CN117127639A

CN117127639A - Method for manufacturing open caisson by tunneling open caisson sinking device and application thereof

Info

Publication number: CN117127639A
Application number: CN202110059312.XA
Authority: CN
Inventors: 何春远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2023-11-28

Abstract

The invention describes a method for manufacturing a sunk well by using a tunneling sunk well sinking device. The method comprises the steps of foundation construction, open caisson manufacturing platform, open caisson manufacturing, open caisson tunneling, open caisson injection water sinking, open caisson silt cleaning and open caisson bottom sealing. The open caisson manufacturing platform consists of a cubic steel structure, a cubic steel structure fixing device, a template hanging device, templates, various connecting pieces and an open caisson construction platform; the open caisson tunneling comprises the installation of a mini tunneling machine, the installation of a hydraulic propulsion device and the hydraulic propulsion tunneling; the sinking well is filled with water and submerged in a finger, a hydraulic pusher and a micro tunnel boring machine are started at the same time, water is sprayed from a nozzle at the front end of the micro tunnel boring machine of a water circulation system, the micro tunnel boring machine is propelled to advance by the hydraulic pusher, the front end of the micro tunnel boring machine automatically rotates to spray water, mud and sand become mud, and the sinking well sinks by gravity; and (5) sealing the bottom by concrete.

Description

Method for manufacturing open caisson by tunneling open caisson sinking device and application thereof

Technical watershed:

the invention belongs to the field of construction, and particularly relates to a method for manufacturing a sunk well by a tunneling sunk well sinking device and application thereof

The background technology is as follows:

the construction of small underground construction engineering adopts a pile foundation method, firstly, pile foundations are made by using a pile driver, then, soil is taken out by using an excavator or manually, and an underground space is excavated.

The foundation pit construction of large or ultra-high buildings generally uses a normal method, a half reverse method and a full reverse method. The following method is as follows: the foundation pit is excavated, the bottom construction is firstly completed according to the principle of depth first and then shallow, and the building is completed upwards, so that the construction period is long, the excavated space is large, and the like.

The open caisson method construction is applied to small-sized projects, the open caisson construction special scheme is that the open caisson construction is firstly to make a cylindrical upper and lower structure, then steel bars are bound, concrete is poured, soil is dug in the open caisson to sink, and after each section of concrete is poured, soil is dug to sink again, so that circulation is carried out, however, open caisson sinking is easy to see sand, and a loose layer open caisson sinking is easy to incline, and the like.

With the increasing requirements of people on underground engineering, the invention provides a new solution.

The invention comprises the following steps:

the invention aims to provide a manufacturing method of a tunneling sinking device of a sinking well.

Another object of the invention is to provide a method for manufacturing a sunk well by using the tunneling sunk well sinking device and application thereof.

The invention adopts the following technical scheme to realize the purposes:

a method for manufacturing a sunk well by a tunneling sunk well sinking device.

The method comprises the steps of foundation construction, open caisson manufacturing platform, open caisson manufacturing, open caisson tunneling, open caisson injection water sinking, open caisson silt cleaning and open caisson bottom sealing.

The foundation construction comprises construction preparation and site cleaning; the construction preparation refers to investigation of a construction site, clearing of obstacles, knowing of geology, hydrology and construction scheme, exploration in a construction area, drilling, leveling of a site, road construction, laying of water pipe wires, construction of a warehouse, material selection, various mechanical equipment, construction scheme establishment, measurement and paying-off according to a caisson plane design drawing, setting of a leveling base point and a settlement observation point, and tracking and settlement observation of the caisson plane design drawing; the field cleaning refers to leveling and tamping a foundation after pre-cleaning, and if necessary, using a sand cushion layer, a brick-concrete cushion layer and the like;

the open caisson manufacturing platform consists of a cubic steel structure, a cubic steel structure fixing device, a template hanging device, templates, various connecting pieces and an open caisson construction platform; the cube steel structure is formed by manufacturing square steel pipes with the length of 2 meters or more than 2 meters into square planes, connecting 6 square planes by using a welding method to form a square wide frame with the length of 2 meters or more than 2 meters, and then connecting square steel plates with the length of 2 meters or more than 2 meters with the square planes by using the welding method to form the cube steel structure;

