CN1063821C - Stabilizing structure of pressure-proof underground construction - Google Patents
Stabilizing structure of pressure-proof underground construction Download PDFInfo
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- CN1063821C CN1063821C CN 94120464 CN94120464A CN1063821C CN 1063821 C CN1063821 C CN 1063821C CN 94120464 CN94120464 CN 94120464 CN 94120464 A CN94120464 A CN 94120464A CN 1063821 C CN1063821 C CN 1063821C
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- pressure
- underground construction
- construction
- proof underground
- heavy mud
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Abstract
The present invention relates to a stabilizing structure of compression-resistant underground construction, which can stably support the compression-resistant underground construction and perform the function of crack prevention, etc. compression-resistant underground construction 17 is constructed by continuously pouring concrete reinforced by PC ribs at the bottom of a well 16 digged by a reverse cycle mud type vertical digger, and heave mud 20 replaces mud of ordinary specific weight. The construction 17 is surrounded by the heavy mud, and thus, the construction is stabilized by the pressure of the heavy mud. The depth of the construction and the well can be reduced to reach the minimum manufacture cost of the construction, and the heavy mud is filled between an isolation sieve and the periphery wall of the construction by the isolation sieve 18 made of reinforcing fibers.
Description
The present invention relates to a kind of rock-steady structure that is used for storing the pressure-proof underground construction of pressure fluid such as highly pressurised liquid or the like.
Store pressure fluid such as gases at high pressure, the resistance to compression building of highly pressurised liquid or the like has adopted the pressure vessel as forbay or the like.And, in places such as cities and towns,, keep view in order effectively to utilize the ground matrix section that is provided with withstand voltage underground building, the technology at the such pressure-proof underground construction of underground construction has been proposed.
On the other hand, the structure that underground pressure-proof underground construction is designed to bear high pressure will be built in.For example, (hereinafter referred " CAES system ") is intended to adopt the electric energy that sends night in a compressed air energy storage system, and this just requires to store 20～6 atmospheric pressure-airs, builds a pressure-proof underground construction in underground hole.
The CAES system that exemplifies is one, and to store gases at high pressure in the subterranean tunnel by the electric energy drive compression machine that sends night be pressure-air and the system that is produced electric energy by day during most of electric energy loss by the steam turbine of the high pressure air drives that stores, use this system, do not need the recovery of additional electrical energy, excessive electric energy is stored in cities and towns are transported to storage by pump power station as in the similar item such as dam, has so just realized making full use of of electric energy.
Yet pressure-proof underground construction is built in the underground as underground hole pressure-air is stored in the above-mentioned CAES system that mentions, and acts on external load by the interior pressure of the pressure fluid in being stored in.In this case, when around loose relatively enough ground pressures or the hydraulic action of can not producing of soil in the perisporium of pressure-proof underground construction, produce big relatively tensile strength in the pressure-proof underground construction and can cause phenomenons such as crack, this just very difficult effect that keeps pressure-proof underground construction securely.
Such possibility is also arranged, and pressure-proof underground construction bears the concentration of local of pressure, and the concentration of local of this pressure depends on surrounding soil situation such as inhomogeneities, discontinuity, and anisotropic distortion, the distortion ground pressure is crept etc. for a long time.Therefore, the outer wall of pressure-proof underground construction can not securely support surrounding soil.
Therefore, one object of the present invention just provides a kind of rock-steady structure that is used for pressure-proof underground construction, and it can firmly support and be built in underground pressure-proof underground construction, thereby plays the effect that phenomenons such as preventing the crack occurs and need not consider the situation of soil.
According to an aspect of the present invention, a kind of rock-steady structure that is used on the pressure-proof underground construction that is used for storing pressure fluid comprises the heavy mud that is filled in around the pressure-proof underground construction.
In this case, best screen section is positioned over and is filled between the pressure-proof underground construction heavy mud and soil on every side on every side.
Be discussed in detail below, heavy mud can be that a kind of liquid of special proportion is stopped, this proportion is substantially equal to or less than the Unit Weight of surrounding soil, and heavy mud also can be that a kind of its characteristic is at normal temperature with make and be stored in the liquid that meets Pascal's law under the temperature that the fluid in the underground building obtains preserving.Preferably the heavy mud drum is drawn together stable constituent, and these compositions can be resisted sedimentation and decompose for a long time, as water, swell soil, synthetic dispersing agent and bar fine particle.
Clad pipe that pressure-proof underground construction among the present invention comprises concrete reinforced pipe, prestressed concrete pipe, precast concrete pipe, be made up of iron pipe and concrete etc.
According to a further aspect in the invention, a kind of rock-steady structure that is used for pressure-proof underground construction comprises the carrying object with high specific weight that is filled in around the pressure-proof underground construction.
