CN103469826B - Seam structure with reversed filter function and construction method - Google Patents
Seam structure with reversed filter function and construction method Download PDFInfo
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- CN103469826B CN103469826B CN201310412296.3A CN201310412296A CN103469826B CN 103469826 B CN103469826 B CN 103469826B CN 201310412296 A CN201310412296 A CN 201310412296A CN 103469826 B CN103469826 B CN 103469826B
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- filter part
- structural member
- filter
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Abstract
A seam structure with a reversed filter function comprises a seam component which comprises a reversed filter portion and a connection portion. One side of the connection portion is fixedly connected with a structural part on one side, the other side of the connection portion is connected with one side of the reversed filter portion, one side of the reversed filter portion is closely attached to the structural part on one side, and the other side of the reversed filter portion is closely attached to a structural part on the other side. The reversed filter portion is made of compressible and rebounding reversed filter materials, tiny holes are distributed in the reversed filter portion, sizes of the tiny holes are larger than those of water molecules, and the relation between effective aperture sizes of the reversed filter portion and protected soil characteristic particle sizes is in accordance with reversed filter criteria. The invention further provides a seam structure construction method. According to the seam structure with the reversed filter function and the construction method, drainage and soil protection functions are combined, and costs are low.
Description
Technical field
The present invention relates to the joint treatment field between precast construction part, especially a kind of seam construction and construction method.
Background technology
Need between the precast construction part such as precast construction class retaining wall, sheet pile wall, little open caisson group in all kinds of civil engineering to consider joint treatment, gap between existing prefabricated structural member or between prefabricated units and site concrete, close, water can not be crossed between gap and also can not flow soil, do not do any process, though water can be crossed between gap easily produce the native problem of stream.Common engineering ignores more the importance that draining and soil conservation function possess simultaneously, when some engineering considers that this function needs, then other engineering measure often taking expense not low separately in both sides, gap.
Summary of the invention
Draining and soil conservation function, deficiency that cost is high can not be had concurrently in order to what overcome joint treatment mode between existing precast construction part, the invention provides and a kind ofly have draining and soil conservation function, lower-cost seam construction and the construction method with anti-filter function concurrently.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of seam construction with anti-filter function, comprise joint assembly, described joint assembly comprises anti-filter part and coupling part, side, described coupling part is fixedly connected with the structural member of wherein side, described coupling part opposite side is connected with the side of described anti-filter part, the side of described anti-filter part abuts against on the structural member of described side, and the opposite side of described anti-filter part abuts against on opposite side structural member;
Described anti-filter part adopts filtration material that is compressible and resilience; described anti-filter part distributes micropore; the size of described micropore is larger than hydrone, and the effective aperture size of described anti-filter part and the relation of protected native characteristic diameter size meet filter criterion, that is:
O
95≤Bd
85
In formula, O
95for the effective aperture of anti-filter part, d
85for the characteristic diameter of protected soil, B is coefficient, determines by engineering experience, gets 0.5 ~ 3.
Further, described coupling part and described anti-filter part, in one, can be prefabricated into one, also can be assembled into one.Certainly, be separately also fine.
Further again, described anti-filter part is elongate in shape or band shape;
The cross section of described anti-filter part can be solid, also can be hollow, can fiberfill fibers shape material in described hollow chamber;
The cross-sectional profile of described anti-filter part can be circular, can be oval or other is special-shaped.
Further, the coated diaphragm in outside of described anti-filter part, to prevent in the processes such as prefabricated, transport, anti-filter part is by foreign matters from being blocked, and this structure is applicable to pre-buried mode.
Described opposite side structural member and described anti-filter part opposite side joint are provided with lubricating layer, and which is to reduce frictional force when described opposite side structural member is installed between contact surface.
Described lubricating layer is lubricant coating or helps slide plate.Or other lubricating systems.