The open caisson manufacturing comprises site preparation, base welding, platform construction, template fixing, steel bar bundling, concrete pouring and template removal; the site preparation refers to construction preparation and site cleaning; the base welding comprises base welding, vertical shaft welding, wall welding, vertical shaft and wall combined welding; the base is made of H-shaped steel or made of steel plates, the lower half part of the H-shaped steel structure is a tunneling channel of a mini tunnel tunneling machine back and forth, and the thickness of the H-shaped steel structure is equal to that of a vertical shaft and a wall; the shaft welding includes the shaft design, shaft base welding, the shaft design indicates the hollow cylinder that uses reinforced cement to constitute, and the shaft shape is mainly rectangular, and the shaft is the workshop to the open caisson shape that shaft and wall body constitute has the cylinder, rectangular, long rectangle, garden end type etc. and the shaft size is decided by small-size tunnel boring machine and is convenient for operate as good, and shaft base welding just welds H shaped steel structure in the bottom of shaft: the wall body is welded to weld the H-shaped steel structure at the bottom of the wall body, and the thickness of the wall body is determined by the design of transverse bearing capacity; the vertical shaft and the wall body are welded in a combined way, namely, the vertical shaft is 1 meter lower than the wall body, one side of one wall body is connected with the central part of one outer wall surface of the vertical shaft, the H-shaped steel structure on one side of the one wall body penetrates through one outer wall surface of the vertical shaft to reach the inner wall surface, one side of the other wall body is connected with the central part of the other outer wall surface of the vertical shaft, the H-shaped steel structure on one side of the other wall body penetrates through the other outer wall surface of the vertical shaft to reach the inner wall surface, one side of the one wall body forms a right angle of an open caisson or forms a surface of the open caisson, and the open caisson is formed by a plurality of vertical shafts and a plurality of wall bodies in sequence; the platform construction means that one part of the open caisson construction platform is built in the open caisson in sequence, the other part of the open caisson construction platform is built outside the open caisson, the inner platform and the outer platform are fixed by various connecting pieces to form a whole, and the space between the inner platform and the outer platform is a construction area; the template fixing means fixing the template at the space part between the inner platform and the outer platform by using a reserved fastener; the steel bar bundling means that the construction steel bar of the open caisson can be assembled by using a manually-bound steel rib frame which is bound in advance near the open caisson, then manually-connected and welded or joint configuration is used, the lap joint length of the steel bar is reserved according to the regulation, the inserted bars extending out of the joint of the steel bar and the previous section are welded and connected, the inserted bars can be reserved at each joint, and after the next section is sunk, the next section is constructed; the concrete pouring refers to sectional open caisson concrete pouring, each section of concrete pouring is completed at one time according to design requirements, and the concrete pouring corresponds to construction; when the strength of the concrete reaches 25%, the movable template can be removed, casting is carried out in sections, and construction is carried out in sections and sinking;

The open caisson tunneling comprises the installation of a mini tunnel boring machine, the installation of a hydraulic propulsion device and the hydraulic propulsion tunneling; the installation of the hydraulic propulsion device is that a hydraulic pusher base is firstly installed on one surface of the shaft, the mini-tunnel boring machine is installed on the opposite surface of the shaft, then the hydraulic pusher is installed on the base, and the hydraulic pusher and the mini-tunnel boring machine are started simultaneously;

the sinking well is filled with water and submerged in a finger, a hydraulic pusher and a micro tunnel boring machine are started at the same time, water is sprayed from a nozzle at the front end of the micro tunnel boring machine of a water circulation system, the micro tunnel boring machine is propelled to advance by the hydraulic pusher, the front end of the micro tunnel boring machine automatically rotates to spray water, mud and sand become mud, and the sinking well sinks by gravity;

the open caisson mud and sand cleaning means that the open caisson is constructed to a set elevation according to design requirements, and then mud and stones in the open caisson are excavated by using mud and stone excavating equipment;

the open caisson bottom sealing means that the open caisson is constructed to a set elevation according to the design requirement, mud stones in the open caisson are excavated, and then concrete bottom sealing is used;

And manufacturing the open caisson construction platform.

The open caisson construction platform is manufactured by a cubic steel structure, the cubic steel structure is fixed, a template hanging device, a template, various connecting pieces and the open caisson construction platform.

The cube steel structure is formed by manufacturing square planes from steel pipes with the length of 2 meters or more than 2 meters, connecting 6 square planes by using a welding method to form a square wide frame with the length of 2 meters or more than 2 meters, and then connecting square steel plates with the length of 2 meters or more than 2 meters with the square planes by using the welding method to form the cube steel structure;

the cube steel structures are fixed by placing a plurality of cube steel structures on a horizontal plane and fixing the cube steel structures by fasteners, wherein the cube steel structures are formed by square wide frames, square steel plates and fasteners; the square wide frame is characterized in that a square steel pipe is arranged on the vertical surface of the square wide frame, a symmetrical point is found, an electric drill is used for punching a hole, an orifice is punched through the square steel pipe, a square steel plate is punched through the square steel pipe, the steel plate and the square steel pipe of another cube steel structure are continuously punched forwards, four symmetrical points of the vertical surface of each cube steel structure are punched up and down to be fixed by using fasteners, the two cube steel structures are fixed by using fasteners, and the fasteners are composed of nuts, screws, gaskets and the like.

