CN217378845U - Temporary filling device easy to sink and used for construction of underground wall joint - Google Patents
Temporary filling device easy to sink and used for construction of underground wall joint Download PDFInfo
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- CN217378845U CN217378845U CN202220290033.4U CN202220290033U CN217378845U CN 217378845 U CN217378845 U CN 217378845U CN 202220290033 U CN202220290033 U CN 202220290033U CN 217378845 U CN217378845 U CN 217378845U
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Abstract
The utility model discloses an easily sink into ground among the geotechnical engineering technical field even wall connects construction with interim filling device, including the utricule, the utricule includes outer bag and is located the inside cavity of outer bag, and the bottom of outer bag is equipped with the counter weight filler opening with the cavity intercommunication, and counter weight filler opening department is equipped with counter weight filling valve, and counter weight iron sand fills the inside counter weight iron sand layer that forms of outer bag by the counter weight filler opening. The utility model discloses an increase counter weight iron sand in the bottom of outer bag, solved current filling device and be difficult to sink in the use, sink the not good problem of effect, it has promoted the effect of sinking and sinks the straightness that hangs down of packing the bag in the use.
Description
Technical Field
The utility model relates to a geotechnical engineering technical field, specific theory relates to an easily immerse ground even wall connects construction with interim filling device.
Background
At present, with the deep development of foundation pits, underground continuous walls are widely used as foundation pit enclosing structures, and the joints of diaphragm walls are used as key links of diaphragm wall construction, so that quality control is difficult. Based on this, the temporary filling device is now used to assist in the diaphragm wall joint construction.
However, in the actual use process, after the diaphragm wall grooving is finished, the quality control of the slurry density is generally that the slurry density in the groove is not more than 1.15g/cm 3 The density of the slurry with the depth of 0.5-1.0 m at the bottom of the tank is not more than 1.25g/cm 3 The material density of the filling device is not greatly different from the density of the slurry, and the filling device is vertically longer and has more uniform mass distribution, so that the center of gravity of the filling device is approximately at the geometric center of the product. Therefore, the filling device is influenced by the resistance of slurry in the sinking process, so that the problems of difficult sinking, poor sinking effect and the like easily occur.
The above-mentioned drawbacks, worth improving.
Disclosure of Invention
In order to overcome the not enough of current technique, the utility model provides an easily immerse ground even wall joint construction is with interim filling device.
The utility model discloses technical scheme as follows:
the temporary filling device for the construction of the easily-sunk underground diaphragm wall joint comprises an airbag, wherein the airbag comprises an outer airbag and a cavity positioned in the outer airbag, and is characterized in that a counterweight filling port communicated with the cavity is formed in the bottom of the outer airbag, and a counterweight filling valve is arranged at the counterweight filling port;
and the counterweight iron sand is filled into the outer bag through the counterweight filling port to form a counterweight iron sand layer.
According to above-mentioned scheme the utility model discloses, its characterized in that has the balance weight iron sand layer the average density of utricule is greater than the average value of the inslot mud density after the diaphragm wall grooving.
Further, the average density of the capsule body with the balance weight iron sand layer is 1.3 times of the average value of the density of slurry in the tank.
According to above-mentioned scheme the utility model discloses, its characterized in that, the longitudinal length of utricule is greater than its transverse section width/diameter.
According to the above scheme the utility model discloses, its characterized in that, the material of outer bag is rubber.
According to the above scheme the utility model discloses, a serial communication port, be equipped with the inner bag that a plurality of equidistance distribute in the cavity, adjacent two between the inner bag, at top the inner bag with between the inner bag water inlet at outer bag top, the bottom the inner bag with all communicate through the siphunculus between the inner bag drain of outer bag bottom.
Furthermore, a filling cavity is arranged between the bottom of the outer bag and the bottom of the inner bag, and the counterweight iron sand layer is located in the filling cavity.
Furthermore, a through pipe is arranged in each inner bag and penetrates through the inner bag, and a pipe valve is arranged at the top of the through pipe.
According to the above scheme the utility model discloses, its characterized in that, the top of outer bag is equipped with the outer bag water inlet, the outer bag water inlet with the cavity intercommunication.
According to above-mentioned scheme the utility model discloses, a serial communication port, the top of outer bag is equipped with the sensing interface, be equipped with pressure sensor in the sensing interface.
