembly. The technology comprises the steps of S1, construction preparation, S2, foundation treatment, S3, formwork steel bar installation, S4, outer pipe assembly installation, S5, concrete pouring, S6, hole cavity construction, S7, inner pipe assembly positioning and installation, S8, outer layer stress absorbing material filling, S9, inner pipe assembly pipe drawing and S10. And filling an inner-layer stress absorbing material to construct a concentric circle type strain gradient structure. A traditional'strong constraint 'anti-cracking thought is broken through, an active anti-cracking mode of'stress absorption + gradient buffering' is turned, two layers of materials can more uniformly share loads through a gradient conduction mechanism, the overall energy consumption efficiency is improved, the anti-cracking effect is more remarkable, the structural durability is enhanced, and the method is particularly suitable for construction of high dams and gravity dams under complex geological conditions and has a wide application prospect. And the method has obvious engineering application value.

The invention discloses a concrete gravity dam structure with a cavity and a construction method thereof, and belongs to the technical field of water conservancy and hydropower engineering. The structure comprises a dam body, an anti-sliding structure, a weight reduction cavity and a gallery structure. The dam body is composed of a dam foundation arranged in the rock mass and a dam body poured on the dam foundation. The anti-sliding structure is a concrete anti-sliding plug which is formed at the bottom of the dam foundation and embedded into the bedrock. The weight reduction cavity is formed in the dam body in the axis direction of the dam. The gallery structure comprises a plurality of galleries arranged along the axis of the dam, a dam foundation grouting curtain is arranged at the bottom of the upstream gallery, and drainage structures are arranged in the galleries. By arranging the cavity in the dam and the steep dam slope, the using amount of concrete can be obviously reduced; an anti-sliding plug is used for providing passive anti-sliding force instead of resisting sliding force through dam foundation anti-sliding force generated between the self weight of a common gravity dam and a dam foundation rock mass, and meanwhile, a pre-stressed anchor cable constructed from a corridor is used for actively reinforcing and adjusting pre-tightening force so as to regulate and control dam foundation stress, so that the requirement of the dam foundation stress is met; seepage is controlled by combining a curtain and a drainage system. On the premise that the safety and stability of the dam body are guaranteed, the construction cost is effectively reduced, and remarkable economical efficiency and technical advantages are achieved.

The utility model provides an anti-scouring concrete dam body structure, which relates to the field of concrete dam bodies and comprises a concrete dam body, an anti-scouring mechanism is arranged on the inclined surface of the concrete dam body, and a reinforcing mechanism is arranged on the inclined surface of the concrete dam body. According to the utility model, when water flows to the inclined plane of the concrete dam body, the water flows scour the outer walls of the wave-shaped anti-scour stones, the water flows are buffered through the arrangement of the wave-shaped anti-scour stones, and the situation that the water flows directly scour the inclined plane of the concrete dam body is reduced through the laying of the anti-scour frame; the impact force generated when water flow scours the inclined face of the concrete dam body is relieved through the arrangement of wave-shaped anti-scouring stones, then the anti-scouring performance of the concrete dam body is improved, and the impact force generated by the water flow is supported through a first reinforcing block, a first trapezoidal supporting plate, a second reinforcing block and a second trapezoidal supporting plate; the stability of the anti-scouring frame after laying is improved, and the impact resistance effect of the anti-scouring frame is improved.

The layered water taking system based on the gravity dam comprises a vertical shaft, three vertical shaft type water taking openings are sequentially formed in one side of the upstream of the vertical shaft, the three vertical shaft type water taking openings are arranged according to the dead water level and the normal water storage level elevation of a reservoir, and the three vertical shaft type water taking openings are each provided with an overhauling mechanism. The layered water taking system based on the gravity dam solves the problems that an existing conventional maintenance system of the gravity dam depends on a single valve form, when a valve breaks down, a reservoir needs to be emptied for maintenance, and water taking continuity is seriously affected, and later maintenance is facilitated.