The open caisson construction platform is characterized in that a plurality of cube steel structures are sequentially connected by using a cube steel structure fixing method to form a construction platform, one part of the construction platform is built in the open caisson, the other part of the construction platform is built outside the open caisson and is called an outer platform, the inner platform and the outer platform are fixed by using various connecting pieces to form a whole, and a space between the inner platform and the outer platform is a construction area;

the template hanging device consists of a small manual oil jack, square steel plates with the length of 2 meters or more and fasteners, wherein the bottom of the small manual oil jack is connected with a cubic steel structure connecting point by using the fasteners, and the top of the small manual oil jack is connected with the center of the steel plates by using the fasteners;

the template is composed of a plurality of template hanging devices and is hung in a space construction area between the inner platform and the outer platform respectively to form a whole;

the various connecting pieces refer to various steel ropes, steel pipes, fasteners, weights and other objects for fixing the cube steel structure;

the open caisson construction platform comprises a land open caisson construction platform, a river and lake open caisson construction platform and an ocean open caisson construction platform.

The tunnel tunneling device is manufactured.

The tunnel boring device manufacturing comprises a micro tunnel boring machine, a hydraulic propulsion device, a push rod and the boring of various methods.

The micro tunnel boring machine mainly comprises a cutting and drilling system, a soil discharging system, a water spraying system, a guiding system, an operating system and a jacking system, wherein the diameter of the micro tunnel boring machine is 0.5 to 1 meter;

the hydraulic propulsion device mainly comprises a mini tunnel boring machine, a working well, a base, a hydraulic pusher, a controller, a mud discharging device and a water inlet device; the working well consists of a vertical shaft, a lifter, a mud discharging pipe, a water pipe and an electric wire, wherein the base is used for manufacturing a steel structure rectangular platform, the steel structure rectangular platform is placed in the middle of the vertical shaft, one end of the steel structure rectangular platform is close to one surface of the vertical shaft wall, the other end of the steel structure rectangular platform is close to the other surface of the vertical shaft wall, the hydraulic pusher mainly consists of hydraulic power, a control device, an execution unit hydraulic auxiliary element and a working medium, the controller is used for controlling an oil way of a single hydraulic pusher group, the mud discharging device consists of a mud storage site, a mud water pipeline, a mud water pump and the like through the action and control process of various execution elements, and the water inlet device consists of a water pipe, a water booster pump, a water pipe and a push rod;

The push rod consists of a steel pipe, a steel pipe structure and a special joint for the steel pipe; the steel pipe is a steel pipe with threads at the tail part, is used for connecting a micro tunnel boring machine at one end and connecting a hydraulic pusher at the other end, the steel pipe structure is formed by welding seamless steel pipes, the wall thickness is 9 to 10 mm, the length of the steel pipe is determined by the longest caliber of a vertical shaft, the diameter of the steel pipe is 100 to 120 mm, a special joint for the steel pipe is used between the steel pipe and the steel pipe, the steel pipe structure further comprises a small steel pipe and is used for a water pipe, the special joint for the steel pipe refers to joint pair use, two ends of one pipe are respectively provided with a male joint and a female joint, and the main functions of the steel pipe structure are to connect the steel pipes, protect the steel pipe body from being worn and are convenient to assemble and disassemble in production.

The tunneling grouting sinking method is characterized by comprising the following steps of.

The method comprises the tunneling grouting sinking process flow and the tunneling grouting sinking step.

The tunneling grouting underwater sinking process mainly comprises the following steps of: preparing for open caisson production, installing a drainage pipeline and a water inlet pipeline, connecting a water storage tank and a slurry tank, welding a shaft base, binding steel bars, constructing a platform, welding a wall base, binding steel bars, fixing a template, pouring concrete once, curing concrete, installing a micro tunnel boring machine, installing a hydraulic propulsion device, feeding water, preparing a mud discharging system, starting the tunnel boring device, hydraulic thrusters, feeding water, working the mud discharging system, continuously adding push rods and the like by the thrusters, and continuously sinking the open caisson in the mud discharging process;

The tunneling grouting and sinking step comprises the steps of leveling a field, paying off and positioning, constructing a construction platform, treating and safety of a foundation, binding reinforcing steel bars of a vertical shaft wall, pouring concrete, installing a mini-tunnel boring machine, hydraulic propulsion devices, water inlet, mud discharging system preparation, starting the mini-tunnel boring machine, hydraulic propulsion devices, water inlet and mud discharging system operation, power rotation water spraying of the tunnel boring devices, continuous propulsion of the hydraulic propulsion devices and connection of push rods, extrusion of loose mud water from the push rod pipeline into the vertical shaft under the action of gravity, water pump discharge, gradual sinking of the open caisson, and staged construction sinking of the open caisson.

