CN209723368U - A kind of sandwich armored concrete masonry in high-grade antidetonation area - Google Patents
A kind of sandwich armored concrete masonry in high-grade antidetonation area Download PDFInfo
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- CN209723368U CN209723368U CN201920129401.5U CN201920129401U CN209723368U CN 209723368 U CN209723368 U CN 209723368U CN 201920129401 U CN201920129401 U CN 201920129401U CN 209723368 U CN209723368 U CN 209723368U
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Abstract
The utility model discloses a kind of sandwich armored concrete masonries in high-grade antidetonation area, belong to technical field of buildings, the sandwich armored concrete masonry in the high-grade antidetonation area includes internal layer concrete masonry, and internal layer concrete masonry is 300-1950kg/m by density3Light aggregate concrete, celluar concrete or coarse porous concrete be fabricated；It further include outer concrete shell, horizontal channel, longitudinal groove, through-hole and anchor bar, outer concrete shell is wrapped in internal layer concrete masonry outer surface, horizontal channel is arranged on interior layer concrete masonry external structure upper and lower surface horizontal length direction, longitudinal groove is arranged on interior layer concrete masonry upper and lower surface longitudinally short direction, the crossover sites of interior layer concrete masonry upper and lower surface horizontal channel and longitudinal groove are arranged in through-hole, and anchor bar intersection is banded in through-hole；The utility model can accelerate construction operation progress, so that project cost substantially reduces, have broad application prospects.
Description
Technical field
The utility model relates to technical field of buildings, specifically a kind of high-grade antidetonation area is built with sandwich armored concrete
Body.
Background technique
Masonry includes fired common brick, clinker brick, sintered perforated brick, sintered hollow block, steam pressure sand-lime hollow brick and without muscle
The label of brick setting, brick and mortar is higher, and masonry compression strength is also higher；When masonry is total to by brick setting and Reinforced Concrete Materials
With referred to as composite brick masonry when constituting；Wherein the label of brick is affected to masonry compression strength, to improve indirectly
The compression strength of masonry.Under normal circumstances, the label for increasing brick is more more effective to masonry compression strength is improved than increasing grade of mortar.
Masonry structure in the prior art is mostly to increase the label of brick and increase grade of mortar to improve the pressure resistance of masonry
Degree, in the lesser situation of label and grade of mortar of brick, the compression strength of masonry is lower, and therefore, the utility model provides high
The sandwich armored concrete masonry in grade antidetonation area.
Utility model content
The purpose of this utility model is to provide a kind of sandwich armored concrete masonries in high-grade antidetonation area, to solve
The problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of high-grade antidetonation area sandwich armored concrete masonry, including internal layer concrete masonry, the internal layer are mixed
Solidifying soil masonry is 300-1950kg/m by density3Light aggregate concrete, celluar concrete or coarse porous concrete be fabricated；Also
Including outer concrete shell, horizontal channel, longitudinal groove, through-hole and anchor bar, the outer concrete shell is wrapped in
Internal layer concrete masonry outer surface, the horizontal channel are arranged in interior layer concrete masonry external structure upper and lower surface horizontal length
On direction, the longitudinal groove is arranged on interior layer concrete masonry upper and lower surface longitudinally short direction, including the through-hole setting
The crossover sites of layer concrete masonry upper and lower surface horizontal channel and longitudinal groove, the anchor bar cross-fixing is in through-hole
It is interior.
As a further solution of the present invention: the strength grade of the outer concrete shell is built than interior layer concrete
The high grade of the strength grade of body, outer concrete shell are the pea gravel concreten material with a thickness of 25-50mm, outer layer coagulation
Native hull outside structure is enclosed construction；The concrete masonry is formed with high temperature steam curing.