A construction method for seam construction, described construction method comprises the following steps:
(1) anti-filter part side is fixedly connected with side structural member by coupling part;
Described anti-filter part adopts filtration material that is compressible and resilience; described anti-filter part distributes micropore; the size of described micropore is larger than hydrone, and the effective aperture size of described anti-filter part and the relation of protected native characteristic diameter size meet filter criterion, that is:
O
95≤Bd
85
In formula, O
95for the effective aperture of anti-filter part, d
85for the characteristic diameter of protected soil, B is coefficient, determines by engineering experience, gets 0.5 ~ 3;
(2) will be fixed with the side structural member installation in position of anti-filter part, then install opposite side structural member, the side of described anti-filter part abuts against on the structural member of described side, and the opposite side of described anti-filter part abuts against on opposite side structural member.
Further, described coupling part is embedding or be assemblied on the structural member of described side, can be prefabricated into one, also can be assembled into one.
The coated diaphragm in outside of described anti-filter part, in described step (1), anti-filter part adopts pre-buried mode to be embedded in side structural member, is removed by the exposed parts of diaphragm when side structural member is installed.Certainly, coupling part and side structural member also can adopt directly fixing mode.
Further again, in described step (2), opposite side structural member does lubricated at the position with anti-filter part contact, which is to reduce frictional force when described opposite side structural member is installed between contact surface.Described lubricating layer is lubricant coating or helps slide plate.Or other lubricating systems.
During adjacent bonds Components installation, adopt external force suitably to be reduced in gap, make joint assembly produce compressive strain.
Technical conceive of the present invention is: at the contact surface of one of them adjacent works, pre-buried one or more special joint filler; Joint filler critical piece by a kind of compressible with resilience, the coupling part of the anti-filter part and fixing anti-filter part with certain tension abrasion resistance forms, the side of described anti-filter part is fixed on by coupling part or is embedded in the wherein side structural member, the opposite side that need to carry out joint treatment and makes it be close proximity on opposite side structural member by certain compressive strain; Described anti-filter part; also have and be called " filter screen "; to be weaved by fibrous material or nonwoven processes is made; be covered with countless fine pore; these holes can draining; but do not need protected soil by structural member riding position, also can not silt by protected soil particle up, also namely meet " filter criterion " that " Technical code for application of geosynthetics GB50290 " defines.
Beneficial effect of the present invention is mainly manifested in: 1, have draining and soil conservation function concurrently, effectively reduce dorsal part soil, water pressure; 2, cost is lower.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the seam construction with anti-filter function.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the schematic diagram of the first joint assembly.
Fig. 4 is the schematic diagram of the second joint assembly.
Fig. 5 is the schematic diagram of the third joint assembly.
Fig. 6 is the schematic diagram of the 4th kind of joint assembly.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
With reference to Fig. 1 ~ Fig. 6, a kind of seam construction with anti-filter function, comprise joint assembly, described joint assembly comprises anti-filter part 1 and coupling part 2, side, described coupling part 2 is fixedly connected with side structural member 3, described coupling part 2 opposite side is connected with the side of described anti-filter part 1, and the side of described anti-filter part 1 abuts against on described side structural member 3, and the opposite side of described anti-filter part 1 abuts against on opposite side structural member 4;
Described anti-filter part 1 adopts compressible and filtration material that is resilience; described anti-filter part distributes micropore; the size of described micropore is larger than hydrone, and the effective aperture size of described anti-filter part and the relation of protected native characteristic diameter size meet filter criterion, that is:
O
95≤Bd
85
In formula, O
95for the effective aperture of anti-filter part, d
85for the characteristic diameter of protected soil, B is coefficient, determines by engineering experience, gets 0.5 ~ 3.
Further, described coupling part 2 and described anti-filter part 1, in one, can be prefabricated into one, also can be assembled into one.Certainly, be separately also fine.
Further again, described anti-filter part 2 is elongate in shape or band shape, the cross section of described anti-filter part 2 can be solid, also can be hollow, the cross-sectional profile of described anti-filter part 2 can be circular, can be oval or other is special-shaped, can fiberfill fibers shape material in the hollow chamber of described anti-filter part 2.
Further, the coated diaphragm 6 in outside of described anti-filter part 2, to prevent in the processes such as prefabricated, transport, anti-filter part is by foreign matters from being blocked, and this structure is applicable to pre-buried mode.
Described opposite side structural member 4 is provided with lubricating layer 5 with described anti-filter part 1 opposite side joint, to reduce frictional force when described opposite side structural member is installed between contact surface.