And constructing the underground half-slope multi-layer garage.

The underground half-slope multi-layer garage construction comprises underground garage space construction and half-slope multi-layer garage construction.

The underground garage space construction comprises an underground garage space design, foundation construction, an open caisson manufacturing platform, open caisson manufacturing, open caisson tunneling, open caisson injection water sinking, open caisson silt cleaning, open caisson bottom sealing and garage construction civil engineering, wherein the underground garage space design comprises an underground space utilization design, a structure design, a space excavation method using an open caisson, an underground half-slope multi-layer garage 3-7-layer design, an overground half-slope multi-layer garage 3-7-layer design and the like, and the garage construction civil engineering comprises waterproof engineering, rubble engineering, pile foundation engineering, steel structure engineering and the like;

The construction of the half-slope multi-layer garage comprises a main structure, a main structure project, a decoration project, parking space arrangement and an information communication project; the main structure comprises beams, columns, shear walls and floor boards, automobile downhill slopes, a layer beam roof board foundation, wherein beams, columns, boards, bearing walls, stairwells, elevator rooms, roofs and walls all belong to main engineering, the main body is the skeleton of a garage, the main structural engineering comprises reinforcement engineering, formwork engineering, concrete engineering, masonry engineering, the reinforced concrete main structure is the main bearing and force transmitting body of the garage construction, the decoration engineering comprises electrical engineering, elevator engineering, fire engineering, ventilation engineering and the like, the parking space arrangement comprises automobile ramps, automobile passages and automobile parking spaces, the information communication engineering comprises garage parking space electronic quantity display boards, and the mobile phones and the automobile recorders search for nearby automobile parking space information and reserve nearby automobile parking space operation;

the underground garage refers to a parking space utilizing 1 to 7 layers of underground and above, and also comprises the steps of adding 1 to 7 layers of garage on the construction ground on the basis of the underground garage;

the semi-slope garage is characterized in that one floor is built to be half higher than the other floor, and then a car ramp is built between the two floors;

The multi-layer garage refers to a garage with more than 5 layers.

The underground structure is constructed.

The underground structure construction comprises underground structure space construction and underground multi-layer structure construction.

The underground structure space construction comprises underground structure space design, foundation construction, an open caisson manufacturing platform, open caisson manufacturing, open caisson tunneling, open caisson injection water sinking, open caisson silt cleaning, open caisson bottom sealing and building warehouse construction civil engineering, wherein the underground structure space design comprises underground space utilization design, structure design, space excavation by using an open caisson method, underground multi-layer structure design, 3-7 layers of ground multi-layer structure design and the like, and the structure construction civil engineering comprises waterproof engineering, rubble engineering, pile foundation engineering, steel structure engineering and the like;

the construction of the underground multi-layer structure comprises a main structure, a main structure engineering, a decoration engineering and position arrangement; the main structure comprises beams, columns, shear walls and floor boards, and a layer beam roof board foundation, wherein beams, columns, boards, bearing walls, stairwells, elevator cabs, roofs and walls all belong to main structures, the main structures are bones of structures, the main structure engineering comprises reinforced bar engineering, formwork engineering, concrete engineering, masonry engineering, the reinforced concrete main structure is a main bearing and force transferring body of the structures, the decoration engineering comprises electric appliance engineering, elevator engineering, fire-fighting engineering, ventilation engineering and the like, and the position arrangement comprises ramps, passages, planes and the like; the construction of the underground multi-layer structure comprises the construction of the underground multi-layer structure and also comprises the construction of the overground multi-layer structure;

The structures refer to underground and overground multi-layer farms, underground and overground multi-layer factories, warehouses, storage rooms, shops, air defense facilities, hospitals, combat readies and the like

And constructing the underground crude oil reservoir.

The construction of the underground crude oil reservoir comprises foundation construction, a sunk well manufacturing platform, sunk well manufacturing, sunk well tunneling, sunk well injection water sinking, sunk well silt cleaning and sunk well bottom sealing.