As a further solution of the present invention: the horizontal channel is elongated groove, horizontal channel includes the first water
Flat groove and the second horizontal channel are arranged in parallel between the first level groove and the second horizontal channel；The longitudinal groove
For not elongated groove, longitudinal groove includes first longitudinal direction groove, second longitudinal direction groove and third longitudinal groove, the first longitudinal direction
It is arranged in parallel between groove, second longitudinal direction groove and third longitudinal groove；The through-hole includes first through hole, the second through-hole
And third through-hole, the first through hole, the second through-hole and third through-hole respectively there are two, the anchor bar include first anchoring
Reinforcing bar and the second anchor bar.
As a further solution of the present invention: the width and depth of the first level groove and the second horizontal channel
To be 30-60mm, first longitudinal direction groove, the width of second longitudinal direction groove and third longitudinal groove and depth be 30-
60mm, the notch of first longitudinal direction groove, second longitudinal direction groove and third longitudinal groove is at a distance from internal layer concrete masonry edge
For 30-60mm, first through hole, the second through-hole and third through-hole are circular hole, strip hole, rectangular opening or elliptical aperture.Horizontal ditch is set
The purpose of slot is to guarantee that this structure type between internal layer concrete masonry all penetrates through in the horizontal direction, embedding in construction
The wall lacing wire for entering two cement mortar bands in upper layer and lower layer masonry in horizontal direction and being clipped among cement mortar band exists
It is connected to completely in horizontal direction；The effect that longitudinal groove is arranged is in guaranteeing while improving the draw knot force on longitudinal short direction
The later flat appearance degree of layer concrete masonry construction jointing improves resistance of novel light concrete wall when by external force
Ability.
As a further solution of the present invention: the both ends of the anchor bar are provided with crotch, the first anchoring steel
There are six muscle, and there are two the second anchor bars, is respectively set on first through hole, the second through-hole and third through-hole there are two the first anchor
Gu being respectively arranged with second anchor bar on reinforcing bar, first through hole and third through-hole；The first anchor in the first through hole
Gu the one ends wound of reinforcing bar is pierced by upwards on first longitudinal direction groove and from one of first through hole, being pierced by height is one
The other end of the height of internal layer concrete masonry, the first anchor bar in the first through hole is wrapped on first longitudinal direction groove
And be pierced by downwards from one of first through hole, height is pierced by for the height of an internal layer concrete masonry, in first through hole
Two the first anchor bars be symmetrical arranged；The connection type and first of the first anchor bar on second through-hole and third through-hole
The connection type of the first anchor bar on through-hole is identical.
As a further solution of the present invention: second anchor bar is wrapped on horizontal channel, one of them
The both ends of second anchor bar are pierced by from one of first through hole to upper and lower both direction respectively, are pierced by height as in one
The height of layer concrete masonry, the both ends of the second anchor bar of another one are respectively from one of third through-hole to upper and lower
Both direction is pierced by, and is pierced by the height that height is an internal layer concrete masonry；The diameter of the anchor bar is 6mm.
A kind of wall including the sandwich armored concrete masonry in high-grade antidetonation area described above.
Compared with prior art, the utility model has the beneficial effects that
A kind of sandwich armored concrete masonry in high-grade antidetonation area of the utility model, the high-grade antidetonation area
Sturdy and durable with sandwich armored concrete masonry structure, heat preservation environment protection is energy saving, and manufacture is easy and at low cost, and surfaces externally and internally is flat
Whole smooth, flatness is high；Manufacturing process is simple, and the wall produced is sturdy and durable；Due to internal layer concrete masonry structure type
It is all made of the horizontal and crossed longitudinally fluting of horizontal and longitudinal grooved, every one side in upper and lower surface, ensure that wall in interior appearance
Face remains to the intensity and effect that reach plastering in the case where not plastering, one of wall construction process complete building wall construction,
The all workings such as jointing, external and internal wall plastering, puttying and coating for internal and external wall, accelerate construction operation progress, so that engineering is made
Valence substantially reduces；This structure is other than the solidifying native masonry of the sandwich mixed reinforcing bar of novel light, it may also be used for manufacture is various similar hermetically sealed
The sandwich reinforcing bar masonry structure of novel light is suitable for the above north cold area assembled-type house of 8 degree of seismic fortification intensity grades
External and internal wall structure building in building structure.