The invention provides a fishway and dam integrated device integrating multi-depth entrances and exits and multi-direction water replenishing and fish luring and an operation method, and belongs to the technical field of fishways. The device comprises a gravity dam section, a stepped fishway integrated in the gravity dam section and a water replenishing pipeline pre-buried in a wall body of the gravity dam section; the upstream side and the downstream side of the gravity dam section are provided with multi-elevation entrances and exits and matched gates respectively, a fishway bottom plate and partition plates of the stepped fishway are distributed in a stepped mode, and the water supplementing pipeline is provided with multi-direction water supplementing sprayers around the fishway entrance. According to the operation method, through cooperative opening and closing of multi-depth inlets and outlets, multi-direction and multi-flow-speed fine regulation and control of water supplementing nozzles, stepped fishway energy dissipation and flow aiding and dam water retaining mode switching, fishway and dam structure function integration is achieved. Extra land acquisition and pouring are not needed, the engineering cost and construction difficulty are reduced, the method can adapt to dynamic changes of the water level of the reservoir, migration depth preferences of different fishes are considered, the fish luring and passing efficiency is improved, and the fish passing window period is prolonged.

The application discloses a method for precisely controlling construction quality of a roller compacted concrete interlayer, which comprises the following steps: S1, roller compacted concrete test preparation, determining a test site and a roller compacted concrete test block size, and dividing areas of the test block; S2, a roller test process, layer-by-layer rolling of the test block, and obtaining maturity results of different interlayer joints of the test block; S3, curing and coring of the roller compacted concrete test block, and obtaining test result data of the core sample; S4, analyzing tensile and compressive results of the core sample, and obtaining analysis conclusions of the tensile and compressive results of the sample; S5, according to S2 to S4, formulating control standards and treatment measures of the roller compacted concrete interlayer joints in different months; S6, in a roller compacted concrete dam construction process, corresponding treatment measures are carried out according to the control standards and treatment measures of the roller compacted concrete interlayer joints in different months; and S7, after the roller compacted concrete dam construction is completed, construction quality is checked and results are verified. The application can improve pouring quality of the roller compacted concrete.

The application belongs to the technical field of gravity dam construction, and proposes an assembled concrete cooling pipe structure and method for gravity dam construction. The cooling pipe is composed of a plurality of series-connected pipe body units, and a metal pipe of the pipe body unit is provided with an inner lining piece; the inner lining piece forms a longitudinal and transverse interlaced cage structure through a strip-shaped plate and an elastic steel sheet, the strip-shaped plate is provided with a rough surface and a notch, the steel sheet can be stretched and contracted to realize diameter adjustment, and can forcibly generate turbulent flow to destroy the laminar flow bottom layer. The method includes raw material pretreatment, notch and rough surface processing, inner lining piece assembly, metal pipe assembly and fixation, and pipe body unit series connection. The application has stable structure, convenient manufacturing, can reduce the boundary layer thermal resistance, improve the heat transfer efficiency, reduce the concrete temperature cracks, and is suitable for the construction requirements of gravity dam.

The present invention proposes a construction device and process for controlling cracks in a gravity dam based on the construction of a strain gradient, belonging to the field of gravity dam technology. The construction device includes an outer tube assembly and an inner tube assembly used in conjunction with the outer tube assembly; the process includes S1. Construction preparation, S2. Foundation treatment, S3. Installation of formwork reinforcement, S4. Installation of the outer tube assembly, S5. Concrete pouring, S6. Hole construction, S7. Positioning and installation of the inner tube assembly, S8. Filling the outer layer with stress-absorbing material, S9. Pulling out the inner tube assembly, and S10. Filling the inner layer with stress-absorbing material creates a concentric strain gradient structure. This invention breaks away from the traditional "strong constraint" crack resistance approach and turns to an active crack resistance mode of "stress absorption + gradient buffering." The gradient conduction mechanism allows the two layers of material to share the load more evenly, improving overall energy efficiency, achieving a more significant crack resistance effect, and enhancing structural durability. It is particularly suitable for the construction of high dams and gravity dams under complex geological conditions, and has significant engineering application value.

