CN115928794A - Roof post-cast strip supporting structure and construction method thereof - Google Patents

Roof post-cast strip supporting structure and construction method thereof Download PDF

Info

Publication number
CN115928794A
CN115928794A CN202211514028.8A CN202211514028A CN115928794A CN 115928794 A CN115928794 A CN 115928794A CN 202211514028 A CN202211514028 A CN 202211514028A CN 115928794 A CN115928794 A CN 115928794A
Authority
CN
China
Prior art keywords
rod
cast strip
post
supporting rod
support
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
CN202211514028.8A
Other languages
Chinese (zh)
Inventor
林涛
李风
叶美娟
王海珍
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.)
China MCC17 Group Co Ltd
Original Assignee
China MCC17 Group Co Ltd
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 China MCC17 Group Co Ltd filed Critical China MCC17 Group Co Ltd
Priority to CN202211514028.8A priority Critical patent/CN115928794A/en
Publication of CN115928794A publication Critical patent/CN115928794A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/254Roof garden systems; Roof coverings with high solar reflectance
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/32Roof garden systems

Landscapes

  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention discloses a roof post-cast strip supporting structure and a construction method thereof, belonging to the field of basement post-cast strip construction; the square rod of the transverse supporting rod is fixed on the U-shaped support, and the transverse supporting rod is provided with an axle rod, the square rod, a rotating handle and a group of sliding nuts; the axial rod is provided with two lead screws for the reciprocating motion of the sliding nut, and the axial rod is respectively connected with the combined steel template and the sliding nut; the rotation handle rotates to drive the spindle rod to rotate, so that the sliding nuts slide oppositely and reversely on the corresponding screw rods, and the combined steel formwork ascends and descends. The steel pipe columns on two sides of the post-cast strip are used as temporary back-jacking supports, the steel pipe columns on two sides are connected through the transverse supporting rods and used as roof post-cast strip reinforcing supports, the supporting structure is stable and reliable, and the construction efficiency of the roof post-cast strip is effectively improved.

