CN107975052A - A kind of assembled protective slope brick structure unit and ecological revetment - Google Patents

A kind of assembled protective slope brick structure unit and ecological revetment Download PDF

Info

Publication number
CN107975052A
CN107975052A CN201711491634.1A CN201711491634A CN107975052A CN 107975052 A CN107975052 A CN 107975052A CN 201711491634 A CN201711491634 A CN 201711491634A CN 107975052 A CN107975052 A CN 107975052A
Authority
CN
China
Prior art keywords
brick
groove
arm wing
structure unit
protective slope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711491634.1A
Other languages
Chinese (zh)
Inventor
徐波
张从从
夏辉
刘媛
刘毅
高琛
刘鹏程
赵艳
梁家淑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou University
Original Assignee
Yangzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou University filed Critical Yangzhou University
Priority to CN201711491634.1A priority Critical patent/CN107975052A/en
Publication of CN107975052A publication Critical patent/CN107975052A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/202Securing of slopes or inclines with flexible securing means
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/14Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Environmental Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Revetment (AREA)

Abstract

The invention discloses a kind of assembled protective slope brick structure unit, belongs to building field, including brick body, brick rod, and brick body is surrounded by first, second, third and fourth identical groove of structure;First groove includes semi-circular groove, the rectangular channel that from-inner-to-outer is set gradually, and the first side wall hole, second sidewall hole are respectively equipped with two sides of rectangular channel;The brick rod includes rectangular section and the first hemispherical end, second hemispherical end at rectangular section both ends, first hemispherical end, the second hemispherical end are symmetrical arranged, it is respectively equipped with the first and second brick arm wing on the two sides of first hemispherical end, the first brick arm wing, the second brick arm wing, be engaged with the first side wall hole, second sidewall hole.The invention also discloses a kind of ecological revetment.The present invention have the advantages that effectively to slow down soil erosion, make simply, laying technology is easily mastered, convenient transportation, globality are strong, it is convenient for disassembly and assembly, be not easy ponding.