Described lubricating layer 5 is for lubricant coating or help slide plate.Or other lubricating systems.
In the present embodiment, described anti-filter part 1, can have cavity, filling can meet the material of " filter criterion " equally in cavity.When anti-filter part 1 adopts pre-buried mode to be embedded in structural member 3, the outside of anti-filter part 1 need be wrapped up with thin-film material 6, in case damage when structural member 3 is built prefabricated or blocking anti-filter part 1, is removed by the exposed parts of thin-film material 6 when structural member 3 is installed again.
At the contact surface of another works structural member 4, with pre-buried joint filler correspondence position, smear help sliding lubriation material or pre-buried, fixedly help sliding flaky material 5, flaky material can be galvanized sheet iron, corrosion resistant plate etc.
When adjacent structure thing is installed, external force should be adopted suitably to be reduced in gap, make joint filler produce compressive strain.
Embodiment 2
With reference to Fig. 1 ~ Fig. 6, a kind of construction method of seam construction, described construction method comprises the following steps:
(1) anti-filter part 1 one end is fixedly connected with side structural member 3 by coupling part 2;
Described anti-filter part 1 adopts compressible and filtration material that is resilience; described anti-filter part distributes micropore; the size of described micropore is larger than hydrone, and the effective aperture size of described anti-filter part and the relation of protected native characteristic diameter size meet filter criterion, that is:
O
95≤Bd
85
In formula, O
95for the effective aperture of anti-filter part, d
85for the characteristic diameter of protected soil, B is coefficient, determines by engineering experience, gets 0.5 ~ 3;
(2) will be fixed with side structural member 3 installation in position of anti-filter part 1, then install opposite side structural member 4, the side of described anti-filter part 1 abuts against on described side structural member 3, and the opposite side of described anti-filter part 1 abuts against on opposite side structural member 4.
Further, described coupling part 2 is embedding or be assemblied on described side structural member 3, can be prefabricated into one, also can be assembled into one.
The coated diaphragm 6 in outside of described anti-filter part 1, in described step (1), anti-filter part 1 adopts pre-buried mode to be embedded in side structural member 3, is removed by the exposed parts of diaphragm when side structural member 3 is installed.Certainly, coupling part 2 and side structural member 3 also can adopt directly fixing mode.
Further again, in described step (2), opposite side structural member 4 does lubricated at the position contacted with anti-filter part 1, to reduce frictional force when described opposite side structural member is installed between contact surface.
During adjacent bonds Components installation, adopt external force suitably to be reduced in gap, make joint assembly produce compressive strain.
Claims (12)
1. one kind has the seam construction of anti-filter function, it is characterized in that: comprise joint assembly, described joint assembly comprises anti-filter part and coupling part, side, described coupling part is fixedly connected with side structural member, described coupling part opposite side is connected with the side of described anti-filter part, the side of described anti-filter part abuts against on the structural member of described side, and the opposite side of described anti-filter part abuts against on opposite side structural member;
Described anti-filter part adopts filtration material that is compressible and resilience; described anti-filter part distributes micropore; the size of described micropore is larger than hydrone, and the effective aperture size of described anti-filter part and the relation of protected native characteristic diameter size meet filter criterion, that is:
O
95≤Bd
85
In formula, O
95for the effective aperture of anti-filter part, d
85for the characteristic diameter of protected soil, B is coefficient, determines by engineering experience, gets 0.5 ~ 3.
2. there is the seam construction of anti-filter function as claimed in claim 1, it is characterized in that: described coupling part and described anti-filter part are in one.
3. there is the seam construction of anti-filter function as claimed in claim 1 or 2, it is characterized in that: described anti-filter part is elongate in shape or band shape.
4. there is the seam construction of anti-filter function as claimed in claim 1 or 2, it is characterized in that: the cross section of described anti-filter part is solid or hollow, fiberfill fibers shape material in described hollow chamber.
5. there is the seam construction of anti-filter function as claimed in claim 1 or 2, it is characterized in that: the cross section of described anti-filter part is circular or oval.
6. there is the seam construction of anti-filter function as claimed in claim 1 or 2, it is characterized in that: the coated diaphragm in outside of described anti-filter part.