Description

Roof post-cast strip supporting structure and construction method thereof
Technical Field
The invention relates to the field of basement post-cast strip construction, in particular to a roof post-cast strip supporting structure and a construction method thereof.
Background
With the rapid development of the urbanization process in China, land resources are developed and utilized in a centralized manner, high-rise residences are built more and more, the construction of the basement post-cast strip is always the key point of the basement construction, and two types of construction processes are usually adopted for the basement roof post-cast strip at present through retrieval of relevant data.
Firstly, the traditional construction process of the roof post-cast strip is that a template support system is independently erected on the lower part of the roof post-cast strip to be cast, and the casting of the roof post-cast strip is started after concrete on two sides of the post-cast strip meets design requirements;
secondly, temporary supporting structures such as steel pipe columns, concrete columns and lattice columns are arranged on two sides of the top plate post-cast strip, after concrete on two sides of the post-cast strip meets design requirements, scaffold supports are erected below the top plate post-cast strip to be cast, and the top plate post-cast strip is cast.
Disclosure of Invention
The invention aims to solve the problems, and provides a roof post-cast strip supporting structure and a construction method thereof.
In order to achieve the purpose, the invention adopts the following scheme:
a supporting structure of a top plate post-cast strip comprises a lower supporting rod, an upper supporting rod, a flower basket sleeve, a combined steel template, an axial rod, a transverse supporting rod, a U-shaped support and a steel corbel; the method is characterized in that: the length of the lower supporting rod and the length of the upper supporting rod are adjusted up and down through the basket sleeve, and symmetrical steel corbels are arranged on the upper supporting rod; the steel bracket is provided with a U-shaped support, a square rod of the transverse supporting rod is fixed on the U-shaped support, and the transverse supporting rod is provided with an axle rod, a square rod, a rotating handle and a group of sliding nuts; the axial rod is provided with two lead screws for the reciprocating motion of the sliding nut, and the axial rod is respectively connected with the combined steel template and the sliding nut; the rotation handle rotates to drive the spindle rod to rotate, so that the sliding nuts slide oppositely and reversely on the corresponding screw rods, and the combined steel formwork ascends and descends.
Preferably, the axial rod is connected with the combined steel formwork and the sliding nut through movable bolts, can be assembled and disassembled, and can rotate around the bolts;
preferably, the steel bracket is connected with the U-shaped support through a bolt, and can be assembled and disassembled.
Preferably, a screw rod is arranged at one end of each of the lower support rod and the upper support rod, and concrete on two sides of the post-cast strip is supported by rotating the basket sleeve to adjust the height;
preferably, a cushion block for adjusting the height is arranged in the U-shaped support, so that the horizontal support rods of the supports at the two sides of the post-cast strip are kept horizontal;
preferably, the diameters of the lower supporting rod and the upper supporting rod are 200mm, and stiffening steel plates are arranged at two ends of the lower supporting rod and the upper supporting rod;
preferably, the combined steel template and the sliding nut are provided with 4 corresponding supporting fixed points;
preferably, the corresponding screw threads at the sliding nuts are opposite, and one group of sliding nuts only have opposite and reverse sliding states;
preferably, the rotating handle rotates anticlockwise, and the group of sliding nuts slide oppositely to enable the combined steel formwork to ascend;
preferably, the rotating handle rotates clockwise, and the group of sliding nuts slides reversely to enable the combined steel moulding plate to descend;
another object of the present invention is to provide a construction method of a roof post-cast strip support structure, which is characterized by comprising the following steps:
the method comprises the following steps: and before the concrete formwork supports on the two sides of the post-cast strip are removed, the back-jacking steel pipe support positions are positioned at intervals of 2m in the axial direction and at distances of 300mm from the two sides of the edge of the post-cast strip.
Step two: install lower branch vaulting pole, go up bracing piece, basket of flowers sleeve, adjust the height that backs to support through the basket of flowers sleeve, guarantee that post-cast strip both sides concrete backs to support effectively.
Step three: and removing the supports of the steel pipe frames for the concrete on the two sides of the post-cast strip, and cleaning the reinforcing steel bars of the post-cast strip of the top plate and removing the loose concrete from the groove after the concrete on the two sides of the post-cast strip meets the design requirement.
Step four: u-shaped supports are respectively arranged on the corresponding steel corbels at the two sides of the post-cast strip and are fixed through nuts; a transverse supporting rod is arranged on the U-shaped support, a square rod on the transverse supporting rod is embedded into the U-shaped support, and a cushion block in the U-shaped support is adjusted to enable the transverse supporting rod to be kept in a horizontal state.
Step five: adjusting a group of sliding nuts on the transverse supporting rod to keep the transverse supporting rod in a state of the farthest relative distance; and the two ends of the axial rod are respectively connected with the combined steel template and the sliding nut through movable bolts.
Step six: meanwhile, the rotating handle on the transverse supporting rod is rotated anticlockwise, a group of sliding nuts slide in opposite directions, the combined steel formwork is lifted upwards until the combined steel formwork is flush with concrete on two sides of the post-cast strip, and the rotation is stopped.
Step seven: after the rest templates of the top plate post-cast strip are installed according to the steps, pouring the concrete of the top plate post-cast strip, maintaining according to the design requirement after pouring is finished, when the strength of the top plate post-cast strip reaches 50%, simultaneously, clockwise rotating a rotating handle on a transverse supporting rod, reversely sliding a group of sliding nuts, and enabling a combined steel template to descend downwards to be separated from the concrete of the top plate post-cast strip;
step eight: and (4) dismantling the axial rod, the combined steel template, the transverse supporting rod and the U-shaped support. And the circulation is used for the construction of the next roof post-cast strip.