According to the above scheme the utility model discloses, its beneficial effect lies in, the utility model discloses adding the counter weight iron sand in the bottom in filling device and increasing the density difference of whole filling device and mud, can make filling device's focus shift downwards through counter weight iron sand simultaneously, solved current counter weight device and sink into the difficulty, sink into the defect that the effect is not good, promoted the effect of sinking and sinking the straightness that hangs down of filling the bag in the use.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic diagram of an embodiment of the present invention.
In the figures, the various reference numbers are:
10-outer capsule;
11-inner capsule; 111-pipe penetration; 112-a tube valve; 113-a through pipe;
12-a cavity;
131-an inner bag water inlet valve; 132-an outer bladder inlet valve; 133-a pressure sensor;
141-inner bag blowoff valve; 142-a weighted fill valve;
20-counterweight iron sand layer.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
as shown in fig. 1 to 3, the utility model discloses a solve the density difference of filling device and mud among the current ground even wall joint work progress less, be difficult to the defect of sinking, provided an easily immerse ground even wall joint construction with interim filling device, its density and focus through changing whole filling device make its resistance that can overcome mud normally sink to guarantee to immerse the effect.
The temporary filling device for the construction of the easily-immersed underground diaphragm wall joint comprises a bag body, wherein the bag body comprises an outer bag 10 and a cavity 12 positioned inside the outer bag 10, the outer bag 10 serves as a supporting body of the whole filling device, and the outer bag is contacted with external slurry in an immersing process. Preferably, the outer bag 10 is made of rubber, so that water can be filled into the outer bag 10 conveniently, the cost of the whole temporary filling device is reduced, and a good construction effect is ensured.
In order not influencing under the condition of whole filling device structural stability and realization purpose, in order to increase the average density of whole utricule, reduce the focus position of whole utricule, the utility model discloses in, the bottom of outer bag 10 is equipped with the counter weight filling opening (not shown in the figure, same down) that communicates with cavity 12, and counter weight filling opening department is equipped with counter weight filling valve 142, fills into counter weight iron sand through the bottom of the outside bag 10 of counter weight filling opening for counter weight iron sand fills the inside counter weight iron sand layer 20 that forms of outer bag 10 by the counter weight filling opening. Utilize the characteristics that counter weight iron sand density is big, reduce the focus position of whole utricule, increase the average density of whole utricule simultaneously.
In particular, the average density of the capsules with the weighted iron sand layer 20 is denoted as ρ Capsule 2 (unit is kg/m) 3 ) The average density of the unweighted bladder is denoted as ρ Capsule 1 (unit is kg/m) 3 ) Volume of the entire outer bag 10 in the non-flushing state is V Capsule (unit is m) 3 ) The formula for calculating the mass m of the counterweight iron sand to be charged is as follows: m = (ρ) Capsule 2 -ρ Capsule 1 )×V Capsule 。
In order to guarantee the good effect of sinking of utricule, ensure the stability of sinking, the utility model discloses in, the average density of the utricule that has counter weight iron sand layer 20 is greater than the average value of the inslot mud density after the wall grooving even. In a preferred embodiment, the average density of the capsules with the weighted iron sand layer 20 is 1.3 times the average of the density of the slurry in the tank, i.e. ρ Capsule 2 =1.2ρ Mud In the formula rho Mud Expressed as the mean value of the density of the slurry in the tank measured in situ after completion of the tank formation (in kg/m) 3 ）。
The longitudinal length of the capsule body in the utility model is larger than the width/diameter of the transverse section. In order to ensure the smooth sinking of the capsule body, the outer capsule 10 with a circular section can be selected, and based on the circular section, the longitudinal overall length of the capsule body is larger than the diameter of the section; if other shapes of outer bag are selected, the longitudinal overall length of the bag body is larger than the longest width of the cross section of the bag body.
As shown in fig. 3, in a specific embodiment, a plurality of inner bags 11 are arranged in the cavity 12 at equal intervals, a tube 111 is arranged inside each inner bag 11, the tube 111 penetrates through the inner bag 11, and a tube valve 112 is arranged at the top of the tube 111. The water inlet of the inner bag 131 for controlling the water inlet of the inner bag is arranged at the water inlet of the inner bag, and the sewage discharge valve 141 for controlling the sewage discharge of the inner bag is arranged at the sewage discharge port of the inner bag.