Detailed description of the invention
Fig. 1 is the schematic top plan view of internal layer concrete masonry in the utility model.
Fig. 2 is the elevational schematic view of internal layer concrete masonry in the utility model.
Fig. 3 is the schematic elevation view of internal layer concrete masonry in the utility model.
Fig. 4 is the schematic rear view of internal layer concrete masonry in the utility model.
Fig. 5 is internal layer concrete masonry in the utility model without the schematic cross-sectional view of anchor bar.
Fig. 6 is the structural schematic diagram of the first anchor bar of internal layer concrete masonry in the utility model.
Fig. 7 is the structural schematic diagram of youngster's anchor bar of internal layer concrete masonry in the utility model.
Fig. 8 is the first schematic cross-sectional view of internal layer concrete masonry the first anchor bar of band in the utility model.
Fig. 9 is second of schematic cross-sectional view of internal layer concrete masonry the first anchor bar of band in the utility model.
Figure 10 is the first schematic cross-sectional view of internal layer concrete masonry the second anchor bar of band in the utility model.
Figure 11 is second of schematic cross-sectional view of internal layer concrete masonry the second anchor bar of band in the utility model.
Figure 12 is the construction of the high-grade antidetonation area construction method of sandwich armored concrete masonry in the utility model
Schematic diagram.
In figure: 1- internal layer concrete masonry, 2- outer concrete shell, 3- first level groove, the second horizontal channel of 4-,
5- first longitudinal direction groove, 6- second longitudinal direction groove, 7- third longitudinal groove, 8- first through hole, the second through-hole of 9-, 10- third are logical
Hole, the first anchor bar of 11-, the second anchor bar of 12-, the first masonry of 13-, the second masonry of 14-, 15- third masonry, 16-
Four masonries, 17- wall tie bar, 18- horizontal channel perforation cement mortar band, the non-through cement mortar band of 19- longitudinal groove,
20- brickwork joint cement mortar, 21- through-hole penetrate through cement mortar band.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
Please refer to Fig. 1~11, in the utility model embodiment, a kind of high-grade antidetonation area is built with sandwich armored concrete
Body, including internal layer concrete masonry 1, the internal layer concrete masonry 1 are 300-1950kg/m by density3Light-weight aggregate coagulation
Soil, celluar concrete or coarse porous concrete are fabricated；Further include outer concrete shell 2, horizontal channel, longitudinal groove, lead to
Hole and anchor bar, the outer concrete shell 2 are wrapped in 1 outer surface of internal layer concrete masonry, the horizontal channel setting
On interior 1 external structure upper and lower surface horizontal length direction of layer concrete masonry, the longitudinal groove is arranged in interior layer concrete
Longitudinally on short direction, the through-hole is arranged in interior 1 upper and lower surface horizontal channel of layer concrete masonry and longitudinal direction 1 upper and lower surface of masonry
The crossover sites of groove, the anchor bar cross-fixing is in through-hole.
In the utility model embodiment, the strength grade of the outer concrete shell 2 is stronger than internal layer concrete masonry 1
The high grade of grade is spent, outer concrete shell 2 is the pea gravel concreten material with a thickness of 25-50mm, outer concrete shell
2 external structure of body is enclosed construction；The internal layer concrete masonry 1 is formed with high temperature steam curing.
In the utility model embodiment, the horizontal channel is elongated groove, and horizontal channel includes 3 He of first level groove
Second horizontal channel 4 is arranged in parallel between the first level groove 3 and the second horizontal channel 4；The longitudinal groove is obstructed
Long groove, longitudinal groove include first longitudinal direction groove 5, second longitudinal direction groove 6 and third longitudinal groove 7, the first longitudinal direction ditch
It is arranged in parallel between slot 5, second longitudinal direction groove 6 and third longitudinal groove 7；The through-hole includes that first through hole 8, second is logical
Hole 9 and third through-hole 10, the first through hole 8, the second through-hole 9 and third through-hole 10 respectively there are two, the anchor bar packet
Include the first anchor bar 11 and the second anchor bar 12.