The invention has the advantages that: utilize post-cast strip both sides steel-pipe column to support as interim back to the top, connect both sides steel-pipe column with horizontal support bar and consolidate as roof post-cast strip and support, this bearing structure is reliable and stable, and ann tears the construction open conveniently, does not influence the workman current, and the manual work that significantly reduces has effectually improved roof post-cast strip efficiency of construction.
Drawings
FIG. 1: mold closing schematic diagram of combined steel template with top plate post-cast strip supporting structure
FIG. 2 is a schematic diagram: demoulding schematic diagram of combined steel template with top plate post-cast strip supporting structure
FIG. 3: axial elevation of roof post-cast strip supporting structure
FIG. 4 is a schematic view of: detailed drawing of steel bracket of supporting structure of roof post-cast strip
FIG. 5 is a schematic view of: top plate post-cast strip supporting structure transverse supporting rod node diagram
In the figure: 1. the steel bracket comprises a lower supporting rod, 2 parts of an upper supporting rod, 3 parts of a basket sleeve, 4 parts of a combined steel template, 5 parts of an axial rod, 6 parts of a transverse supporting rod, 601 parts of an axial rod, 602 parts of a square rod, 603 parts of a rotating handle, 604 parts of a sliding nut, 7.U-shaped supports, 8 parts of a steel bracket.
Detailed Description
Example 1:
as shown in fig. 1 to 5, a roof post-cast strip supporting structure comprises a lower supporting rod 1, an upper supporting rod 2, a flower basket sleeve 3, a combined steel template 4, an axial rod 5, a transverse supporting rod 6, a U-shaped support 7 and a steel corbel 8; the method is characterized in that: the length of the lower support rod 1 and the length of the upper support rod 2 are adjusted up and down through a basket sleeve 3, and symmetrical steel corbels 8 are arranged on the upper support rod 2; the steel bracket 8 is provided with a U-shaped support 7, the square rod 602 of the transverse support rod 6 is fixed on the U-shaped support 7, and the transverse support rod 6 is provided with an axle rod 601, a square rod 602, a rotating handle 603 and a group of sliding nuts 604; the axial rod 601 is provided with two lead screws for the reciprocating motion of a sliding nut 604, and the axial rod 5 is respectively connected with the combined steel template 4 and the sliding nut 604; the rotation handle 603 rotates to drive the spindle rod 601 to rotate, so that the sliding nut 604 slides oppositely and reversely on the corresponding screw rod, and the combined steel moulding plate 4 is lifted and lowered.
The axial rod 5 is connected with the combined steel moulding plate 4 and the sliding nut 604 through movable bolts, can be assembled and disassembled, and can rotate around the bolts; the steel bracket 8 is connected with the U-shaped support 7 through bolts, and can be assembled and disassembled. One end of each of the lower support rod 1 and the upper support rod 2 is provided with a screw rod, and concrete on two sides of the post-cast strip is supported by rotating the basket sleeve 3 to adjust the height; a cushion block for adjusting the height is arranged in the U-shaped support 7, so that the horizontal support rods 6 supported at the two sides of the post-cast strip are kept horizontal; the diameters of the lower supporting rod 1 and the upper supporting rod 2 are 200mm, and stiffening steel plates are arranged at the two ends of the lower supporting rod and the upper supporting rod; the combined steel template 4 and the sliding nut 604 are provided with 4 corresponding supporting fixed points; the corresponding screw threads at the sliding nuts 604 are opposite, and one group of sliding nuts 604 only have opposite and reverse sliding states; the rotating handle 603 rotates anticlockwise, and the group of sliding nuts 604 slides oppositely to enable the combined steel formwork 4 to ascend; the turning handle 603 is turned clockwise and a set of sliding nuts 604 is slid in reverse to lower the composite steel form 4.
Example 2:
as shown in fig. 1 to 5, a construction method of a roof post-cast strip support structure includes the following steps:
the method comprises the following steps: before the concrete formwork supports on the two sides of the post-cast strip are dismantled, the back-jacking steel pipe support positions are located at the positions which are 300mm away from the two sides of the edge of the post-cast strip and 2m away from the axis direction;
step two: a lower support rod 1, an upper support rod 2 and a flower basket sleeve 3 are installed, the height of the back support is adjusted through the flower basket sleeve 3, and the effect of the back support of concrete on two sides of the post-cast strip is guaranteed;
step three: removing the concrete steel pipe support supports on the two sides of the post-cast strip, and cleaning the reinforcing steel bars of the top plate post-cast strip and picking the loose concrete after the concrete on the two sides of the post-cast strip meets the design requirement;
step four: u-shaped supports 7 are respectively arranged on corresponding steel corbels 8 on two sides of the post-cast strip and are fixed through nuts; a transverse supporting rod 6 is arranged on the U-shaped support 7, a square rod 602 on the transverse supporting rod 6 is embedded into the U-shaped support 7, and a cushion block in the U-shaped support 7 is adjusted to keep the transverse supporting rod 6 in a horizontal state;
step five: adjusting a set of sliding nuts 604 on the transverse support bar 6 to keep it in a state of the farthest relative distance; installing an axial rod 5, and connecting two ends of the axial rod with the combined steel template 4 and the sliding nut 604 through movable bolts respectively;
step six: meanwhile, the rotating handle 603 on the transverse supporting rod 6 is rotated anticlockwise, a group of sliding nuts 604 slide oppositely, the combined steel template 4 is lifted upwards until the combined steel template is flush with the concrete on the two sides of the post-cast strip, and the rotation is stopped;
step seven: after the rest templates of the top plate post-cast strip are installed according to the steps, pouring the concrete of the top plate post-cast strip, maintaining according to the design requirement after pouring is finished, when the strength of the top plate post-cast strip reaches 50%, simultaneously clockwise rotating a rotating handle 603 on a transverse supporting rod 6, reversely sliding a group of sliding nuts 604, and downwards descending a combined steel template 4 to be separated from the concrete of the top plate post-cast strip;
step eight: and removing the axial rod 5, the combined steel template 4, the transverse support rod 6 and the U-shaped support 7. The turnover is used for the construction of the next roof post-cast strip.
The invention has the advantages that: utilize the post-cast strip both sides steel-pipe column to support as interim back to the top, connect both sides steel-pipe column with horizontal bracing piece and consolidate as roof post-cast strip and support, this bearing structure is reliable and stable, and it is convenient to ann tear the construction open, does not influence the workman current, and the manual work that significantly reduces has effectually improved roof post-cast strip efficiency of construction.