7. there is the seam construction of anti-filter function as claimed in claim 1 or 2, it is characterized in that: described opposite side structural member and described anti-filter part opposite side joint are provided with lubricating layer.
8. a construction method for seam construction, is characterized in that: described construction method comprises the following steps:
(1) anti-filter part side is fixedly connected with side structural member by coupling part;
Described anti-filter part adopts filtration material that is compressible and resilience; described anti-filter part distributes micropore; the size of described micropore is larger than hydrone, and the effective aperture size of described anti-filter part and the relation of protected native characteristic diameter size meet filter criterion, that is:
O
95≤Bd
85
In formula, O
95for the effective aperture of anti-filter part, d
85for the characteristic diameter of protected soil, B is coefficient, determines by engineering experience, gets 0.5 ~ 3;
(2) will be fixed with the side structural member installation in position of anti-filter part, then install opposite side structural member, the side of described anti-filter part abuts against on the structural member of described side, and the opposite side of described anti-filter part abuts against on opposite side structural member.
9. the construction method of a kind of seam construction as claimed in claim 8, is characterized in that: described coupling part is embedding or be assemblied on the structural member of described side.
10. the construction method of a kind of seam construction as claimed in claim 8 or 9; it is characterized in that: the coated diaphragm in outside of described anti-filter part; in described step (1); anti-filter part adopts pre-buried mode to be embedded in side structural member, is removed by the exposed parts of diaphragm when side structural member is installed.
The construction method of 11. a kind of seam constructions as claimed in claim 8 or 9, is characterized in that: in described step (2), opposite side structural member does lubricated at the position with anti-filter part contact.
The construction method of 12. a kind of seam constructions as claimed in claim 8 or 9, is characterized in that: during adjacent bonds Components installation, adopts external force to be reduced in gap, makes joint assembly produce compressive strain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310412296.3A CN103469826B (en) | 2013-09-11 | 2013-09-11 | Seam structure with reversed filter function and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310412296.3A CN103469826B (en) | 2013-09-11 | 2013-09-11 | Seam structure with reversed filter function and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103469826A CN103469826A (en) | 2013-12-25 |
| CN103469826B true CN103469826B (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310412296.3A Active CN103469826B (en) | 2013-09-11 | 2013-09-11 | Seam structure with reversed filter function and construction method |
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| CN (1) | CN103469826B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050906B1 (en) * | 1980-10-17 | 1985-05-08 | Hayakawa Rubber Company Limited | Sealant compositions and seals which expand upon absorption of water and processes for their use |
| DE3430790A1 (en) * | 1984-08-22 | 1986-03-06 | Ed. Züblin AG, 7000 Stuttgart | Apparatus for connecting drainage layers in trench walls |
| CN201762728U (en) * | 2010-08-27 | 2011-03-16 | 吕康成 | Built-in drainage waterstop for tunnel project seam |
| CN202298927U (en) * | 2011-09-08 | 2012-07-04 | 沈阳远大铝业工程有限公司 | Water-resistant rubber strip for unit curtain walls |
| CN203487557U (en) * | 2013-09-11 | 2014-03-19 | 陈振华 | Joint structure with inverted filtering function |
-
2013
- 2013-09-11 CN CN201310412296.3A patent/CN103469826B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050906B1 (en) * | 1980-10-17 | 1985-05-08 | Hayakawa Rubber Company Limited | Sealant compositions and seals which expand upon absorption of water and processes for their use |
| DE3430790A1 (en) * | 1984-08-22 | 1986-03-06 | Ed. Züblin AG, 7000 Stuttgart | Apparatus for connecting drainage layers in trench walls |
| CN201762728U (en) * | 2010-08-27 | 2011-03-16 | 吕康成 | Built-in drainage waterstop for tunnel project seam |
| CN202298927U (en) * | 2011-09-08 | 2012-07-04 | 沈阳远大铝业工程有限公司 | Water-resistant rubber strip for unit curtain walls |
| CN203487557U (en) * | 2013-09-11 | 2014-03-19 | 陈振华 | Joint structure with inverted filtering function |
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| Publication number | Publication date |
|---|---|
| CN103469826A (en) | 2013-12-25 |
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