The detailed description that below will be by hereinafter and the accompanying drawing of the embodiment of the invention have more fully the present invention to be understood, and foregoing description is not a limitation of the invention and only be used for the present invention is made an explanation and understands.
Accompanying drawing is as follows:
Fig. 1 is the schematic diagram that is used in an embodiment of the rock-steady structure in the pressure-proof underground construction according to of the present invention, and wherein pressure-proof underground construction is located in the paintpot;
Fig. 2 is Fig. 1 along the drawing in side sectional elevation that II-the II line is cut open;
Fig. 3 is another embodiment two explanation schematic diagrames that are used in the rock-steady structure in the pressure-proof underground construction according to of the present invention, and wherein pressure-proof underground construction is located in the tube;
Fig. 4 is Fig. 3 along the drawing in side sectional elevation that IV-the IV line is cut open.
The present invention will discuss in detail according to the preferred embodiment respective figure.In the following discussion, a large amount of specific details are described purpose provide one separate comprehensively, yet do not need these also can implement for those of ordinary skills thin portion to of the present invention.In other example, structure of the prior art not to be explained, they are implicit in the present invention.
Fig. 1 is that it is used for stablizing pressure-proof underground construction owing to an embodiment of the rock-steady structure in the pressure-proof underground construction, and this building is used for the gases at high pressure as pressure fluid are stored in the CAES system.
That is to say, the CAES system is made of cylindrical shape pressure-proof underground construction 12, this underground building 12 is built up by methods such as section joint or cast-in-place concretes in the tunnel of opening up in soil 10 with existing tunnelling technology 11, power generating system 13 is arranged near the pressure-proof underground construction 12 the underground space 21, and it comprises a compressor and a turbine-driven generator.Use this CAES system, the pressure-air that is produced by the compressor of the electric energy of using night and producing is supplied with pressure-proof underground constructions 12 by a dispatch tube 14 and is stored wherein with high pressure conditions under 20～60 barometric pressure range.By day, energy loss increases, and the pressure-air of storage discharges the turbine that drives in the power generating system to produce electric energy, so the excessive energy that produce night just can be effectively utilized.
The pressure-proof underground construction 12 of a part is stablized by being filled in its heavy mud on every side in storage high pressure air and the above-mentioned CAES of the formation system.That is to say that opening is connected with the tunnel 11 of digging at the tunnel shaft 15 on ground.The well 15 pouring heavy mud 20 that pass through tunnel have just filled up heavy mud 20 in the gap between the periphery of interior week in tunnel 11 and pressure-proof underground construction.Further heavy mud 20 is filled into the top of tunnel shaft 15, the pressure head of heavy mud 20 acts on the external surface of pressure-proof underground construction 12 to apply the pressure of heavy mud.
The heavy mud 20 that in described embodiment, uses by mix following component modulation form in case have shown in the form 1 near 2.00 specific gravity.Therefore, the pressure-proof underground construction of filling heavy mud 20 on every side bears the pressure that is added in external surface in advance by big heavy mud pressure.Like this, prestressing force just is added to the Duan Jiezhong of pressure-proof underground construction, therefore, even when the pressure-air in being stored in pressure-proof underground construction 12 acts on its internal perisporium to press in high, can be reduced by the tensile stress of the gases at high pressure generation of storing.Also have, because between the internal perisporium in tunnel 11 and pressure-proof underground construction 12, be filled with heavy mud 20, relax in mining process corresponding to the reaction force on the wealth wall in the tunnel, produce corresponding pressure, so, by 11 inner wall surface provides support power in the tunnel, soil on every side is constrained to the initial pressure of soil, also has, because the flowability of heavy mud 20, because inhomogeneities, discontinuity, anisotropy distortion, distortion ground pressure, the soil deformation that situation such as creep for a long time causes can alleviate, and uniformly pre-thus load can be applied on the external surface of pressure-proof underground construction 12 and not be subjected to the influence of surrounding soil situation.