In the utility model embodiment, the width and depth of the first level groove 3 and the second horizontal channel 4 are to be
30-60mm, first longitudinal direction groove 5, the width of second longitudinal direction groove 6 and third longitudinal groove 7 and depth be 30-60mm,
The notch of first longitudinal direction groove 5, second longitudinal direction groove 6 and third longitudinal groove 7 is at a distance from 1 edge of internal layer concrete masonry
30-60mm, first through hole 8, the second through-hole 9 and third through-hole 10 are circular hole, strip hole, rectangular opening or elliptical aperture.Setting is horizontal
The purpose of groove is to guarantee that this structure type between internal layer concrete masonry 1 all penetrates through in the horizontal direction, is being constructed
When two cement mortar bands being embedded in upper layer and lower layer masonry in horizontal direction and the wall being clipped among cement mortar band draw
Muscle is connected to completely in the horizontal direction；The effect that longitudinal groove is arranged is guarantor while improving the draw knot force on longitudinal short direction
The later flat appearance degree of the construction jointing of internal layer concrete masonry 1 is demonstrate,proved, improves novel light concrete wall when by external force
Anti-shot ability.
In the utility model embodiment, the both ends of the anchor bar are provided with crotch, and the first anchor bar 11 has six
A, there are two the second anchor bars 12, is respectively set on first through hole 8, the second through-hole 9 and third through-hole 10 there are two the first anchor
Gu being respectively arranged with second anchor bar 12 on reinforcing bar 11, first through hole 8 and third through-hole 10；In the first through hole 8
The one ends wound of the first anchor bar 11 be pierced by upwards on first longitudinal direction groove 5 and from one of first through hole 8, wear
Height is the height of an internal layer concrete masonry 1 out, and the other end of the first anchor bar 11 in the first through hole 8 twines
It is wound on first longitudinal direction groove 5 and is pierced by downwards from one of first through hole 8, be pierced by height and built for an interior layer concrete
The height of body 1, two the first anchor bars 11 in first through hole 8 are symmetrical arranged；On second through-hole 9 and third through-hole 10
The connection type of first anchor bar 11 is identical as the connection type of the first anchor bar 11 in first through hole 8.
In the utility model embodiment, second anchor bar 12 is wrapped on horizontal channel, one of them second anchor
Gu the both ends of reinforcing bar 12 are pierced by from one of first through hole 8 to upper and lower both direction respectively, being pierced by height is an internal layer
The height of concrete masonry 1, the both ends of the second anchor bar of another one 12 respectively from one of third through-hole 10 to
Upper and lower both direction is pierced by, and is pierced by the height that height is an internal layer concrete masonry 1；The diameter of the anchor bar is
6mm。
Embodiment two
In the utility model embodiment, a kind of wall including high-grade antidetonation area with sandwich armored concrete masonry is provided
Body, the high-grade antidetonation area are identical as structure described in embodiment one with the structure of sandwich armored concrete masonry.
