CN204875878U - Bucket formula foundation structure goes up soil pressure meter and osmometer integral type installation device - Google Patents
Bucket formula foundation structure goes up soil pressure meter and osmometer integral type installation device Download PDFInfo
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- CN204875878U CN204875878U CN201520579127.3U CN201520579127U CN204875878U CN 204875878 U CN204875878 U CN 204875878U CN 201520579127 U CN201520579127 U CN 201520579127U CN 204875878 U CN204875878 U CN 204875878U
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Abstract
The utility model provides a bucket formula foundation structure goes up soil pressure meter and osmometer integral type installation device, including interconnect's soil pressure auxiliary member and pore water pressure auxiliary member, seted up soil pressure meter mounting hole and measurement contact surface in the soil pressure auxiliary member, after the soil pressure meter is installed in soil pressure meter mounting hole, the native ressure measurement face of soil pressure meter and the measurement contact surface flushes, having seted up pore water pressure meter mounting hole and pore water pressure in the pore water pressure auxiliary member and having measured the face, this pore water pressure sets up a plurality of holes of permeating water that are linked together with pore water pressure meter mounting hole on measuring the face, measures contact surface and pore water pressure measurement face and flushes. The utility model discloses can with soil pressure meter and pore pressure cell fixed mounting on the steel reinforcement cage of prefabricated staving, effectively protect soil pressure meter and pore pressure cell, just guarantee still that soil pressure meter and pore pressure cell install on the same position of observation station, finally guarantee the sensor and can normally monitor.
Description
Technical field
The utility model relates to building field, particularly relates to earth pressure gauge and osmometer integral type erecting device in a kind of tub foundation structure.
Background technology
Tub mole foundation structure is as a kind of novel foundation structure, be applicable to the muddy foundation of low bearing capacity, rely on PORT OF LIANYUNGANG Xu Xugang district breakwater engineering and propose, this project is located in by open type mud seashore, the maximum water depth in Jian Di region is up to more than 10 meters, wave height is close to 7 meters, and silt depth is about 10-20 rice.Tub mole foundation structure is sunk by negative pressure, do not need to carry out soft foundation improvement, by weak soil being enclosed in bucket at the bottom of bucket wall, cover plate, bucket dividing plate and bucket, to improve the interaction ability of weak soil and tub mole foundation structure, the load that its superstructure of shared is transmitted.
Tub mole foundation structure is a kind of novel foundation structure of relying on concrete engineering and proposing, it has many engineering advantages, and existing relevant unit has carried out some relevant research work round relying on the enforcement of engineering, but, as indoor model test and theoretical analysis and calculation, the domestic precedent that there is no the prototype measurement of this tub mole foundation structure.And tub mole foundation structure is as a kind of foundation structure pattern of extensive application prospect, need to carry out the prototype measurement of some necessity, research, summary and refinement to prefabricated, the construction of this foundation structure and the key technical problem of the aspect such as operation further, thus for forming complete set and the technical method of exercisable design, construction provides firsthand data data, so that the applying of this novel foundation structure.
Tub mole foundation structure relies on staving and weak soil acting in conjunction to resist external applied load, therefore when the stability of computing infrastructure, the calculating of soil pressure and pore water pressure is core content, and its regularity of distribution and size play control action to the result of calculation that foundation structure is stable.In Practical Project, the calculating of soil pressure and pore water pressure normally arranges earth pressure gauge and osmometer at the same position of foundation structure prototype, osmometer is also called pore pressure gauge, obtain soil pressure and the pore water pressure of this observation point simultaneously, so as by water and soil worthwhile divide to calculate with water and soil obtain effective soil pressure and excess pore water pressure.But, due to the deviation that the inhomogeneities of the soil body itself, earth pressure gauge and pore pressure gauge are buried underground, when earth pressure gauge and pore pressure gauge actual installation position and normal mounting position inconsistent time, the test data that sensor obtains cannot reflect soil pressure and the pore water pressure of same observation point completely, finally causes analyzing data and occurs deviation.