Claims (10)

1. A supporting structure of a top plate post-cast strip comprises a lower supporting rod (1), an upper supporting rod (2), a flower basket sleeve (3), a combined steel template (4), an axial rod (5), a transverse supporting rod (6), a U-shaped support (7) and a steel bracket (8); the method is characterized in that: the length of the lower supporting rod (1) and the length of the upper supporting rod (2) are adjusted up and down through the flower basket sleeve (3), and symmetrical steel corbels (8) are arranged on the upper supporting rod (2); a U-shaped support (7) is arranged on the steel bracket (8), a square rod (602) of the transverse supporting rod (6) is fixed on the U-shaped support (7), and a shaft center rod (601), the square rod (602), a rotating handle (603) and a group of sliding nuts (604) are arranged on the transverse supporting rod (6); the axial rod (601) is provided with two lead screws for the reciprocating motion of the sliding nut (604), and the axial rod (5) is respectively connected with the combined steel template (4) and the sliding nut (604); the rotating handle (603) rotates to drive the spindle rod (601) to rotate, so that the sliding nut (604) slides oppositely and reversely on the corresponding screw rod, and the combined steel formwork (4) ascends and descends.
2. A roof strip support structure as claimed in claim 1, wherein: the axial rod (5) is connected with the combined steel template (4) and the sliding nut (604) through movable bolts, can be assembled and disassembled, and can rotate around the bolts.
3. A roof strip support structure as claimed in claim 1, wherein: the steel bracket (8) is connected with the U-shaped support (7) through bolts, and can be assembled and disassembled.
4. A roof strip support structure as claimed in claim 1, wherein: and one ends of the lower supporting rod (1) and the upper supporting rod (2) are provided with screw rods, and the heights of the screw rods are adjusted by rotating the flower basket sleeve (3) to support concrete on two sides of the post-cast strip.
5. A roof strip support structure as claimed in claim 1, wherein: the U-shaped supports (7) are internally provided with cushion blocks with adjustable height, so that the horizontal support rods (6) supported on the two sides of the post-cast strip are kept horizontal.
6. A roof strip support structure as claimed in claim 1, wherein: the diameter of the lower supporting rod (1) and the diameter of the upper supporting rod (2) are 200mm, and stiffening steel plates are arranged at two ends of the lower supporting rod and the upper supporting rod respectively.
7. A roof strip support structure as claimed in claim 1, wherein: the combined steel template (4) and the sliding nut (604) are provided with 4 corresponding supporting fixed points.
8. A roof strip support structure as claimed in claim 1, wherein: the corresponding screw threads at the sliding nuts (604) are opposite, and one group of sliding nuts (604) only have opposite and reverse sliding states.
9. A roof strip support structure as claimed in claim 1, wherein: the rotating handle (603) rotates anticlockwise, and the group of sliding nuts (604) slide oppositely to enable the combined steel formwork (4) to ascend; the rotating handle (603) rotates clockwise, and the group of sliding nuts (604) slides reversely to enable the combined steel moulding plate (4) to descend.
10. A method of constructing a roof strip support structure as claimed in any one of claims 1 to 9, including the steps of:
the method comprises the following steps: before the concrete formwork supports on the two sides of the post-cast strip are removed, the back-jacking steel pipe support positions are positioned at the distance of 300mm from the two sides of the edge of the post-cast strip and at the distance of 2m in the axial direction;
step two: a lower support rod (1), an upper support rod (2) and a flower basket sleeve (3) are installed, and the height of the back-jacking support is adjusted through the flower basket sleeve (3), so that the back-jacking support of concrete on two sides of the post-cast strip is guaranteed to be effective;
step three: removing the concrete steel pipe support supports on the two sides of the post-cast strip, and cleaning the reinforcing steel bars of the top plate post-cast strip and picking the loose concrete after the concrete on the two sides of the post-cast strip meets the design requirement;
step four: u-shaped supports (7) are respectively arranged on corresponding steel corbels (8) at two sides of the post-cast strip and are fixed through nuts; a transverse supporting rod (6) is arranged on the U-shaped support (7), a square rod (602) on the transverse supporting rod (6) is embedded into the U-shaped support (7), and a cushion block in the U-shaped support (7) is adjusted to keep the transverse supporting rod (6) in a horizontal state;
step five: adjusting a group of sliding nuts (604) on the transverse supporting rod (6) to keep the sliding nuts in a state of the farthest relative distance; an axial rod (5) is installed, and two ends of the axial rod are respectively connected with the combined steel template (4) and the sliding nut (604) through movable bolts;
step six: meanwhile, a rotating handle (603) on the transverse supporting rod (6) is rotated anticlockwise, a group of sliding nuts (604) slide oppositely, the combined steel formwork (4) is lifted upwards until the combined steel formwork is flush with concrete on two sides of the post-cast strip, and the rotation is stopped;
step seven: after the rest templates of the top plate post-cast strip are installed according to the steps, the top plate post-cast strip concrete is poured, maintenance is carried out according to design requirements after pouring is finished, when the strength of the top plate post-cast strip reaches 50%, a rotating handle (603) on a transverse supporting rod (6) is rotated clockwise, a group of sliding nuts (604) slide reversely, and a combined steel template (4) descends downwards to be separated from the top plate post-cast strip concrete;
step eight: and (3) dismantling the axial rod (5), the combined steel template (4), the transverse supporting rod (6) and the U-shaped support (7), and transferring the axial rod, the combined steel template, the transverse supporting rod and the U-shaped support for the construction of the next roof post-cast strip.
CN202211514028.8A 2022-11-29 2022-11-29 Roof post-cast strip supporting structure and construction method thereof Pending CN115928794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211514028.8A CN115928794A (en) 2022-11-29 2022-11-29 Roof post-cast strip supporting structure and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211514028.8A CN115928794A (en) 2022-11-29 2022-11-29 Roof post-cast strip supporting structure and construction method thereof