The foundation construction comprises construction preparation and site cleaning;

the open caisson manufacturing platform consists of a cubic steel structure, a cubic steel structure fixing device, a template hanging device, a plane and various connecting pieces, and is assembled on a construction site manually;

the open caisson manufacturing comprises site preparation, base welding, platform construction, template fixing, steel bar bundling, concrete pouring and template removal;

the open caisson tunneling comprises the installation of a mini tunnel boring machine, the installation of a hydraulic propulsion device and the hydraulic propulsion tunneling;

the sinking well is filled with water and submerged in a finger, a hydraulic pusher and a micro tunnel boring machine are started at the same time, water is sprayed from a front end nozzle of the micro tunnel boring machine of a water circulation system, the micro tunnel boring machine is propelled to advance by the hydraulic pusher, water is sprayed from a self-generated rotary front end nozzle of the micro tunnel boring machine, mud and sand become mud, and the sinking well is submerged by gravity;

the open caisson bottom sealing means that the open caisson is constructed to a set elevation according to the design requirement, mud stones in the open caisson are excavated, then water-proof materials are used, concrete is used for bottom sealing, acceptance is checked, and the open caisson is put into use;

and (5) island construction by sea enclosing.

The sea-reclamation island construction comprises foundation construction, an open caisson manufacturing platform, open caisson manufacturing, open caisson tunneling, open caisson grouting water sinking and open caisson silt filling.

The foundation construction refers to investigation of a construction site, clearing of obstacles, knowing of geology, hydrology and construction scheme, exploration in a construction area, drilling, laying of water pipe wires, construction of a warehouse, selected materials, various mechanical equipment, programming of the construction scheme, measurement and paying-off according to a caisson plane design drawing,

the open caisson manufacturing platform consists of a cubic steel structure, a cubic steel structure fixing device, a template hanging device, templates, various connecting pieces and an open caisson construction platform;

the cube steel structure is formed by manufacturing square planes from 4 meters or more than 4 meters of steel pipes, connecting 6 square planes by using a welding method to form a square wide frame with the length of 4 meters or more than 4 meters, and then connecting square steel plates with the length of 4 meters or more than 4 meters with the square planes by using the welding method to form the cube steel structure;

The cube steel structures are fixed by placing a plurality of cube steel structures on a horizontal plane and fixing the cube steel structures by fasteners, wherein the cube steel structures are fixed by square wide frames, square steel plates and fasteners; the square wide frame is characterized in that a symmetrical point is found at a square steel pipe on the vertical surface of the square wide frame, an electric drill is used for punching a hole, a square steel pipe is punched through an orifice, a square steel plate is punched through the square steel pipe, a steel plate of another cube steel structure and the square steel pipe are continuously punched forwards, four symmetrical points of the vertical surface of each cube steel structure are fixed by using fasteners, and two cube steel structures are fixed by using the fasteners;

the open caisson construction platform is formed by a concrete pouring platform, an open caisson lifting device and an open caisson construction platform; the concrete pouring platform is characterized in that a plurality of cubic steel structures of 2 meters and 2 meters are connected to form a cuboid and placed at the bottom between an inner platform and an outer platform for pouring concrete, when the concrete and an open caisson are close to a seabed, the concrete pouring platform is removed, the open caisson lifting device mainly comprises a transmission part, a lifting part, a connecting part, a control part and a safety device, one end of the connecting part is connected with pouring concrete by using a steel rope, the other end of the connecting part is connected with an open caisson construction platform by a lifter, the open caisson construction platform is formed by sequentially connecting a plurality of cubic steel structures, one part of the construction platform is built in the open caisson, the other part of the construction platform is built outside the open caisson, the inner platform and the outer platform are fixed by using various connecting pieces to form a whole, the space between the inner platform and the outer platform is a construction area, and the buoyancy of the open caisson construction platform is larger than the weight of the open caisson;

The template hanging device consists of a small manual oil jack, a square steel plate with the length of 4 meters or more and a fastening piece, wherein the bottom of the small manual oil jack is connected with a connection point of a cubic steel structure by using the fastening piece, and the top of the small manual oil jack is connected with the center part of the steel plate by using the fastening piece;

the various connecting pieces refer to various steel ropes, steel pipes, fasteners, seeds and other objects for fixing the cube steel structure;