In sum; in engineering structures, the in-situ observation of soil pressure and pore water pressure is vital; it is also perplex the difficulties detecting engineer always; the link such as type selecting, demarcation, installation, protection of sensor (particularly earth pressure gauge and pore pressure gauge) is all most important, and any link goes wrong and all can cause in-situ observation work failure.In prior art, by the impact of construction environment, by earth pressure gauge and the direct colligation of pore pressure gauge on the reinforcing cage of tub mole foundation structure in position during observation, build at the formwork erection of tub mole foundation structure, mixed earth and in process of vibrating, easily cause sensor position offset, pore pressure gauge permeable stone by phenomenons such as cement paste blocking, sensor degradation like this, thus cause sensor to carry out normal monitoring, finally cause in-situ observation operation failure.In addition, in above-mentioned operation process, sensor installation period is longer, also larger on the impact of construction.
Utility model content
The shortcoming of prior art in view of the above; the technical problems to be solved in the utility model is to provide earth pressure gauge and osmometer integral type erecting device in a kind of tub foundation structure; it can available protecting earth pressure gauge and pore pressure gauge, and guarantees that earth pressure gauge and pore pressure gauge can be arranged on same position.
For achieving the above object, the utility model provides earth pressure gauge and osmometer integral type erecting device in a kind of tub foundation structure, comprise interconnective soil pressure auxiliary tool and pore water pressure auxiliary tool, one is offered for accommodating the earth pressure gauge installing hole of earth pressure gauge in described soil pressure auxiliary tool, soil pressure auxiliary tool is also provided with a measurement contact surface, when earth pressure gauge is installed on after in earth pressure gauge installing hole, the soil pressure measuring surface of earth pressure gauge flushes with described measurement contact surface; One is offered for accommodating the pore pressure gauge installing hole of pore pressure gauge in described pore water pressure auxiliary tool, pore water pressure auxiliary tool is also provided with a pore water pressure measuring surface, this pore water pressure measuring surface offers multiple permeable hole be connected with pore pressure gauge installing hole, and described measurement contact surface and pore water pressure measuring surface flush.
Further, described soil pressure auxiliary tool comprises interconnective fixed head and installing plate, and described earth pressure gauge installing hole is offered on a mounting board.
Preferably, the material of described soil pressure auxiliary tool and pore water pressure auxiliary tool is steel, and soil pressure auxiliary tool and pore water pressure auxiliary tool are for being welded to connect.
Further, when earth pressure gauge is installed on after in earth pressure gauge installing hole, described earth pressure gauge and earth pressure gauge installing hole are matched in clearance, and are fixed by epoxy glue between earth pressure gauge and earth pressure gauge installing hole and fill.
Preferably, when pore pressure gauge is installed on after in pore pressure gauge installing hole, by sand pack between described pore pressure gauge and pore pressure gauge installing hole, the diameter of described permeable hole is less than the diameter of sand grains.
Further, described soil pressure auxiliary tool offers an earth pressure gauge wire preformed hole be connected with earth pressure gauge installing hole, described pore water pressure auxiliary tool offers a pore pressure gauge wire preformed hole be connected with pore pressure gauge installing hole, and pore pressure gauge wire preformed hole can hold pore pressure gauge passes.
Preferably, when pore pressure gauge is installed on after in pore pressure gauge installing hole, described pore pressure gauge wire preformed hole passes through epoxy glue seal.
As mentioned above, earth pressure gauge and osmometer integral type erecting device in the tub foundation structure that the utility model relates to, have following beneficial effect:
Earth pressure gauge and pore pressure gauge can be fixedly mounted on the reinforcing cage of prefabricated staving by the utility model; and convenience quick for installation, accurate positioning; available protecting earth pressure gauge and pore pressure gauge; ensure that the survival rate of sensor; also ensure that earth pressure gauge and pore pressure gauge are arranged on the same position of observation point simultaneously; final guarantee sensor can normally be monitored, and improves the degree of accuracy of in-situ observation operation.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the structural representation of the utility model different angles.
Fig. 3 is elevation of the present utility model.
Fig. 4 is the upward view of Fig. 3.
Fig. 5 is the lower bucket bucket detached view point layout figure of tub mole foundation structure in the utility model one embodiment.
Fig. 6 be tub mole foundation structure in the utility model one embodiment lower bucket bucket dividing plate on observation point arrangement diagram.
Fig. 7 be tub mole foundation structure in the utility model one embodiment lower bucket cover plate on observation point arrangement diagram.
Fig. 8 be tub mole foundation structure in the utility model one embodiment lower bucket bucket bottom on observation point arrangement diagram.
Fig. 9 is lower bucket bucket wall each section earth pressure test average schematic diagram in the utility model one embodiment.
Figure 10 is lower bucket bucket wall each section pore water pressure testing mean schematic diagram in the utility model one embodiment.