The utility model discloses a shoreside flood discharge arrangement structure of a gravity dam, and belongs to the technical field of hydropower station engineering. The structure comprises a gravity dam, a power plant behind the dam is arranged on a riverbed at the downstream of the gravity dam, the power plant behind the dam is connected with a water retaining dam section of the gravity dam through a water diversion system, and a shoreside flood discharge building and a diversion building which drain upstream water of the gravity dam to the downstream are arranged on the shoreside of the gravity dam. The power plant behind the dam is arranged on a riverbed on the downstream of the gravity dam, namely the power plant behind the dam is a riverbed type plant, and meanwhile, the shoreside flood discharge building and the diversion building are arranged on the shoreside of the gravity dam, so that the arrangement of a shoreside water diversion and power generation system and a large-span underground power plant is avoided by adopting the hub arrangement pattern or mode; and the engineering investment is greatly saved.

The application provides a dike reinforcing structure and a construction method thereof. The dike reinforcing structure is characterized by the following steps: setting a left reinforcing column and a right reinforcing column to support the dike structure; setting a first left pad plate, a first right pad plate and a horizontal steel plate to form a U-shaped fixing groove in cooperation with a first vertical plate and a second vertical plate; setting a reinforcing steel plate in the U-shaped fixing groove; and reinforcing the reinforcing steel plate by using a left reinforcing rod and a right reinforcing rod to form a stable dike reinforcing system.

The utility model provides a kind of support platform for dam body bracket concrete construction, belong to dam reinforcement construction technical field, comprising: concrete thickening layer, steel formwork, triangular support frame, adjustable support piece.The utility model, by design concrete thickening layer, steel formwork, triangular support frame and adjustable support piece, concrete thickening layer improves the strength of concrete gravity dam to some extent, and provides the basis for the installation of steel formwork, avoid the damage caused by direct anchoring on original dam body, moreover, the height of steel formwork, triangular support frame design is lower than the bracket bottom mould of pre-pouring reinforced bracket, and adjustable support piece is used to support the bracket bottom mould of pre-pouring reinforced bracket, when disassembling the bracket bottom mould of pre-pouring reinforced bracket in later period, it is very convenient, and triangular support frame forms processing platform, processing platform is used as construction operation passageway, for personnel walking and temporary storage of light material and tool, guarantee the safe operation of construction personnel.

This invention proposes a method for treating seepage in transverse joints of concrete gravity dams, belonging to the field of water conservancy and hydropower engineering. The method includes the following steps: First, a first composite seepage interception layer is constructed at the transverse joint on the upstream dam face. This first composite seepage interception layer consists of a plastic water-stopping material embedded in the U-shaped groove of the transverse joint and a polyurea elastic coating covering the dam face and the transverse joint. Second, a second elastic water-stopping seepage barrier is constructed between the two water-stops at the dam crest. This second elastic water-stopping seepage barrier consists of a water-soluble polyurethane grout solidified and injected into boreholes along the joint. Third, a third drainage channel is constructed downstream of the second water-stop. This third drainage channel consists of drainage holes along the joint that penetrate the transverse joint to the lower gallery. This invention adopts a three-in-one technical concept of "interception-blocking-drainage." The upstream dam face intercepts and prevents reservoir water from directly entering the joint surface; the middle water-stop seals the seepage channels inside the transverse joint; and the downstream drainage holes drain residual seepage from the transverse joint. These three lines of defense work together to form a complete and reliable seepage prevention system.

The invention discloses a finite element analysis method for reducing concrete tensile stress through a transverse joint grouting measure. Comprising the following steps that a concrete gravity dam discharge dam section and foundation model is established, finite element software is imported, and numerical simulation parameters are set; grid division is carried out on the model, and grids in the runner are encrypted; constraint and load are applied, elastic support is applied to the side surface of the dam section, and transverse joint grouting measures are simulated; and solving the model by using finite element software, and evaluating stress results of an inlet section, a gate slot section and a breast wall section of the discharge dam section. The device has the advantages that elastic support is applied to the side surface of the dam section, and the effect of transverse joint grouting measures on the dam section is simulated. Quantitative calculation results show that transverse joint grouting measures can increase the lateral rigidity of the dam section, improve the stress state of concrete and reduce the tensile stress of the concrete in the flow channel, so that the use amount of steel bars in the flow channel is reduced, and the method is safe, economical and convenient to construct.