the open caisson manufacturing comprises site preparation, base welding, platform construction, template fixing, steel bar bundling, concrete pouring and template removal; the site preparation refers to construction preparation and site cleaning; the base welding comprises base welding, vertical shaft welding, wall welding, vertical shaft and wall combined welding; the base is made of H-shaped steel or made of steel plates, the lower half part of the H-shaped steel structure is a tunneling channel of a mini tunnel tunneling machine back and forth, and the thickness of the H-shaped steel structure is equal to that of a shaft wall; shaft welding includes the shaft design, shaft base welding, the shaft design indicates the hollow cylinder that uses reinforced cement to constitute, and the cylinder shape has the cylinder, rectangular, long rectangular, garden end type etc. and the shaft size is decided by small-size tunnel boring machine and is convenient for operate as good, and shaft base welding is just with H shaped steel structure welding in the bottom of shaft: the wall body is welded to weld the H-shaped steel structure at the bottom of the wall body, and the thickness of the wall body is determined by the design of transverse bearing capacity; the vertical shaft and the wall body are welded in a combined way, namely, the vertical shaft is 1 meter lower than the wall body, one side of one wall body is connected with the central part of one outer wall surface of the vertical shaft, the H-shaped steel structure on one side of the one wall body penetrates through one outer wall surface of the vertical shaft to reach the inner wall surface, one side of the other wall body is connected with the central part of the other outer wall surface of the vertical shaft, the H-shaped steel structure on one side of the other wall body penetrates through the other outer wall surface of the vertical shaft to reach the inner wall surface, one side of the one wall body forms a right angle of an open caisson or forms a surface of the open caisson, and the open caisson is formed by a plurality of vertical shafts and a plurality of wall bodies in sequence; the platform construction means that one part of the open caisson construction platform is built in the open caisson in sequence, the other part of the open caisson construction platform is built outside the open caisson, the inner platform and the outer platform are fixed by various connecting pieces to form a whole, and the space between the inner platform and the outer platform is a construction area; the template fixing means fixing the template at the space part between the inner platform and the outer platform by using a reserved fastener; the steel bar bundling means that the construction steel bar of the open caisson can be assembled by using a manually-bound steel rib frame which is bound in advance near the open caisson, then manually-connected and welded or joint configuration is used, the lap joint length of the steel bar is reserved according to the regulation, the inserted bars extending out of the joint of the steel bar and the previous section are welded and connected, the inserted bars can be reserved at each joint, and after the next section is sunk, the next section is constructed; the concrete pouring refers to sectional open caisson concrete pouring, each section of concrete pouring is completed at one time according to design requirements, and the concrete pouring corresponds to construction; when the strength of the concrete reaches 25%, the movable template can be removed, casting is carried out in sections, construction is carried out in sections, and the open caisson is sunk by sections by using an open caisson lifting device;

the open caisson sea sand filling means that the open caisson is constructed to a set elevation according to the design requirement, and then sea sand is buried in the open caisson;

the island making by sea enclosing means that the open caisson is sunk to a bedrock, then the open caisson is drained until soil is seen to form land, or the open caisson is sealed by concrete to fill sea sand into the open caisson to form land;

and constructing the port.

The harbor construction comprises foundation construction, a sunk well manufacturing platform, sunk well manufacturing, sunk well tunneling, sunk well grouting water sinking and sunk well outer wall silt cleaning.

the open caisson mud and sand cleaning means that the open caisson is constructed to a set elevation according to design requirements, then mud and stones outside the open caisson wall are excavated by using mud and stones excavating equipment, one surface of the open caisson is a deep water area, the water depth is 20 meters and more than 30 meters, the other three surfaces of the open caisson are land, and the deep water area is used for ports.

And constructing the submarine drilling platform.

The submarine drilling platform construction comprises foundation construction, an open caisson manufacturing platform, open caisson manufacturing, open caisson bottom sealing and open caisson sealing.

The foundation construction comprises construction preparation and site cleaning; the construction preparation refers to investigation of a construction site, clearing of obstacles, knowing of geology, hydrology and construction scheme, exploration in a construction area, drilling, leveling of a site, laying of water pipe wires, construction of a warehouse, selected materials, various mechanical equipment, construction scheme establishment, measurement and paying-off according to a caisson plane design drawing, setting of a leveling base point and a settlement observation point, and tracking and settlement observation of the caisson plane design drawing;