Element numbers explanation
1 soil pressure auxiliary tool
11 earth pressure gauge installing holes
12 measure contact surface
13 fixed heads
14 installing plates
15 earth pressure gauge wire preformed holes
2 pore water pressure auxiliary tools
21 pore pressure gauge installing holes
22 pore water pressure measuring surface
23 permeable holes
24 pore pressure gauge wire preformed holes
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this manual can understand other advantages of the present utility model and effect easily.
Notice, structure, ratio, size etc. that this manual institute accompanying drawings illustrates, content all only in order to coordinate manual to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this manual as " on ", D score, "left", "right", " centre " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figures 1 to 4, the utility model provides earth pressure gauge and osmometer integral type erecting device in a kind of tub foundation structure, comprise interconnective soil pressure auxiliary tool 1 and pore water pressure auxiliary tool 2, one is offered for accommodating the earth pressure gauge installing hole 11 of earth pressure gauge in described soil pressure auxiliary tool 1, soil pressure auxiliary tool 1 is also provided with a measurement contact surface 12, when earth pressure gauge is installed on after in earth pressure gauge installing hole, the soil pressure measuring surface of earth pressure gauge flushes with described measurement contact surface, one is offered for accommodating the pore pressure gauge installing hole 21 of pore pressure gauge in described pore water pressure auxiliary tool 2, pore water pressure auxiliary tool 2 is also provided with a pore water pressure measuring surface 22, this pore water pressure measuring surface 22 offers multiple permeable hole 23 be connected with pore pressure gauge installing hole 21, described measurement contact surface 12 and pore water pressure measuring surface 22 flush, therefore when measuring, the soil pressure measuring surface of earth pressure gauge also flushes with pore water pressure measuring surface 22, thus make earth pressure gauge and pore pressure gauge can measure soil pressure and the pore water pressure at same observation point place.In addition, in the present embodiment, the quantity of described permeable hole 23 is more, distributes more closely knit.
During use, earth pressure gauge and pore pressure gauge are arranged in the earth pressure gauge installing hole 11 of soil pressure auxiliary tool 1 respectively, and in the pore pressure gauge installing hole 21 of pore water pressure auxiliary tool 2, again whole integral type erecting device is fixedly mounted on the reinforcing cage of tub mole foundation structure afterwards, its convenience quick for installation, accurate positioning, also can effectively ensure to be arranged on same position place at a certain observation point place earth pressure gauge and pore pressure gauge simultaneously, and the utility model can also the available protecting earth pressure gauge of accommodating and pore pressure gauge, ensure the survival rate of sensor, final guarantee sensor can normally be monitored, improve the degree of accuracy of in-situ observation operation.
Further, see Fig. 1, described soil pressure auxiliary tool 1 comprises interconnective fixed head 13 and installing plate 14, and described earth pressure gauge installing hole 11 is opened on installing plate 14, and for installing earth pressure gauge, described fixed head 13 is for being connected with reinforcing cage.Preferably, the material of described soil pressure auxiliary tool 1 and pore water pressure auxiliary tool 2 is steel, and be all not less than 5mm for the thickness of the steel plate making soil pressure auxiliary tool 1 and pore water pressure auxiliary tool 2, thus make soil pressure auxiliary tool 1 and pore water pressure auxiliary tool 2 all have certain rigidity, be conducive to protecting the earth pressure gauge installed and pore pressure gauge; In addition, described soil pressure auxiliary tool 1 and pore water pressure auxiliary tool 2 for being welded to connect, to become an integrally-built earth pressure gauge and pore pressure gauge integral type erecting device.
Further, as shown in Figure 1, the shape of described earth pressure gauge installing hole 11 and the shape of earth pressure gauge suitable, and the appearance and size of earth pressure gauge installing hole 11 is slightly larger than the appearance and size of earth pressure gauge, namely when earth pressure gauge is installed on after in earth pressure gauge installing hole 11, described earth pressure gauge and earth pressure gauge installing hole 11 are matched in clearance, thus are convenient to the installation of earth pressure gauge.In addition, before installation earth pressure gauge, first smear epoxy glue in the bottom of earth pressure gauge installing hole 11, put into earth pressure gauge more afterwards and with epoxy glue by closely knit for the gap between earth pressure gauge and soil pressure auxiliary tool 1, namely fixed by epoxy glue between earth pressure gauge and earth pressure gauge installing hole 11 and fill, thus making earth pressure gauge installation rear surface smooth.Preferably, described soil pressure auxiliary tool 1 offers an earth pressure gauge wire preformed hole 15 be connected with earth pressure gauge installing hole 11, be convenient to after installing earth pressure gauge, the wire of earth pressure gauge passes and introduces observation room from the earth pressure gauge wire preformed hole 15 soil pressure auxiliary tool 1.