It should be further noted that Figure 12 is please referred to, the concrete construction method of the utility model are as follows:
Include the following steps: step 1, manufactures masonry；Step 2 is compacted groove and through-hole；Step 3, wrong stubble construction；Step
Rapid four, jointing processing at masonry face joint；Manufacture masonry, which refers to, in the step 1 uses density for 300-1950kg/m3
Light aggregate concrete, celluar concrete or coarse porous concrete manufacture internal layer concrete masonry 1, and anchor bar cross-fixing
In through-holes, the shell of masonry is finally made again；The specific implementation process of groove and through-hole is compacted in the step 2 are as follows: first
Respectively the first masonry 13, the second masonry 14, third masonry 15 and the 4th masonry 16 first level groove 3 and the second horizontal ditch
Filled up in slot 4 horizontal channel perforation cement mortar 18 with and be compacted, then respectively in the first masonry 13, the second masonry 14, third
It is non-that the first longitudinal direction groove 5 of masonry 15 and the 4th masonry 16, second longitudinal direction groove 6 and third longitudinal groove 7 fill up longitudinal groove
Perforation cement mortar band 19 is simultaneously compacted, subsequently respectively in the first masonry 13, the second masonry 14, third masonry 15 and the 4th masonry
Through-hole perforation cement mortar band 21 is filled up in 16 first through hole 8, the second through-hole 9 and third through-hole 10 and is compacted；The step
The specific implementation process of wrong stubble construction in three are as follows: first build the first masonry 13 mutually staggered up and down, the second masonry 14, third
The aligned in position of body 15 and the through-hole on the 4th masonry 16, such purpose are by upper and lower six through-holes by each upper and lower level water
Silt particle pulp layer is all connected in the short transverse of wall, the entire wall of guarantee masonry construction in vertical direction by
Power；Then brickwork joint cement is filled up between the first masonry 13 and the second masonry 14 and between third masonry 15 and the 4th masonry 16
Mortar 20 is simultaneously compacted；When constructing first of internal layer concrete masonry 1 together with top, with electric hammer in the basic of wall and most
The basic hole that diameter is 16mm is beaten on roof construction on the corresponding position of each through-hole, basic hole hole depth is more than or equal to an internal layer
1 height of concrete masonry, and high-intensitive micro- swollen contraction-free cement grout material is filled, it is smeared on the surface on first of basis and top
On shakeout and be compacted with a thickness of the cement mortar of 10mm high grade, construct the first procedure when by every piece of internal layer concrete masonry 1
Following anchor bar is corresponding to be inserted into basic hole, by the anchor above every piece of internal layer concrete masonry 1 when top process of constructing
Gu in the basic hole of the corresponding insertion top structure of reinforcing bar, internal layer concrete masonry 1 stretches out above when normal construction anchoring steel
After muscle and wall lacing wire are fixed, it is corresponding in the construction of upper one layer of internal layer concrete masonry 1 to penetrate upper layer internal layer concrete masonry 1
In through-hole, it is corresponding logical that the anchor bar in the corresponding through-hole of upper layer internal layer concrete masonry 1 penetrates lower layer's internal layer concrete masonry 1
In hole, it is provided with wall tie bar 17 between upper layer and lower layer internal layer concrete masonry 1, thus may be implemented high-intensitive in through-hole
Micro- swollen contraction-free cement grout material anchors upper layer and lower layer anchor bar；The jointing of masonry seam crossing is handled in the step 4
Refer to: finishing the seam crossing jointing between masonry in the first masonry 13, the second masonry 14, third masonry 15 and the 4th masonry construction
Processing.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of sandwich armored concrete masonry in high-grade antidetonation area, including internal layer concrete masonry (1), the internal layer is mixed
Solidifying soil masonry (1) is 300-1950kg/m by density3Light aggregate concrete, celluar concrete or coarse porous concrete manufacture and
At；It is characterized in that, further include outer concrete shell (2), horizontal channel, longitudinal groove, through-hole and anchor bar, it is described outer
Layer concrete shell (2) is wrapped in internal layer concrete masonry (1) outer surface, and the horizontal channel is arranged in interior layer concrete masonry
(1) on external structure upper and lower surface horizontal length direction, the longitudinal groove is arranged in interior layer concrete masonry (1) upper and lower surface
On longitudinal short direction, the through-hole setting intersects interior layer concrete masonry (1) upper and lower surface horizontal channel and longitudinal groove
Position, the anchor bar include the first anchor bar (11) and the second anchor bar (12), and anchor bar cross-fixing is logical
In hole, the both ends of anchor bar are provided with crotch, and there are six the first anchor bars (11), and the second anchor bar (12) has two
It is a.
2. the sandwich armored concrete masonry in high-grade antidetonation area according to claim 1, which is characterized in that described outer
The strength grade of layer concrete shell (2) grade higher than the strength grade of internal layer concrete masonry (1), outer concrete shell
Body (2) is the pea gravel concreten material with a thickness of 25-50mm, and outer concrete shell (2) external structure is enclosed construction；It is described
Internal layer concrete masonry (1) is formed with high temperature steam curing.