Form 1
An example that has the heavy mud constituent of specific gravity 2.00 in 218 liter capacities:
| Material | Weight |
| Water | 150kgf |
| Swell soil V 1 | 12kgf |
| Telpolymer L | 0.45kgf |
| Telnite B | 0.30kgf |
| Barite | 273kgf |
On the other hand, Fig. 3 is the longitudinal sectional drawing of second embodiment of the present invention of the expression another kind of pressure-proof underground construction that is used for stablizing the CAES system, therefore, in this embodiment, in bottoms that come out and 16 such as the digging that uses the various contrary vertical excavators of circulation earth type, the coagulation pedosphere of reinforcing with presstressed reinforcing steel by continous pouring builds pressure-proof underground construction 17, for example, replace mud with heavy mud 20 with common specific gravity, like this, around the underground construction 17 usefulness heavy mud 20 of resistance to compression wrap.This embodiment is more similar than previous embodiment, utilizes the effect of heavy mud 20, and pressure-proof underground construction 17 is stabilized.Like this, the degree of depth of pressure-proof underground construction 17 and and 16 excavation depth can be reduced to and make the cost of pressure-proof underground construction 17 minimum as far as possible.Also have, in described embodiment, providing one by reinforcing fibre such as carbon fiber, behind isolation that glass fiber etc. the are made sieve 18, heavy mud just is filled in the space between the periphery wall of isolating sieve 18 and pressure-proof underground construction 17 and replaces common soil with heavy mud 20.Thereby, according to this process, be filled in by heavy mud 20 on the position of well 16 discharging common soil, isolate sieve 18 and be located between heavy mud 20 and the soil on every side 10.Like this, soil 10 on every side under the isolation situation with one for a long time section from heavy mud 20, remain, in addition, can prevent Leakage of groundwater, that is to say that heavy mud 20 leaks into the phenomenon that surrounding soil 10 goes and also can prevent.It should be noted that in described embodiment for preventing to make building 17 transpositions owing to buoyancy, pressure-proof underground construction 17 is securely fixed in the bottom of well 16 by concrete etc., in addition, isolates sieve 18 and also may be used among the above-mentioned embodiment.
Although the present invention is represented and is described by the embodiment that exemplifies, but those of ordinary skills are understood that under the prerequisite of design not of the present invention and scope for aforesaid embodiment multiple version and can be to its content of omitting and increasing is arranged, therefore, the present invention can not only limit to the understanding of the foregoing description and should be included in all possible embodiment in the scope that comprises and be equal to the additional technical theme that claim limited.
For example, when the present invention's argumentation is useful in the place of storage high pressure air in the CAES system with pressure-proof underground construction, be not limited to according to the rock-steady structure of pressure-proof underground construction of the present invention but may be used in any one pressure-proof underground construction of storing pressure fluid, as L.P.G or the like.
As mentioned above, according to the rock-steady structure that is used for pressure-proof underground construction of the present invention, because filled the heavy mud with higher special proportion, the influence of outside soil and surrounding soil situation can alleviate, like this, pressure-proof underground construction can be in underground firm support, in addition, by acting on the outer meter pressure on the building periphery wall, prestressing force is used for resisting the interior pressure that pressure fluid produces, therefore, tension stress can reduce with phenomenon such as prevent to ftracture effect with firm pressure-proof underground construction takes place.
In addition, useful carbon fiber between heavy mud of filling and outside soil, glass fiber etc. make the isolation sieve, isolate the thin iron pipe of the replaceable one-tenth of sieve.On the other hand,, can adopt waterproofing course to cover construction of tunnel as isolating sieve, like this, heavy mud can be for a long time and the underground water in the spoir isolated, also, can be easier to prevent the seepage of heavy mud because of like this.
Claims (4)
1. rock-steady structure that is used to store the pressure-proof underground construction of pressure fluid is characterized in that it comprises:
Be filled in described pressure-proof underground construction heavy mud on every side.
2. the rock-steady structure that is used for pressure-proof underground construction according to claim 1 is characterized in that, described heavy mud is a kind of liquid with specific gravity, and this proportion is equal to or less than the Unit Weight of the surrounding soil that surrounds described pressure-proof underground construction substantially.
3. the rock-steady structure that is used for pressure-proof underground construction according to claim 1 is characterized in that, described heavy mud is a kind of its characteristic at normal temperature and makes and be stored in the liquid that meets Pascal's law under the temperature that the fluid in the underground building obtains preserving.
4. the rock-steady structure that is used for pressure-proof underground construction according to claim 1 is characterized in that, a screen section is arranged on described being filled between the pressure-proof underground construction heavy mud and surrounding soil on every side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94120464 CN1063821C (en) | 1994-12-30 | 1994-12-30 | Stabilizing structure of pressure-proof underground construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94120464 CN1063821C (en) | 1994-12-30 | 1994-12-30 | Stabilizing structure of pressure-proof underground construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1125808A CN1125808A (en) | 1996-07-03 |
| CN1063821C true CN1063821C (en) | 2001-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94120464 Expired - Fee Related CN1063821C (en) | 1994-12-30 | 1994-12-30 | Stabilizing structure of pressure-proof underground construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1063821C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009145404A1 (en) * | 2008-05-28 | 2009-12-03 | Pyungsan Si Ltd. | Reinforcing apparatus for end part of underground-structure using corrugated multi plate and reinforcing method using the same |
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1994
- 1994-12-30 CN CN 94120464 patent/CN1063821C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1125808A (en) | 1996-07-03 |
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