In this embodiment, a filling cavity is provided between the bottom of the outer bag 10 and the bottom of the inner bag 11, and the counterweight iron sand layer 20 is located in the filling cavity, so as to facilitate filling of the counterweight iron sand, and control the average density of the whole bag body while ensuring that the center of gravity of the bag body moves downward.
In this embodiment, an outer bag water inlet (not shown, the same applies below) is formed at the top of the outer bag 10, the outer bag water inlet is communicated with the cavity 12, an outer bag water inlet valve 132 is formed at the outer bag water inlet, and water is flushed into the cavity 12 inside the outer bag 10 through the outer bag water inlet valve 132 and the outer bag water inlet.
Preferably, the top of the outer bag 10 is provided with a sensing interface, a pressure sensor 133 is arranged in the sensing interface, the pressure inside the bag body can be monitored in real time through the pressure sensor 133, the pressure of the whole filling device is guaranteed to be normal, and the construction safety is guaranteed.
The utility model discloses at the realization in-process, earlier fill valve 142, counter weight through the counter weight, the counter weight is filled the inside bottom side packing quality of mouthful outside 10 bags and is calculated for the counter weight iron sand of m (the formula is gone up and is obtained), make it form counter weight iron sand layer, then use the crane to mention the top of utricule, guarantee the utricule when natural vertical state, slowly make the utricule sink to ground even wall inslot perpendicularly, carry out utricule measures such as adding water afterwards, accomplish follow-up work progress.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.
Claims (10)
1. A temporary filling device for construction of an easily-sunk underground diaphragm wall joint comprises an airbag body, wherein the airbag body comprises an outer bag and a cavity positioned in the outer bag;
and the counterweight iron sand is filled into the outer bag through the counterweight filling port to form a counterweight iron sand layer.
2. The temporary filling device for the construction of the easy-to-sink diaphragm wall joint according to claim 1, wherein the average density of the capsule with the weighted iron sand layer is larger than the average value of the density of slurry in the slot after diaphragm wall slotting.
3. The temporary filling device for easy-to-sink ground connection wall joint construction according to claim 2, wherein the average density of the capsule with the weighted iron sand layer is 1.3 times the average of the density of slurry in the tank.
4. The temporary filling device for the construction of an easily submersible diaphragm wall joint according to claim 1, wherein the longitudinal length of the bladder is greater than the transverse sectional width/diameter thereof.
5. The temporary filling device for the construction of the easy-to-sink diaphragm wall joint according to claim 1, wherein the material of the outer bladder is rubber.
6. The temporary filling device for the construction of the easily-submerged underground diaphragm wall joint as claimed in claim 1, wherein a plurality of inner bags are arranged in the cavity at equal intervals, and the adjacent two inner bags, the top inner bag and the top inner bag water inlet of the outer bag, and the bottom inner bag sewage outlet of the outer bag are communicated through pipes.
7. The temporary filling device for the construction of the easy-to-sink diaphragm wall joint according to claim 6, wherein a filling cavity is provided between the bottom of the inner bag and the bottom of the outer bag, and the weighted iron sand layer is located in the filling cavity.
8. The temporary filling device for the construction of the easily-submersible diaphragm wall joint according to claim 6, wherein a through pipe is arranged inside each inner bag, the through pipe penetrates through the inner bag, and a pipe valve is arranged at the top of the through pipe.
9. The temporary filling device for the construction of the easy-to-sink diaphragm wall joint as claimed in claim 1, wherein the top of the outer bladder is provided with an outer bladder water inlet which is communicated with the cavity.
10. The temporary filling device for the construction of the easily-submerged diaphragm wall joint as claimed in claim 1, wherein a sensing port is provided at the top of the outer bag, and a pressure sensor is provided in the sensing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220290033.4U CN217378845U (en) | 2022-02-14 | 2022-02-14 | Temporary filling device easy to sink and used for construction of underground wall joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220290033.4U CN217378845U (en) | 2022-02-14 | 2022-02-14 | Temporary filling device easy to sink and used for construction of underground wall joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217378845U true CN217378845U (en) | 2022-09-06 |
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ID=83098767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220290033.4U Active CN217378845U (en) | 2022-02-14 | 2022-02-14 | Temporary filling device easy to sink and used for construction of underground wall joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217378845U (en) |
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2022
- 2022-02-14 CN CN202220290033.4U patent/CN217378845U/en active Active
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