A high-pressure jet grouting construction method for a concrete cutoff wall for a dam, comprising the following steps: S1, determining a cutoff wall method; S2, determining a cutoff wall location; S3, optimizing a cutoff wall construction procedure; and S4, performing cutoff wall joint treatment. The construction method employs a series of operations to determine whether a cutoff wall method is feasible; extending a seepage path to reduce a hydraulic gradient when the hydraulic gradient does not meet requirements; optimizing a cutoff wall location by moving the cutoff wall to an upstream side of a dam body; constructing the dam body and the cutoff wall at the same time without mutual interference to accelerate construction progress; and performing cutoff wall cap casting before constructing the high-pressure jet grouting cutoff wall, thereby saving time spent on working platform excavation and secondary backfill, saving construction costs, and reducing the duration of construction.

In a method for relieving the pressure on a main dam (1) of a dam assembly (13), wherein the dam assembly (13) comprises a main dam (1) for impounding a reservoir, a relief wall (5) is constructed downstream of the main dam (1), which has a lower height than the main dam (1), wherein a relief lake (6) is formed between the main dam (1) and the relief wall (5) such that the resulting hydrostatic pressure forces on the main dam (1) are reduced.

The invention relates to the technical field of construction of roller compacted concrete gravity dams in water conservancy and hydropower engineering, in particular to a construction method for continuous multi-dam-section rapid pouring of dam foundation cushion layer concrete of a roller compacted concrete dam. According to dam foundation cushion concrete, by means of measures of building a road in advance, directly replacing traditional bamboo plywood with asphalt cedarwood boards for formworks and the like, the situation that in the conventional pouring process, damage and pollution are caused to a dam section foundation surface due to the fact that an automobile enters a warehouse through adjacent dam sections, and then the foundation surface is cleaned repeatedly is reduced; compared with the tedious procedures of one-bin cleaning, one-bin checking and accepting, one-bin pouring and one-bin re-cleaning circulation in the prior art, the pouring efficiency of the low-slump distorted concrete of the dam foundation cushion layers of the adjacent dam sections is greatly improved, and the rapid and continuous pouring construction method is formed.

The invention provides a concrete gravity dam crack control structure and method based on stress absorption, and belongs to the field of hydraulic engineering concrete structure crack control. The structure comprises a dam body, a plurality of hole cavities are formed in the dam body, and the hole cavities are vertically arranged in the height direction of the dam body; the inner wall of the hole cavity is provided with a concave part to form an uneven interface; the hole cavities are filled with stress absorbing materials to form stress absorbing hole groups; the stress absorbing material is connected with the inner walls of the hole cavity and the concave part into a whole, and an embedded structure is formed at the boundary. In the construction method, the hole forming device is introduced, the hole forming device and technology synchronous with concrete cast-in-place construction are developed, and the forming precision and efficiency of a complex hole cavity structure are guaranteed. The stress absorption structure which can be integrated in the dam body, has high interface bonding capacity and is feasible in construction is developed, an active stress absorption system is constructed, the stress absorption structure is suitable for crack prevention and control of the mass concrete gravity dam, and the structure safety and the construction economical efficiency are both achieved.

The invention provides a steel-concrete combined member for multi-layer continuous pouring of mass concrete and a construction method.The steel-concrete combined member comprises a top-heightened overhanging main body structure arranged on an original concrete foundation on the top of a poured part of a dam, and the overhanging main body structure comprises a disassembly-free steel structure supporting member; the steel structure supporting component comprises a plurality of profile steel components, each profile steel component is provided with an inclined section, and the inclined sections extend out of an original concrete foundation on the top of the poured part of the dam. A plurality of T-shaped reinforced concrete precast blocks are obliquely laid between the inclined sections of every two adjacent profile steel members, the end faces of the heads of the T-shaped reinforced concrete precast blocks jointly form a formwork face, the handle portions of the T-shaped reinforced concrete precast blocks are inserted between the inclined sections from the inner sides of the profile steel members, and concrete is poured on the formwork faces; and the top surface of the overhanging main body structure is set as a construction foundation surface of the overhanging heightening structure. The construction risk of template mounting and dismounting can be reduced, the labor cost is reduced, and the construction time is shortened.