3. the sandwich armored concrete masonry in high-grade antidetonation area according to claim 1, which is characterized in that the water
Flat groove is elongated groove, and horizontal channel includes first level groove (3) and the second horizontal channel (4), the first level ditch
It is arranged in parallel between slot (3) and the second horizontal channel (4).
4. the sandwich armored concrete masonry in high-grade antidetonation area according to claim 1, which is characterized in that described vertical
It is not elongated groove to groove, longitudinal groove includes first longitudinal direction groove (5), second longitudinal direction groove (6) and third longitudinal groove
(7), arranged in parallel between the first longitudinal direction groove (5), second longitudinal direction groove (6) and third longitudinal groove (7)；It is described
Through-hole includes first through hole (8), the second through-hole (9) and third through-hole (10), the first through hole (8), the second through-hole (9) and
Three through-holes (10) respectively there are two.
5. the sandwich armored concrete masonry in high-grade antidetonation area according to claim 3, which is characterized in that described
The width and depth of one horizontal channel (3) and the second horizontal channel (4) be 30-60mm.
6. the sandwich armored concrete masonry in high-grade antidetonation area according to claim 4, which is characterized in that described
One longitudinal groove (5), the width of second longitudinal direction groove (6) and third longitudinal groove (7) and depth be 30-60mm, first
The notch of longitudinal groove (5), second longitudinal direction groove (6) and third longitudinal groove (7) and internal layer concrete masonry (1) edge away from
From for 30-60mm, first through hole (8), the second through-hole (9) and third through-hole (10) are circular hole, strip hole, rectangular opening or ellipse
Hole.
7. the sandwich armored concrete masonry in high-grade antidetonation area according to claim 6, which is characterized in that described
There are two being respectively set on one through-hole (8), the second through-hole (9) and third through-hole (10) the first anchor bar (11), first through hole
(8) and on third through-hole (10) it is respectively arranged with second anchor bar (12)；The first anchoring on the first through hole (8)
The one ends wound of reinforcing bar (11) is pierced by upwards on first longitudinal direction groove (5) and from one of first through hole (8), is pierced by height
Degree is the height of an internal layer concrete masonry (1), and the other end of the first anchor bar (11) on the first through hole (8) twines
It is wound on first longitudinal direction groove (5) and is pierced by downwards from one of first through hole (8), being pierced by height is an internal layer coagulation
The height of native masonry (1), two the first anchor bars (11) in first through hole (8) are symmetrical arranged；Second through-hole (9) and third
The connection type of the first anchor bar (11) on through-hole (10) and the connection of the first anchor bar (11) on first through hole (8)
Mode is identical.
8. the sandwich armored concrete masonry in high-grade antidetonation area according to claim 7, which is characterized in that described
Two anchor bars (12) are wrapped on horizontal channel, the both ends of one of them the second anchor bar (12) respectively from one of them
One through-hole is pierced by (8) to upper and lower both direction, the height that height is an internal layer concrete masonry (1) is pierced by, wherein another
The both ends of a second anchor bar (12) are pierced by from one of third through-hole (10) to upper and lower both direction respectively, are pierced by height
Degree is the height of an internal layer concrete masonry (1)；The diameter of the anchor bar is 6mm.
9. a kind of wall including any sandwich armored concrete masonry in high-grade antidetonation area of claim 1-8.
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| CN201920129401.5U CN209723368U (en) | 2019-01-25 | 2019-01-25 | A kind of sandwich armored concrete masonry in high-grade antidetonation area |
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| CN201920129401.5U CN209723368U (en) | 2019-01-25 | 2019-01-25 | A kind of sandwich armored concrete masonry in high-grade antidetonation area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485668A (en) * | 2019-01-29 | 2020-08-04 | 河南天久装配式建筑有限公司 | Novel light sandwich concrete masonry structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485668A (en) * | 2019-01-29 | 2020-08-04 | 河南天久装配式建筑有限公司 | Novel light sandwich concrete masonry structure and construction method |
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Granted publication date: 20191203 Termination date: 20220125 |