Description

A kind of assembled protective slope brick structure unit and ecological revetment
Technical field
The present invention relates to building field, and in particular to a kind of assembled protective slope brick structure unit and its Ecological Information.
Background technology
Corresponding bank protection facility is built on the slope of the engineerings such as highway, railway and river, to prevent correlation The harm such as the side slope of engineering occurs caving in, washes away, soil erosion.The protective equipment of side slope specifically has at present:Cemented rock bank protection, The slope protection prevention form such as cast-in-place concrete bank protection and concrete precast block pitching, but there is not for these foregoing measures The defects of same, cemented rock bank protection, the slope protection form globality of cast-in-place concrete bank protection are preferable, but put into the construction process Manpower, material, the quantity of machinery it is larger, construction cost is higher, and bank protection service life is shorter, and it is uneven heavy easily to occur Drop, prefabricated section pitching, this slope protection form good integrity is bad, in a short time there is a situation where prefabricated section landing, and And prevention soil and water loss effect unobvious.
The content of the invention
In view of problem existing in the prior art, the present invention to be solved technical problem and be to provide a kind of assembled protective slope brick knot Structure unit and ecological revetment, have effectively slow down soil erosion, make simple, laying technology be easily mastered, convenient transportation, entirety Property is strong, convenient for disassembly and assembly, is not easy the advantages that ponding.
First purpose of the present invention is achieved through the following technical solutions, a kind of assembled protective slope brick structure unit, It is characterized in that the revetment brick construction unit includes brick body, brick rod, brick body is surrounded by the first groove, the second groove, the Three grooves, the 4th groove, the first groove, the second groove, the 3rd groove, the 4th groove structure are identical, and the first groove is included in And set gradually outside semi-circular groove, rectangular channel, the first groove side cinclides, second recessed is respectively equipped with two sides of rectangular channel Groove sidewall hole;
The brick rod includes rectangular section and the first hemispherical end, second hemispherical end at rectangular section both ends, the first hemispherical End, the second hemispherical end are symmetrical arranged, and the first brick arm wing, the second brick arm wing are respectively equipped with the two sides of the first hemispherical end, The 3rd brick arm wing, the second brick arm wing, the first brick arm wing, the second brick arm wing, are respectively equipped with the two sides of second hemispherical end The three brick arm wings, the second brick arm wing are engaged with the first groove side cinclides, the second groove side cinclides.
Preferably, the first groove side cinclides, the second groove side cinclides are vertically arranged with corresponding rectangular channel side, the The one brick arm wing, the second brick arm wing, the 3rd brick arm wing, the long side of the second brick arm wing and rectangular section are vertically arranged.
Preferably, the shape of brick body is square that four rounding of angle angles of square brick body are set.
Preferably, brick body center opens up center vegetation hole.
Preferably, brick body surrounding opens up first, second, third and fourth vegetation hole, the first vegetation hole be arranged on the first groove with Between second groove, the second vegetation hole is arranged between the second groove and the 3rd groove, and the 3rd vegetation hole is arranged on the 3rd groove Between the 4th groove, the 4th vegetation hole is arranged between the 4th groove and the first groove.
Preferably, the center vegetation hole is corner star, and first, second, third and fourth vegetation hole is circle.
Preferably, the shape of brick body is square.
Preferably, the rectangular section is equipped with rectangle water flowing frame.
First purpose of the present invention is achieved through the following technical solutions, a kind of ecological revetment, including on several State assembled protective slope brick structure unit, the first groove, the second groove, the 3rd groove, the 4th groove point of the surrounding of brick body The first hemispherical ends not with four brick rods are engaged.
Compared with prior art, the beneficial effects of the present invention are:
First, assembled protective slope brick of the present invention, brick body shape is similar circular, and brick body surrounding has arcuate perimeter;Four sides of brick body A similar spherical groove with both wings is dug to each, for groove into being symmetrical arranged, inside grooves are hemispherical, and outside is rectangle, It is spherical at the same time that two outwardly extending rectangular openings are set with rectangle joint.Brick rod structure is that centre is rectangle, and both ends are hemisphere Shape, hemispherical set two outwardly extending rod wings with rectangle joint.Brick rod structure is symmetrical structure.Any brick rod one end The groove of brick body can be embedded in just, any groove in brick body is embedded in just for any brick rod one end.It ensure that brick body stress Equilibrium, make use of the principle of cancelling out each other of power in physics.
Second, assembled protective slope brick of the present invention, brick body shape is similar circular configuration, and brick body center opens up a corner star Shape vegetation hole, surrounding open up four circular vegetation holes, and vegetation hole can be not only used for planting plants, can also be conducive to rainfall interception, drops Low pore water pressure, has taken into account practical and landscape function.And center corner star vegetation hole also is used as to wire casing, to wire casing just In the construction line-putting, when being laid with to bank protection edge, neat in edge can be made by breaking apart by chopping brick body along to wire casing.
3rd, assembled protective slope brick of the present invention, brick body is combined into square framework type structure with brick rod, gives the vision of uniqueness Sense, spatial impression, then it is aided with various vegetation, whole bank protection can provide one of landscape completely.
4th, assembled protective slope of the present invention, some assembled protective slope brick structure units form more than.Any brick body fovea superior Groove can be embedded in the either end of brick rod just, and the either end of brick rod can be embedded in the groove of brick body just.Square is opened up among every brick rod Shape frame, circulates easy to rainwater, evacuates the unnecessary current in revetment brick construction unit in time.
5th, assembled protective slope of the present invention, laying method:The bank protection soil to be renovated smooth first, then in top of the slope A rectangular grid stalk is poured, is laid with from top to bottom, level is laid with first layer protective slope structure unit, then spreads and spreads to both sides successively If from top to bottom, assembled layer by layer, laying demand can be adapted to by being interrupted to wire casing by running into corner problem city.