The invention discloses a gravity dam foundation treatment structure used under the condition of a strong earthquake region soft rock foundation. The invention relates to the field of water conservancy and hydropower facilities, in particular to a gravity dam foundation treatment structure for solving the problems of bearing capacity and anti-sliding stability of a gravity dam foundation under the condition of a soft rock foundation in a strong earthquake region, which comprises a foundation surface of a gravity dam, a consolidation grouting layer, a cast-in-place pile and a concrete dam body, a consolidation grouting layer is arranged below the foundation surface, the cast-in-place piles are arranged below the concrete dam body, the tops of the cast-in-place piles are fixedly connected with the bottom of the concrete dam body, and the bottom of at least one cast-in-place pile is arranged below the three-type rock mass boundary. The method is particularly suitable for gravity dam foundation treatment construction under the condition of a soft rock foundation in a strong earthquake region.

The invention provides a polyurea anti-seepage gravity dam and a construction method thereof.The polyurea anti-seepage gravity dam comprises a dam body formed by filling low-strength homogeneous concrete, the dam body serves as a resistance main body of the gravity dam, and a foundation cushion layer and a reinforcing and anti-seepage structure are arranged between a dam foundation and bed rock of the dam body; a polyurea impermeable layer is integrally laid on the concrete surface of the dam face on the upstream side of the dam body. A plurality of vertical transverse joints are arranged in the dam body in the dam axis direction at intervals, a water stop structure is arranged at each vertical transverse joint of the dam body, and an expansion joint protruding towards the upstream is arranged at the upstream end of each vertical transverse joint. The polyurea impermeable layer comprises a permeable primer layer, a composite reinforcing layer and a sealing surface layer which are sequentially arranged outwards from the upstream dam face. The problems that in the construction and operation process of a traditional concrete gravity dam, cracks are prone to being generated, the overall structure is complex, and the construction quality of a water stop part is difficult to control are solved.

The present invention relates to the technical field of dam paving construction, and specifically proposes a roller-compacted concrete dam paving forming transverse seam construction equipment and method; the equipment includes a cutting plate for cutting transverse seams and an auxiliary positioning device for positioning the cutting plate during construction; the auxiliary positioning device includes: a base frame; a rectangular frame, which is vertically slidably installed on the base frame; a supporting positioning frame, including two positioning plates horizontally relatively slidably installed in the rectangular frame; two lower pressing frames, which are assembled on the two positioning plates in a one-to-one correspondence; a plurality of elastic support frames, which are connected between the base frame and the rectangular frame; and at least one limit frame, which is assembled on the base frame and is located below the rectangular frame; the cooperation between the auxiliary positioning device and the cutting plate in the equipment provided by the present invention greatly provides the stability and continuity of the pressed-in cutting guide, and also avoids the construction deformation of the cutting plate to the greatest extent, which can increase the reuse cycle of the cutting plate.

The utility model relates to a gravity dam drainage horizontal pipe structure and a gravity dam. The gravity dam drainage horizontal pipe structure comprises a drainage assembly, the drainage assembly comprises a water collecting and ventilating pipe and an operation platform, the water collecting and ventilating pipe is used for being buried in the upstream side of a gravity dam, the upper end of the water collecting and ventilating pipe is used for extending to a dam crest straight slope section and communicating with the outside, and the lower end of the water collecting and ventilating pipe communicates with a drainage gallery at the lower end of the gravity dam; the multiple operation platforms are sequentially arranged on the side face, facing the upstream, of the gravity dam in the vertical direction, the multiple operation platforms form a step-shaped structure, the interiors of the operation platforms are hollow, drainage openings facing the upstream are formed in the operation platforms, and branch drainage pipes extend from the positions, corresponding to the operation platforms, of the water collection ventilation pipes. The upper ends of the branch drainage pipes communicate with the inner cavity of the operation platform and are provided with switch structures. The operation platforms with different heights are communicated with the water collection ventilation pipe through branch drainage pipes, the water level elevation can be sequentially reduced, and drainage difficulty caused by bottom hole blockage is avoided.