Further, as depicted in figs. 1 and 2, pore pressure gauge installing hole 21 one end on described pore water pressure auxiliary tool 2 is closed, and the other end is provided with opening, this opening defines pore pressure gauge wire preformed hole 24, and pore pressure gauge wire preformed hole 24 can hold pore pressure gauge passes; When installing pore pressure gauge, first passed from the pore pressure gauge wire preformed hole 24 on pore water pressure auxiliary tool 2 by pore pressure gauge and be positioned in pore pressure gauge installing hole 21, the wire of described pore pressure gauge passes rear introducing observation room from pore pressure gauge wire preformed hole 24; Carry out dense packing effect with thicker sand grains more afterwards, the diameter of described sand grains is greater than the diameter of permeable hole 23, thus can prevent sand grains from spilling from permeable hole 23; After sand pack completes, use epoxy glue seal at pore pressure gauge wire preformed hole 24 place.
The utility model also relates to earth pressure gauge and osmometer integral type mounting method in a kind of tub foundation structure, comprises the following steps:
1, in advance earth pressure gauge and pore pressure gauge are fixedly mounted in the erecting device that the utility model relates to;
2, sensor is placed into the predetermined observation point place of prefabricated tub mole foundation structure together with erecting device, the spacing between the reinforcing cage adjusting erecting device and tub mole foundation structure according to designed mixed earth protective layer thickness;
3, erecting device is welded on reinforcing cage, and makes sensor cover to template direction;
4, the test lead of earth pressure gauge and the segmentation of pore pressure gauge test lead are fixed on reinforcing cage, and the test lead of earth pressure gauge and pore pressure gauge test lead are introduced observation room;
5, layer of plastic film is covered at permeable hole 23 place of pore water pressure auxiliary tool 2, in order to avoid slurry stretches in permeable hole 23 and blocks permeable hole 23 during concreting;
6, on the measurement contact surface 12 and pore water pressure measuring surface 22 of erecting device, cover a layer thickness and be about the thick compressive foam of 2cm, after guaranteeing model sheetinstallat, gap between template and sensor (i.e. earth pressure gauge and pore pressure gauge) is filled by foamed plastics, thus gap can not be covered by concrete, and then after ensureing form removal, sensor can be in normal operating conditions;
7, installation form, concreting;
8, stripping, removes foamed plastics and the plastic sheeting on erecting device surface, checks the installation situation of sensor, guarantee that the permeable hole 23 on pore water pressure auxiliary tool 2 is not blocked.
Can be completed on the reinforcing cage being fixed to prefabricated staving fast of earth pressure gauge and pore pressure gauge by above-mentioned steps, guarantee that earth pressure gauge and pore pressure gauge are arranged on same position, not by the impact of the work progress such as template, concrete, install very convenient, sensing station accurate positioning; And erecting device itself has certain rigidity, be conducive to the protection of sensor, ensure that the survival rate of sensor, and the impact of installation various kinds of sensors on staving prefabricated construction is dropped to minimum.
Below exemplify the beneficial effect that an embodiment can obtain to further illustrate the utility model:
Multiple observation points in prefabricated tub mole foundation structure install earth pressure gauge and pore pressure gauge, when earth pressure gauge and pore water pressure timing need be installed by certain observation point place simultaneously, then first earth pressure gauge and pore pressure gauge are installed in the erecting device that the utility model relates to, then erecting device are fixed on the position on this observation point place reinforcing cage together with sensor.In tub mole foundation structure involved by embodiment, lower bucket bucket detached view point layout as shown in Figure 5, on lower bucket bucket dividing plate, observation point is arranged as shown in Figure 6, on lower bucket cover plate, observation point is arranged as shown in Figure 7, lower bucket bucket bottom observation point is arranged as shown in Figure 8, in Fig. 5 to Fig. 8, rectangle represents that the earth pressure gauge that this observation point place installs, circle represent the pore pressure gauge that this observation point place installs.