the open caisson manufacturing comprises site preparation, base welding, platform construction, template fixing, steel bar bundling, concrete pouring and template removal; the site preparation refers to construction preparation and site cleaning; the base welding comprises base welding, vertical shaft welding, wall welding, vertical shaft and wall combined welding; the base refers to H-shaped steel or steel plates are used for manufacturing the H-shaped steel structure, and the thickness of the H-shaped steel structure is equal to that of a shaft wall; shaft welding includes shaft design, shaft base welding, and shaft base welding just welds H shaped steel structure in the bottom of shaft: the wall body is welded to weld the H-shaped steel structure at the bottom of the wall body, and the thickness of the wall body is determined by the design of transverse bearing capacity; the shaft and wall body combination refers to an open caisson formed by combining a plurality of shafts and the open caisson, the steel bar bundling refers to an open caisson construction steel bar, a rib frame which is bound in advance near the open caisson by using manual binding steel, the open caisson construction steel bar can be installed by using a crane, then the joint length of the steel bar is reserved according to a specified rule by using manual connection and welding or joint configuration, the joint bars which extend out of the joint positions of the steel bar and the previous section are welded, the joint bars can be reserved at all the joint positions, and after the section is sunk, the next section is constructed; the concrete pouring refers to sectional open caisson concrete pouring, each section of concrete pouring is completed at one time according to design requirements, and the concrete pouring corresponds to construction; when the strength of the concrete reaches 25%, the movable template can be removed, casting is carried out in sections, construction is carried out in sections, and the open caisson is sunk by sections by using an open caisson lifting device;

When the open caisson is sunk to the designed height, the open caisson lifting device is used for descending the open caisson to the seabed, then the dredging device is used for discharging soil in the open caisson, the open caisson continuously dredges the soil in the open caisson along with sinking, the open caisson is sunk to bedrock, sinking is stopped, the outer gap of the open caisson is sealed by concrete, and then materials such as water insulation, water resistance, concrete and the like are used for sealing the ground

The open caisson sealing means sealing by using pressure-resistant, water-proof and waterproof open caisson cover materials, materials are reserved at the sealing position, a device channel is reserved, and the open caisson sealing can be used as a drilling platform by draining water in the open caisson.

The beneficial effects are that:

the method for manufacturing the open caisson by using the tunneling open caisson sinking device excavates the underground half-slope multi-layer garage of the underground space construction land, can reduce construction cost, improve quality, save land resources and the like.

The construction of the pipeline of the high-speed train with the vacuum pipeline can shorten the construction period, reduce the construction cost, improve the quality, save the land resources and the like.

The island can be manufactured by using the method of the invention without damaging natural ecological environment, the construction can shorten the construction period, reduce the construction cost, improve the quality, obtain economic benefit and the like.

Drawings

FIG. 1 is a cross-sectional view of a method for making an open caisson by a tunneling open caisson sinking device.

FIG. 2 is a cross-sectional view of a long rectangular open caisson of a method of making an open caisson with a tunneling open caisson sink device.

FIG. 3 is a cross-sectional view of a rectangular open caisson of a method of making an open caisson with a tunneling open caisson sink device.

Fig. 4 is a cross-sectional view of a cylindrical open caisson of a method of making an open caisson with a tunneling open caisson sink device.

Wherein reference numeral 1 is an open caisson wall body; 2 is a vertical shaft of the open caisson; 3 is an open caisson

The specific embodiment is as follows:

method for manufacturing open caisson by tunneling open caisson sinking device

The vacuum pipeline construction foundation construction, the open caisson manufacturing platform extends forwards, open caisson manufacturing, open caisson tunneling, open caisson injection water sinking, open caisson silt cleaning, open caisson bottom sealing, open caisson sealing and open caisson operation prolonging.

the forward extension of the open caisson manufacturing platform means that the open caisson manufacturing platform is built according to the design requirement of a vacuum pipeline, and the open caisson manufacturing platform is built according to the sequential requirement of the forward extension of a vertical shaft, a wall body and the vertical shaft, and a long rectangular open caisson without a dead end is built;

the open caisson bottom sealing means that the open caisson is constructed to a set elevation according to the design requirement, mud stones in the open caisson are excavated, and then water-proof materials, sealing materials and concrete bottom sealing are used;

the open caisson sealing means that the construction height and the width of the vacuum pipeline meet the requirements according to the design requirements, and the open caisson sealing means that water-proof materials, sealing materials and concrete sealing can be used for sealing, and soil is used for filling up the excavated pavement.

The manufacture of the vacuum pipeline is used for manufacturing and constructing the vacuum pipeline high-speed train.

Claims

1. A method for manufacturing a sunk well by a tunneling sunk well sinking device.

the open caisson bottom sealing means that the open caisson is constructed to a set elevation according to design requirements, mud stones in the open caisson are excavated, and then concrete bottom sealing is used.

2. A tunnel boring device according to claim 1, wherein the open caisson construction platform is manufactured.

3. A tunneling device according to claim 1, wherein said tunneling device is fabricated.

The tunnel boring device manufacturing comprises a satellite tunnel boring machine, a hydraulic propulsion device, a push rod and the boring of various methods.