The present application relates to a gravity dam reinforcement anti-seepage structure, belonging to the technical field of reinforcement of hydraulic engineering structures. The structure aims at the problems of poor synergy between the anti-seepage layer and the structural reinforcement layer, great difficulty in high-altitude operation and insufficient deformation adaptability in the existing gravity dam reinforcement method. A composite reinforcement system is formed by sequentially arranging cast-in-place reinforced concrete bases, multiple concrete precast panels, cast-in-place concrete strips and multiple concrete precast panels in front of the original dam body. The precast panels are connected to the dam body through fixed anchor bars, and composite aluminum foil adhesive tape is pasted at the joint between adjacent panels. The cavity between the panels and the dam body is filled with poured asphalt concrete to form a continuous anti-seepage layer. At the same time, closed-cell foam boards and copper sheets are arranged in the structural joints between the cast-in-place concrete strips and the asphalt concrete layer to adapt to deformation. The structure is mainly used for reinforcement and anti-seepage treatment of existing gravity dams, and can effectively improve the integrity and anti-seepage reliability of the dam body.

The present invention proposes a crack control structure and method for a concrete gravity dam based on stress absorption, which belongs to the field of crack control of concrete structures in water conservancy projects. The structure includes a dam body, which is provided with a plurality of cavities, which are arranged vertically along the height direction of the dam body; the inner wall of the cavity has a recessed portion, forming an uneven interface; the cavity is filled with stress-absorbing material, forming a stress-absorbing hole group; the stress-absorbing material is connected to the inner wall of the cavity and the recessed portion, and a mosaic structure is formed at the boundary. In the construction method, a hole-forming device is introduced, and a hole-forming device and process synchronized with the cast-in-place concrete construction are developed to ensure the forming accuracy and efficiency of the complex cavity structure. The present invention develops a stress absorption structure that can be integrated into the interior of the dam body, has strong interface bonding ability and is feasible for construction, constructs an active stress absorption system, and is suitable for crack prevention and control of large-volume concrete gravity dams, combining structural safety and construction economy.

The invention provides a high-cold high-altitude gravity dam mass concrete hydration heat cooling method which comprises the steps that cooling pipe networks are arranged inside and on the outer surface of concrete respectively, and multi-dimensional sensing data are collected; extracting features to obtain structured feature data; constructing a dual-network structure model, and predicting concrete internal hydration heat distribution and temperature gradient change in real time by using an evaluation network; generating an adaptive cooling strategy by using the control network; controlling the pipe network valve and pump station power, and dynamically adjusting the cooling process; continuously collecting data, and combining model output to perform real-time feedback optimization and update model parameters. According to the method, accurate dynamic regulation and control of concrete hydration heat and temperature gradient are achieved by collecting data, building a model and combining evaluation network prediction and control network strategies, the defects of a traditional method are overcome, the early cracking rate of mass concrete of a high-cold and high-altitude gravity dam is reduced, it is ensured that the model adapts to environmental sudden change through a feedback optimization mechanism, and the early cracking rate of mass concrete of the high-cold and high-altitude gravity dam is improved. And the structural durability and the temperature control anti-cracking effect are improved.

The invention relates to the technical field of connection of asphalt concrete core wall dams and gravity dams, and discloses an asphalt concrete core wall dam and gravity dam embedded joint structure and management and control system.The asphalt concrete core wall dam and gravity dam embedded joint structure comprises a cambered surface in contact with an asphalt core wall rockfill dam, an inclined surface in contact with a transition material and a step shape in contact with a rockfill material; wherein the two sides of the cambered surface in contact with the asphalt core wall rockfill dam are provided with inclined surfaces in contact with the transition material, and one side of the inclined surface in contact with the transition material is provided with a step shape in contact with the rockfill material; a plurality of intelligent management and control systems are installed between the asphalt core wall rockfill dam and the concrete gravity dam on the axis of the asphalt core wall rockfill dam, the intelligent management and control systems are connected with heating resistors and thermocouples, and the heating resistors are connected with the thermocouples. The management and control system comprises a multi-parameter coupling temperature control module, a self-adaptive maintenance module and an earthquake response and deformation coordination module. The side type joint effectively solves the problem that the cost of building a high retaining wall of an existing side type joint is high.