Adopt the method for wireless remote remote measurement during monitoring, by the access measurement and control units such as the data wire of sensor test wire, instrument, i.e. data collecting system, design formulas is: u=k (f
i 2-f
0 2);
In above-mentioned formula: u-soil pressure pore water pressure (kPa);
K-calibration coefficient (kPa/Hz2);
F
i-test frequency (Hz);
F
0-original frequency (Hz).
Monitoring result is:
The lower bucket cover plate of tub mole foundation structure is chosen typical separation and is buried 6 earth pressure gauges and 2 pore pressure gauges altogether underground, and as shown in Figure 7, test result change coincide with field working conditions, regular good.All there is air supporting process in lower bucket cover plate earth pressure gauge, pore pressure gauge test maximum value (air pressure), in air supporting process, the maximum value of soil pressure and pore water pressure is respectively 177kPa and 190kPa, betides No. 2 cabins and No. 8 cabins respectively.It is 90kPa that negative pressure sinks to stablizing rear earth pressure gauge testing mean (hydraulic pressure), and pore pressure gauge testing mean is 94kPa, and soil pressure force value is substantially identical with pore water pressure force value.Run so far, earth pressure gauge test value (hydraulic pressure) is in 27kPa (low tide) ~ 135kPa (high water mark) scope, and pore pressure gauge test value is in 64kPa (low tide) ~ 137kPa (high water mark) scope.
The sidewall of tub mole foundation structure buries 50 earth pressure gauges altogether underground, point 7 surveys line, and 10 measuring points respectively buried underground by extra large side and 2, side, port survey line, and 6 measuring points respectively buried underground by all the other 5 surveys line, and test result change coincide with field working conditions, regular good.Sidewall earth pressure measurement examination maximum value comes across in air supporting process, is worth for 330kPa; Pore pressure gauge test maximum value comes across in air supporting process, is worth for 267kPa.Under negative pressure sinking operating mode, earth pressure gauge test maximum value is within the scope of 101kPa ~ 310kPa, and pore pressure gauge test maximum value is within the scope of 100kPa ~ 225kPa.Run sidewall earth pressure and pore water pressure test value so far substantially constant, earth pressure gauge test maximum value is within the scope of 125kPa ~ 207kPa, and pore pressure gauge test maximum value is within the scope of 169kPa ~ 205kPa.Negative pressure sink stable after, substantially equal with side, elevation sea, land lateral earth pressure, interstitial hydraulic pressure, without toppling over trend; Each elevation section soil pressure, pore water pressure testing mean are from the top down in trapezoidal profile, and measured value conforms to substantially with theory, respectively as shown in Figure 9 and Figure 10.
The bucket bottom of tub mole foundation structure buries 16 earth pressure gauges altogether underground, 4 pore pressure gauges, and as shown in Figure 8, test result change coincide with field working conditions, regular good.Bottom earth pressure gauge test maximum value comes across in negative pressure sinking watching, is worth for 970kPa; Interstitial hydraulic pressure measurement examination maximum value comes across in negative pressure sinking watching, is worth for 293kPa.It is 467kPa that negative pressure sinks to stablizing rear earth pressure gauge testing mean, and interstitial hydraulic pressure meter testing mean is 229kPa, substantially conforms to the complete theoretical pressure value of sinking.Under transportation by driving operating mode, earth pressure gauge test value (hydraulic pressure) is within the scope of 78kPa ~ 131kPa, and interstitial hydraulic pressure meter test value is within the scope of 96kPa ~ 100kPa.Under correction operating mode of sinking, earth pressure gauge test maximum value is within the scope of 361kPa ~ 600kPa, and interstitial hydraulic pressure measurement examination maximum value is within the scope of 200kPa ~ 280kPa.Under negative pressure sinking operating mode, earth pressure gauge test maximum value is within the scope of 533kPa ~ 970kPa, and interstitial hydraulic pressure measurement examination maximum value is within the scope of 217kPa ~ 293kPa.Afterwards along with passage of time, earth pressure gauge test value increases gradually, and the soil body progressively recovers, and testing mean is 528kPa; Excess pore water pressure progressively dissipates, and pore pressure gauge test value reduces gradually, and testing mean is 216kPa, and effective soil pressure increases to 252kPa.
Soil pressure, interstitial hydraulic pressure detection monitoring result from tub mole foundation structure:
1, under cover plate, earth pressure gauge test value and interstitial hydraulic pressure meter test value are substantially suitable, and sensor place cover plate not yet produces effective soil pressure.