The push rod consists of a steel pipe, a steel pipe structure and a special joint for the steel pipe; the steel pipe is a steel pipe with threads at the tail part, is used for connecting a mini tunnel boring machine at one end and a hydraulic pusher at the other end, the steel pipe structure is formed by welding seamless steel pipes, the wall thickness is 9 to 10 mm, the length of the steel pipe is determined by the longest caliber of a vertical shaft, the diameter of the steel pipe is 100 to 120 mm, a special joint for the steel pipe is used between the steel pipe and the steel pipe, the steel pipe structure further comprises a small steel pipe and is used for a water pipe, the special joint for the steel pipe refers to the joint for paired use, a male joint and a female joint are respectively arranged at two ends of the steel pipe, and the steel pipe structure has the main effects of connecting the steel pipe, protecting the steel pipe body from being worn and being convenient to assemble and disassemble in production.

4. A tunneling apparatus according to claim 1 wherein said tunneling injection sink method.

The tunneling grouting underwater sinking process mainly comprises the following steps of: preparing open caisson production, installing a drainage pipeline, installing a water inlet pipeline, communicating a water storage tank and a slurry pond, welding a shaft base, binding steel bars, constructing a platform, welding a wall base, binding steel bars, fixing a template, casting concrete once, curing concrete, installing a micro tunnel boring machine, installing a hydraulic propulsion device, feeding water, preparing a mud discharging system, starting the tunnel boring device, hydraulic thrusters, feeding water, working the mud discharging system, continuously adding push rods and the like by the thrusters, and continuously sinking the open caisson in the mud discharging process;

5. A tunneling apparatus according to claim 1 wherein said underground semi-sloping multi-story garage construction.

The multi-layer garage refers to a garage with more than 5 layers.

6. A tunneling apparatus according to claim 1 wherein said underground structure is constructed.

The structures refer to underground and overground multi-layer farms, underground and overground multi-layer factories, warehouses, storage rooms, shops, air defense facilities, hospitals, combat readies and the like.

7. A tunneling apparatus according to claim 1 wherein said underground crude oil reservoir is constructed.

the open caisson bottom sealing means that the open caisson is constructed to a set elevation according to design requirements, mud stones in the open caisson are excavated, then water-proof materials are used, concrete is used for bottom sealing, acceptance is achieved, and the open caisson is put into use.

8. A tunneling apparatus according to claim 1 wherein said island construction is carried out by sea.

the island making by enclosing sea means that the open caisson is sunk to a bedrock, then the open caisson is drained until soil is seen to form land, or the open caisson is sealed by concrete to fill sea sand into the open caisson to form land.

9. A tunneling apparatus according to claim 1 wherein said port is constructed.

10. A tunneling apparatus according to claim 1 wherein said subsea rig is constructed.

the open caisson manufacturing comprises site preparation, base welding, platform construction, template fixing, steel bar bundling, concrete pouring and template removal; the site preparation refers to construction preparation and site cleaning; the base welding comprises base welding, vertical shaft welding, wall welding, vertical shaft and wall combined welding; the base refers to H-shaped steel or steel plates are used for manufacturing the H-shaped steel structure, and the thickness of the H-shaped steel structure is equal to that of a shaft wall; shaft welding includes the shaft design, shaft base welding, the shaft design refers to the hollow cylinder that uses reinforced cement to constitute, and shaft base welding is just with H shaped steel structure welding in the bottom of shaft: the wall body is welded to weld the H-shaped steel structure at the bottom of the wall body, and the thickness of the wall body is determined by the design of transverse bearing capacity; the shaft and wall body combination refers to an open caisson formed by combining a plurality of shafts and the open caisson, the steel bar bundling refers to an open caisson construction steel bar, a rib frame which is bound in advance near the open caisson by using manual binding steel, the open caisson construction steel bar can be installed by using a crane, then the joint length of the steel bar is reserved according to a specified rule by using manual connection and welding or joint configuration, the joint bars which extend out of the joint positions of the steel bar and the previous section are welded, the joint bars can be reserved at all the joint positions, and after the section is sunk, the next section is constructed; the concrete pouring refers to sectional open caisson concrete pouring, each section of concrete pouring is completed at one time according to design requirements, and the concrete pouring corresponds to construction; when the strength of the concrete reaches 25%, the movable template can be removed, casting is carried out in sections, construction is carried out in sections, and the open caisson is sunk by sections by using an open caisson lifting device;