6th, the structure design of assembled protective slope brick of the present invention has three-dimensional sense, new style, while structure is clearly demarcated, just Manufactured in molding, convenient transportation, laying technology is simple.
Brief description of the drawings
Fig. 1 is a kind of brick body top view of assembled protective slope brick structure unit of the present invention;
Fig. 2 is a kind of brick body side view of assembled protective slope brick structure unit of the present invention;
Fig. 3 is a kind of brick rod front view of assembled protective slope brick structure unit of the present invention;
Fig. 4 is a kind of spreading bricks design sketch of assembled protective slope brick structure unit of the present invention;
Wherein:1. brick body;2. the first groove;7. the second groove;9. the 3rd groove;11. the 4th groove;3. the first recess sidewall Hole;4. the second groove side cinclides;5. the first vegetation hole;8. the second vegetation hole;10. the 3rd vegetation hole;12. the 4th vegetation Hole;;6 centers vegetation hole;13. brick rod;14. the first hemispherical end;18. the second hemispherical end;15. rectangular section;16. the first brick The arm wing;19. the four or the three brick arm wing;20. the four or the three brick arm wing;The 21 second brick arm wings;17. rectangle water flowing frame;22 revetment brick knots Structure unit.
Embodiment
Further statement is done to the present invention below by way of case study on implementation and with reference to attached drawing, but is not limited only to this.
A kind of assembled protective slope brick structure unit, including brick body 1, brick body is for one similar to circular configuration;It is each on four sides inwardly to open A hemispherical groove is dug, each groove is identical, and a corner star has been opened at brick body center, can both make vegetation hole, also plays pair Effect to the line of rabbet joint;Brick body surrounding has also dug four circular through holes, can both make vegetation hole, can emit water hole;While one A brick body is also arranged in pairs or groups four brick rods 13, and every brick rod 13 is outwardly extending for intermediate rectangular section 15 and both ends hemisphere and four, band The rod wing is spliced;And rectangle water flowing frame 17 is opened among brick rod, every four pieces of brick bodies and four brick rods are spliced into a revetment brick frame Frame structure.
Brick body 1 is similar round hole structure, and advantage is:Circular configuration pattern is simple, stable structure and with beautiful effect Fruit.
Perforate is corner starriness in brick body, and advantage is:The star-like through hole in corner has aesthetics, and symmetry, it is acted on Vegetation hole is can not only be used for, and can be made to wire casing, has reached the effect in a hole two.
For intermediate rectangular both ends hemispherical, four outwardly extending rod wings are spliced into brick rod in addition, and advantage is:Brick rod structure Simply, pouring technique is easy to grasp, convenient in carrying, while shape has symmetry, aesthetics.
A kind of pin-connected panel ecological revetment, is laid with by several above-mentioned revetment brick construction units and formed, any one revetment brick Construction unit is assembled by four pieces of brick bodies and four brick rods, is then other four pieces of brick bodies splicing, until being paved with whole shield Slope.Rectangle frame is opened up on brick rod at the same time to act on for current circulation.
A kind of construction method of assembled protective slope:The bank protection soil to be renovated smooth first, then pours one in top of the slope Bar rectangular grid is obstructed, and is laid with from top to bottom, and level is laid with first layer protective slope structure unit, then spreads and is laid with to both sides successively, from Under above, assembled layer by layer, laying demand can be adapted to by being interrupted to wire casing by running into corner problem city.
Case 1:
Such as Fig. 1,2, a kind of assembled protective slope brick structure unit, including brick body 1, surrounding opens up the first groove 2, second in brick body 1 Groove 7, the 3rd groove 9, the 4th groove 11, the first groove 2, the second groove 7, the 3rd groove 9,11 side of the 4th groove open up One groove side cinclides 3, the second groove side cinclides 4, such as Fig. 3, a kind of assembled protective slope brick structure unit, including brick rod 13, brick rod 13 include the first hemispherical end 14, the second hemispherical end 18, intermediate rectangular section 15, and 14 both sides of the first hemispherical end are provided with first The brick arm wing 16, the second brick arm wing 21;Second hemispherical end, 18 both sides are provided with the 3rd brick arm wing 19, the 4th brick arm wing 20;, brick rod 13 the first hemispherical end 14, the second hemispherical end 18 and the first groove 2 in brick body 1, the second groove 7, the 3rd groove 9, the Four grooves 11 are engaged.
In the present embodiment, brick body, brick rod are integrally formed design and manufacture, its material is dry concrete, using special High-volume can be realized with mould, rapidly produce revetment brick.
Case 2:
Such as Fig. 1, Fig. 2, Fig. 3, a kind of assembled protective slope brick structure unit, as described in case study on implementation 1, its difference is structure Vegetation hole is also opened up on the revetment brick, 1 center of brick body opens up corner star center vegetation hole 6, and surrounding opens up four circular plants By hole, i.e. first, second, third and fourth vegetation hole(5、8、10、12).
Case 3:
A kind of assembled protective slope brick structure unit, structure such as case study on implementation 1, described in case 2, its difference is, in bank protection Brick center vegetation hole can also be made to wire casing, which is a V-groove, through revetment brick brick body.
In the construction process, by being laid with revetment brick construction unit to the convenient construction of wire casing, can improve laying efficiency and Laying effect.At the same time when being routed to bank protection edge, it can meet that the laying at bank protection edge will by cutting off revetment brick to mark groove Ask.
The assembled protective slope brick structure unit laying method is as follows:
A kind of assembled protective slope, some assembled protective slope brick structure units form more than.Any brick body upper groove can be just embedding Enter the either end of brick rod, the either end of brick rod can be embedded in the groove of brick body just.Rectangle frame is opened up among every brick rod, easy to rain Current lead to, and evacuate the unnecessary current in revetment brick construction unit in time.
Embodiment 4:
As shown in figure 4, a kind of ecological revetment, is laid with as the assembled protective slope brick structure unit 22 described in embodiment 3 and formed.Can be with The slope-protecting plant for being adapted to Project Areas is planted in vegetation hole, complete ecological revetment is formed, reaches firm environmental protection and have ornamental value concurrently Effect.