Publications (1)

Publication Number Publication Date
CN115928794A true CN115928794A (en) 2023-04-07

Family

ID=86557019

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211514028.8A Pending CN115928794A (en) 2022-11-29 2022-11-29 Roof post-cast strip supporting structure and construction method thereof

Country Status (1)

Country Link
CN (1) CN115928794A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117166756A (en) * 2023-08-09 2023-12-05 上海宝冶集团有限公司 Basement roof post-pouring strip reinforcement supporting system and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117166756A (en) * 2023-08-09 2023-12-05 上海宝冶集团有限公司 Basement roof post-pouring strip reinforcement supporting system and construction method

Similar Documents

Publication Publication Date Title
CN110439270B (en) Construction method of post-cast strip disassembly-free support system
CN109138483B (en) Device for alternatively jacking storey-increasing building by utilizing high-strength concrete columns and steel slide ways and construction method thereof
CN201962944U (en) Hydraulic climbing formwork for building construction
CN116733504A (en) Method for assembling tunnel arch ring and cable pit side wall two-lining steel mould trolley
CN115928794A (en) Roof post-cast strip supporting structure and construction method thereof
CN114193611A (en) Construction forming method of assembly type bridge deck prefabricated member
CN110722665B (en) Building template
CN203200664U (en) Slip-form construction device for variable cross-section hollow high pier
CN112176885B (en) Quick construction method for turning over mould of bridge group of viaduct Gao Kongxin
CN112012473B (en) Integrated steel formwork for wall body of cantilever rib type of sewage pool
CN114657905A (en) Integral box culvert vertical combined prefabricated rack and preparation method thereof
CN213115483U (en) Construction structure
CN109235709B (en) Full cast-in-place outer wall structure of building
CN215859053U (en) Independent support post-cast strip floor slab template bearing structure
CN114482608B (en) Plate bottom reinforcing structure based on hanging die construction technology
CN210858094U (en) Lifting steel bracket for jacking and storey-adding
CN221566843U (en) Bottom supporting structure
CN217630482U (en) Assembled building frame
CN213418468U (en) Device for pouring concrete into high-rise building supporting and hanging formwork
CN217419729U (en) Umbrella-bracing type formwork supporting device for reserved holes of large equipment foundation
CN221053161U (en) Integral shaping steel template supporting device for caisson construction of high-rise residential building
CN221320936U (en) Precast pile construction installation device
CN221073474U (en) Elastic supporting device for bay window construction
CN214836396U (en) Automatic moving die carrier for cable trench construction
CN115387474B (en) Special-shaped oversized overhanging concrete structure and construction method thereof

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