2, negative pressure sinks rear bucket wall soil pressure (hole pressure) from the top down in trapezoidal profile, and the measured value of each section part all conforms to theory.
3, bucket end soil pressure average be 455kPa, hole flatten average be 233kPa.
In sum, Validity Test can be carried out to the soil pressure of tub mole foundation structure and interstitial hydraulic pressure by the utility model, test out the soil pressure of tub mole foundation structure and the regularity of distribution of interstitial hydraulic pressure and size, and then provide firsthand data data for the optimal design of novel tub mole foundation structure and construction in later period.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (7)
1. earth pressure gauge and osmometer integral type erecting device in a tub foundation structure, it is characterized in that: comprise interconnective soil pressure auxiliary tool (1) and pore water pressure auxiliary tool (2), one is offered for accommodating the earth pressure gauge installing hole (11) of earth pressure gauge in described soil pressure auxiliary tool (1), soil pressure auxiliary tool (1) is also provided with a measurement contact surface (12), when earth pressure gauge is installed on after in earth pressure gauge installing hole (11), the soil pressure measuring surface of earth pressure gauge flushes with described measurement contact surface (12); One is offered for accommodating the pore pressure gauge installing hole (21) of pore pressure gauge in described pore water pressure auxiliary tool (2), pore water pressure auxiliary tool (2) is also provided with a pore water pressure measuring surface (22), this pore water pressure measuring surface (22) offers multiple permeable hole (23) be connected with pore pressure gauge installing hole (21), described measurement contact surface (12) and pore water pressure measuring surface (22) flush.
2. earth pressure gauge and osmometer integral type erecting device in tub foundation structure according to claim 1, it is characterized in that: described soil pressure auxiliary tool (1) comprises interconnective fixed head (13) and installing plate (14), described earth pressure gauge installing hole (11) is opened on installing plate (14).
3. earth pressure gauge and osmometer integral type erecting device in tub foundation structure according to claim 1, it is characterized in that: the material of described soil pressure auxiliary tool (1) and pore water pressure auxiliary tool (2) is steel, and soil pressure auxiliary tool (1) and pore water pressure auxiliary tool (2) are for being welded to connect.
4. earth pressure gauge and osmometer integral type erecting device in tub foundation structure according to claim 1, it is characterized in that: when earth pressure gauge is installed on after in earth pressure gauge installing hole (11), described earth pressure gauge and earth pressure gauge installing hole (11) are matched in clearance, and are fixed by epoxy glue between earth pressure gauge and earth pressure gauge installing hole (11) and fill.
5. earth pressure gauge and osmometer integral type erecting device in tub foundation structure according to claim 1, it is characterized in that: when pore pressure gauge is installed on after in pore pressure gauge installing hole (21), by sand pack between described pore pressure gauge and pore pressure gauge installing hole (21), the diameter of described permeable hole (23) is less than the diameter of sand grains.
6. earth pressure gauge and osmometer integral type erecting device in tub foundation structure according to claim 1, it is characterized in that: described soil pressure auxiliary tool (1) offers an earth pressure gauge wire preformed hole (15) be connected with earth pressure gauge installing hole (11), described pore water pressure auxiliary tool (2) offers a pore pressure gauge wire preformed hole (24) be connected with pore pressure gauge installing hole (21), and pore pressure gauge wire preformed hole (24) can hold pore pressure gauge passes.
7. earth pressure gauge and osmometer integral type erecting device in tub foundation structure according to claim 6, it is characterized in that: when pore pressure gauge is installed on after in pore pressure gauge installing hole (21), described pore pressure gauge wire preformed hole (24) passes through epoxy glue seal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579127.3U CN204875878U (en) | 2015-08-04 | 2015-08-04 | Bucket formula foundation structure goes up soil pressure meter and osmometer integral type installation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133669A (en) * | 2015-07-01 | 2015-12-09 | 上海港湾工程质量检测有限公司 | Integrated installation device and method for soil pressure meter and osmometer on barrel-type foundation structure |
-
2015
- 2015-08-04 CN CN201520579127.3U patent/CN204875878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133669A (en) * | 2015-07-01 | 2015-12-09 | 上海港湾工程质量检测有限公司 | Integrated installation device and method for soil pressure meter and osmometer on barrel-type foundation structure |
| CN105133669B (en) * | 2015-07-01 | 2017-01-18 | 上海港湾工程质量检测有限公司 | Integrated installation device and method for soil pressure meter and osmometer on barrel-type foundation structure |
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