Claims (9)

1. a kind of assembled protective slope brick structure unit, it is characterized in that, the revetment brick construction unit includes brick body(1), brick rod (13), brick body is surrounded by the first groove(2), the second groove(7), the 3rd groove(9), the 4th groove(11), first is recessed Groove(2), the second groove(7), the 3rd groove(9), the 4th groove(11)Structure is identical, the first groove(2)Including from-inner-to-outer according to The semi-circular groove of secondary setting, rectangular channel, are respectively equipped with the first groove side cinclides on two sides of rectangular channel(3), the second groove Areole(4);
The brick rod(13)Including rectangular section(15)And rectangular section(15)First hemispherical end at both ends(14), the second hemisphere Shape end(18), the first hemispherical end(14), the second hemispherical end(18)It is symmetrical arranged, the first hemispherical end(14)Two sides on It is respectively equipped with the first brick arm wing(16), the second brick arm wing(21), the second hemispherical end(18)Two sides on be respectively equipped with the 3rd The brick arm wing(19), the second brick arm wing(20), the first brick arm wing(16), the second brick arm wing(21), the 3rd brick arm wing(19), the second brick The arm wing(20)With the first groove side cinclides(3), the second groove side cinclides(4)It is engaged.
2. a kind of assembled protective slope brick structure unit according to claim 1, it is characterized in that, the first groove side cinclides (3), the second groove side cinclides(4)It is vertically arranged with corresponding rectangular channel side, the first brick arm wing(16), the second brick arm wing (21), the 3rd brick arm wing(19), the second brick arm wing(20)With rectangular section(15)Long side be vertically arranged.
3. a kind of assembled protective slope brick structure unit according to claim 1 or 2, it is characterized in that, brick body(1)Shape Shape is square, square brick body(1)Four rounding of angle angles set.
4. a kind of assembled protective slope brick structure unit according to claim 3, it is characterized in that, brick body(1)Open at center If center vegetation hole(6).
5. a kind of assembled protective slope brick structure unit according to claim 4, it is characterized in that, brick body(1)Surrounding is opened If first, second, third and fourth vegetation hole(5、8、10、12), the first vegetation hole(5)It is arranged on the first groove(2)With the second groove(7) Between, the second vegetation hole(8)It is arranged on the second groove(7)With the 3rd groove(9)Between, the 3rd vegetation hole(10)It is arranged on the 3rd Groove(9)With the 4th groove(11)Between, the 4th vegetation hole(12)It is arranged on the 4th groove(11)With the first groove(2)Between.
6. a kind of assembled protective slope brick structure unit according to claim 5, it is characterized in that, the center vegetation hole(6) For corner star, first, second, third and fourth vegetation hole(5、8、10、12)It is circle.
7. a kind of assembled protective slope brick structure unit according to claim 3, it is characterized in that, brick body(1)Shape For square.
8. a kind of assembled protective slope brick structure unit according to claim 6, it is characterized in that, the rectangular section(15)On set There is rectangle water flowing frame(17).
9. a kind of ecological revetment, including the assembled protective slope brick structure unit any one of several claims 1-8, institute State brick body(1)Surrounding the first groove(2), the second groove(7), the 3rd groove(9), the 4th groove(11)Respectively with four bricks Rod(13)The first hemispherical ends(14)It is engaged.
CN201711491634.1A 2017-12-30 2017-12-30 A kind of assembled protective slope brick structure unit and ecological revetment Pending CN107975052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711491634.1A CN107975052A (en) 2017-12-30 2017-12-30 A kind of assembled protective slope brick structure unit and ecological revetment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711491634.1A CN107975052A (en) 2017-12-30 2017-12-30 A kind of assembled protective slope brick structure unit and ecological revetment

Publications (1)

Publication Number Publication Date
CN107975052A true CN107975052A (en) 2018-05-01

Family

ID=62005592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711491634.1A Pending CN107975052A (en) 2017-12-30 2017-12-30 A kind of assembled protective slope brick structure unit and ecological revetment

Country Status (1)

Country Link
CN (1) CN107975052A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338993A (en) * 2018-12-05 2019-02-15 交通运输部天津水运工程科学研究所 A kind of ecology rush silt erosion control shield beach structure
CN112832196A (en) * 2021-03-01 2021-05-25 安徽省引江济淮集团有限公司 Assembled large-aperture ecological sash structure and side slope protection structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203514256U (en) * 2013-07-18 2014-04-02 管大为 Sash type river bank revetment structure
CN203613510U (en) * 2013-11-29 2014-05-28 阮永红 Planting-type concrete block
CN203821310U (en) * 2014-05-05 2014-09-10 吉林省旭盛环保建材有限公司 Quincunx-shaped slope protection concrete block
KR101493939B1 (en) * 2013-12-09 2015-02-17 박영택 brick rectangular connectors for assembly
CN205024696U (en) * 2015-08-17 2016-02-10 黑龙江省中信路桥材料有限公司 Precast concrete bank protection stone
CN205382464U (en) * 2016-01-29 2016-07-13 安徽祥凯新型环保建材有限公司 Slope protection brick
CN207812467U (en) * 2017-12-30 2018-09-04 扬州大学 A kind of assembled protective slope brick structure unit and ecological revetment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203514256U (en) * 2013-07-18 2014-04-02 管大为 Sash type river bank revetment structure
CN203613510U (en) * 2013-11-29 2014-05-28 阮永红 Planting-type concrete block
KR101493939B1 (en) * 2013-12-09 2015-02-17 박영택 brick rectangular connectors for assembly
CN203821310U (en) * 2014-05-05 2014-09-10 吉林省旭盛环保建材有限公司 Quincunx-shaped slope protection concrete block
CN205024696U (en) * 2015-08-17 2016-02-10 黑龙江省中信路桥材料有限公司 Precast concrete bank protection stone
CN205382464U (en) * 2016-01-29 2016-07-13 安徽祥凯新型环保建材有限公司 Slope protection brick
CN207812467U (en) * 2017-12-30 2018-09-04 扬州大学 A kind of assembled protective slope brick structure unit and ecological revetment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338993A (en) * 2018-12-05 2019-02-15 交通运输部天津水运工程科学研究所 A kind of ecology rush silt erosion control shield beach structure
CN112832196A (en) * 2021-03-01 2021-05-25 安徽省引江济淮集团有限公司 Assembled large-aperture ecological sash structure and side slope protection structure

Similar Documents

Publication Publication Date Title
CN110670604A (en) Hard slope ecological greening system and construction method thereof
CN107975052A (en) A kind of assembled protective slope brick structure unit and ecological revetment
CN203866858U (en) Riverway revetment plant-growing retaining wall
CN207608911U (en) A kind of two-way ecological revetment brick and ecological revetment
CN206887669U (en) Water storage module, drainage structure and water-storing device
CN207812467U (en) A kind of assembled protective slope brick structure unit and ecological revetment
CN204238180U (en) A kind of triangle Chained slope protection building block
CN105952255B (en) Vertical greening enclosure wall and method of construction
CN210712735U (en) Protective structure for preventing channel from being eroded
CN202466602U (en) Building block of interlocking protection slope and interlocking protection slope
CN203129174U (en) Vegetation box-type building block
CN204023588U (en) A kind of pervious ecological protective slope structure
CN202369994U (en) Articulated type revetment building block and hinged type revetment
CN202755371U (en) Plant protective structure of soil slope protection and slope rain water evacuation
CN205348600U (en) Roof green waterproof structure
CN106702984A (en) Rock slope landscape draining device
CN204626424U (en) Step polygon for Channel slope plants raw building block
CN203701035U (en) Hydraulic engineering ecological wall
CN208649828U (en) A kind of water collection border stone
CN208328984U (en) Ecological gridiron barricade
CN207686047U (en) A kind of ecological block wall
CN105019687A (en) Method for radically controlling desert
CN206784319U (en) A kind of grass-planting ecological brick
CN203701036U (en) Hydraulic engineering ecological supporting structure
CN204875674U (en) Afforestation water conservancy bank protection

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination