CN113123243A - Construction method for conveniently installing hollow pier diaphragm plate device - Google Patents
Construction method for conveniently installing hollow pier diaphragm plate device Download PDFInfo
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- CN113123243A CN113123243A CN202110413843.4A CN202110413843A CN113123243A CN 113123243 A CN113123243 A CN 113123243A CN 202110413843 A CN202110413843 A CN 202110413843A CN 113123243 A CN113123243 A CN 113123243A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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Abstract
The invention discloses a construction method of a hollow pier diaphragm plate device convenient to install. The construction method comprises the steps of welding parts which form a whole according to the requirements of a design drawing, and finishing processing and prefabrication in a factory; embedding four embedded bodies to four corners around the thin wall of the hollow pier to finish the concrete pouring of the pier body section; respectively chiseling node embedded steel plates in the four embedded integers and cleaning the node embedded steel plates to enable the four axile nodes to be respectively fixed on the inner sides of the four embedded integers; an upper horizontal frame structure and a lower horizontal frame structure which are composed of a horizontal bridge horizontal support, a long inclined support and a short inclined support are sequentially arranged among the four peduncle node steel plates; the upper and lower layers of horizontal frame structures form a frame whole; and integrally erecting a framework and pouring in the inner cavity of the hollow pier. The construction method simplifies the construction process of the diaphragm plate device, reduces the construction difficulty and accelerates the construction progress.
Description
Technical Field
The invention relates to the technical field of concrete thin-wall hollow pier diaphragm plate devices, in particular to a construction method of a hollow pier diaphragm plate device convenient to install.
Background
The thin-wall hollow pier has the characteristics of light self weight, large section rigidity and good economical efficiency, and is widely applied to pier structures with pier heights larger than 40 m. Along with the increase of pier height, in order to prevent that hollow thin wall pier from taking place whole or local unstability, generally must adopt the mode that sets up the cross slab to strengthen structural rigidity, guarantee stable in structure, safety. The theoretical procedures of the construction of the hollow thin-wall pier with the diaphragm plate are as follows: lifting or climbing the formwork to the transverse partition plate → dismantling the conventional vertical inner formwork → assembling the special-shaped horizontal inner formwork → pouring the transverse partition plate → dismantling the special-shaped horizontal inner formwork → assembling the conventional vertical inner formwork → constructing the lifting or climbing of the pier body formwork. Although the theoretical procedure construction process can ensure better construction quality, the inner membrane needs to be adjusted for many times, and the construction speed of the pier body is also severely restricted while the construction difficulty is higher. Therefore, in actual construction, for guaranteeing pier shaft construction speed and construction convenience, the actual operation process is usually adjusted to be: reserving embedded steel bars of the diaphragm plate → lifting or climbing construction of a pier body template → chiseling the embedded steel bars → erecting a formwork and pouring the diaphragm plate.
The prior art thin-walled hollow pier construction with a concrete diaphragm is shown in fig. 1, wherein the conventional concrete diaphragm α has a cross-section i-i shown in fig. 2. In the practical operation process, firstly, the embedded anchoring steel bars 21 are sleeved in the embedded sleeves 22, the embedded anchoring steel bars 21 and the embedded sleeves 22 are embedded into the thin walls of the hollow piers, then the pier body templates are lifted or climbed for construction, then the embedded steel bars are chiseled out, the transverse bridge direction common steel bars alpha-1 and the transverse bridge direction common steel bars alpha-2 are welded and installed, and finally the transverse partition plates are installed by supporting a mold.
However, the concrete diaphragm plate in the actual operation process is complex to install, the field construction process is complex, and the construction progress is difficult to guarantee.
Disclosure of Invention
The invention aims to simplify the site construction process of the diaphragm plate, reduce the construction difficulty and provide a construction method of the diaphragm plate device of the hollow pier, which is convenient and fast to install.
In order to achieve the aim, the invention provides a construction method of a hollow pier diaphragm plate device which is convenient and fast to install, comprising the following steps:
1) processing and prefabricating all parts which need to be welded to form a whole in the hollow pier diaphragm device convenient and fast to install in a factory according to a design drawing;
2) before pouring of the pier body segment provided with the diaphragm plate device, four embedded bodies are embedded into four corners around the thin wall of the hollow pier integrally, and concrete pouring of the pier body segment is completed;
3) after the pier body template is lifted or climbed to the next section, respectively chiseling out node embedded steel plates in the four embedded integers and cleaning, respectively aligning an axile node anchoring connection steel plate in the four axile nodes with embedded sleeves in the four embedded integers, and screwing a screw into the embedded sleeves to respectively fix the four axile nodes on the inner sides of the four embedded integers;
4) sequentially transversely installing an upper layer of transverse bridge-direction horizontal supports and a lower layer of transverse bridge-direction horizontal supports between the axil node steel plates in the four axil nodes, installing an upper layer of transverse bridge-direction horizontal supports and a lower layer of transverse bridge-direction horizontal supports in a forward direction, and installing an upper layer of long inclined supports and a lower layer of short inclined supports in a crossed direction;
5) inclined strut intersection point nodes are sequentially installed at the intersection of the long inclined strut and the short inclined strut on the upper layer and the intersection of the long inclined strut and the short inclined strut on the lower layer, so that an upper horizontal frame structure and a lower horizontal frame structure which are respectively composed of a transverse bridge-direction horizontal strut, a forward bridge-direction horizontal strut, the long inclined strut and the short inclined strut are formed in the inner cavity of the hollow pier;
6) the horizontal bridge to the horizontal brace in upper strata horizontal frame structure, along the bridge to horizontal brace, long bracing and short bracing respectively with each node installation montant between horizontal bridge to the horizontal brace in lower floor horizontal frame structure, along the bridge to horizontal brace, long bracing and the short bracing, make upper and lower two-layer horizontal frame structure constitute a frame whole.
7) And integrally erecting a framework and pouring in the inner cavity of the hollow pier.
Further, in step 1), install convenient hollow mound cross slab device including respectively pre-buried four pre-buried whole around the hollow mound thin wall, four pre-buried whole is located same horizontal plane, four corners of square structure respectively, and its special character lies in: the inner side of a node embedded steel plate which is vertically arranged in each embedded whole body is provided with armpit nodes which are positioned in the inner cavity of the hollow pier, are symmetrical in an upper layer and a lower layer and are horizontally suspended; every layer is four transverse connection has the cross bridge respectively between the stalk axillary node to the horizontal brace, and vertical connection has along the bridge to the horizontal brace, and the diagonal angle is connected with long bracing and short bracing, and short bracing is cut off by long bracing, and long bracing and short bracing cut-off department are equipped with the crossing node of bracing that is used for connecting long bracing and short bracing.
Furthermore, the four embedded integers comprise anchoring steel bar groups which are spatially arranged in an upper layer and a lower layer, and the inner end of each anchoring steel bar in each layer of anchoring steel bar group is sleeved in the embedded sleeve; the node embedded steel plate is provided with a hole matched with the embedded sleeve, and the embedded sleeve is welded in the hole, so that the embedded sleeve is used as a screw cap.
Further, it is upper and lower two-layer the stalk axilla node all includes the unsettled stalk axilla node steel sheet of arranging of level, the welding of stalk axilla node steel sheet and the pre-buried steel sheet junction of node has the stalk axilla node anchor connecting steel sheet that is vertical arrangement with the pre-buried steel sheet assorted of node, will screw up to pre-buried sleeve internal rotation with pre-buried sleeve assorted screw rod and can make stalk axilla node anchor connecting steel sheet link to each other with the pre-buried steel sheet of node.
Furthermore, the upper and lower layers of the transverse bridge-direction horizontal support, the forward bridge-direction horizontal support, the long inclined support and the short inclined support are all in a back-to-back channel steel structure consisting of an inner channel steel and an outer channel steel;
the upper and lower layers of inclined strut intersection point nodes respectively comprise inclined strut intersection point node steel plates which are mixed between the inner channel steel and the outer channel steel of the long inclined strut and the short inclined strut, and the long inclined strut and the short inclined strut are connected with the inclined strut intersection point node steel plates through bolt assemblies;
transverse bridge horizontal support base plates are arranged between an inner channel steel and an outer channel steel at the middle point of the transverse bridge horizontal support of the upper layer and the lower layer and are connected into a whole through bolt assemblies, and the inner channel steel and the outer channel steel at the two end parts of the transverse bridge horizontal support of the upper layer and the lower layer are connected with the peduncle node anchoring connecting steel plate through the bolt assemblies;
the bridge-direction horizontal support base plates are arranged between the inner channel steel and the outer channel steel at the middle points of the bridge-direction horizontal supports on the upper layer and the lower layer and are connected into a whole through bolt assemblies, and the inner channel steel and the outer channel steel at the two end parts of the bridge-direction horizontal supports on the upper layer and the lower layer are connected with the peduncle node anchoring connecting steel plate through the bolt assemblies;
the inner and outer channel steels at the two end parts of the upper and lower layers of long inclined struts are connected with the peduncle node anchoring connecting steel plate through bolt assemblies;
and the upper layer and the lower layer of the inner channel steel and the outer channel steel at the two end parts of the short inclined strut are connected with the stalk axillary node anchoring connecting steel plate through bolt assemblies.
Furthermore, transverse bridge horizontal support connecting steel plates perpendicular to the grooves are welded in inner sheet channel steel grooves at the midpoints of the upper and lower layers of transverse bridge horizontal supports, the upper and lower layers of transverse bridge horizontal support connecting steel plates are mixed between the vertical rod back-to-back channel steel structures, and the vertical rods are connected with the upper and lower layers of transverse bridge horizontal support connecting steel plates through bolt assemblies;
the longitudinal bridge horizontal support connecting steel plates perpendicular to the grooves are welded in the inner sheet channel steel grooves at the middle points of the longitudinal bridge horizontal support of the upper layer and the lower layer, the longitudinal bridge horizontal support connecting steel plates of the upper layer and the lower layer are all mixed between the vertical rod back-to-back channel steel structures, and the vertical rods are connected with the longitudinal bridge horizontal support connecting steel plates of the upper layer and the lower layer through bolt assemblies;
long inclined strut connecting steel plates perpendicular to the grooves are welded in the grooves of the inner sheet channel steels at the middle points and two ends of the upper and lower layers of long inclined struts, the long inclined strut connecting steel plates of the upper and lower layers are all mixed between the back-to-back channel steel structures of the vertical rods, and the vertical rods are connected with the long inclined strut connecting steel plates of the upper and lower layers through bolt assemblies;
upper and lower two-layer all the welding has the short bracing connecting steel plate with recess vertically in the interior slice channel steel recess of short bracing both ends department, and upper and lower two-layer short bracing connecting steel plate all mix with between montant back-to-back channel-section steel structure to link to each other montant and upper and lower two-layer short bracing connecting steel plate through bolt assembly.
Furthermore, transverse bridge horizontal support stiffening steel plates perpendicular to the grooves are welded in the grooves of the outer piece channel steels at the midpoints of the upper and lower layers of transverse bridge horizontal support;
the stiffening steel plates perpendicular to the grooves of the forward horizontal support are welded in the grooves of the outer piece channel steels at the middle points of the forward horizontal support of the upper layer and the lower layer;
long inclined strut stiffening steel plates perpendicular to the grooves are welded in the grooves of the outer piece channel steels at the middle points and two ends of the upper and lower layers of long inclined struts;
and short inclined strut stiffening steel plates vertical to the grooves are welded in the grooves of the outer piece channel steels at the two ends of the short inclined struts.
Further, in the step 4), the upper layer and the lower layer of the horizontal bridge horizontal strut, the long inclined strut and the short inclined strut are respectively connected with the peduncle node steel plates at the two ends of the horizontal bridge horizontal strut, the long inclined strut and the short inclined strut by bolts.
Further, in the step 5), the upper layer and the lower layer of the long inclined strut and the short inclined strut are connected with the intersection point nodes of the inclined struts by bolts.
Further, in the step 6), the upper layer and the lower layer are respectively connected with the vertical rod through bolts, wherein the horizontal support in the transverse bridge direction, the horizontal support in the bridge direction, the long inclined support and the short inclined support are connected with the vertical rod through bolts.
The invention has the advantages that:
1. according to the construction method, the embedded whole embedded in four corners of the pier wall is transversely, forwardly and crossly connected to form a frame whole consisting of an upper layer and a lower layer of horizontally arranged frame structures, so that the concrete diaphragm plate in the prior art is replaced, and the mounting process of the diaphragm plate is simplified;
2. in the construction method, integral parts need to be welded: the embedded whole, the peduncle node, the horizontal bridge horizontal brace, the long inclined brace, the short inclined brace and the inclined brace intersection node are prefabricated in a factory at first and then bolted on a construction site to form the whole, the structural rigidity of the hollow pier diaphragm plate device is enhanced by the whole parts, and the construction quality of the hollow pier is ensured more easily.
3. The construction method has no influence or restriction on the construction of the conventional hollow thin-wall pier template lifting or climbing process.
The construction method of the hollow pier diaphragm device convenient to install simplifies the construction process of the diaphragm device, reduces the construction difficulty, accelerates the construction progress, saves the cost of related measures, and avoids the complex processes that the inner membrane of the concrete diaphragm needs to be adjusted for many times, the reinforcing steel bars need to be bound for the second time, the support is cast in place and the like.
Drawings
FIG. 1 is a schematic structural view of a thin-wall hollow pier provided with a conventional concrete diaphragm plate;
wherein the content of the first and second substances,
FIG. 1.1 is a schematic view of a conventional concrete diaphragm plate thin-wall hollow pier along the bridge direction;
FIG. 1.2 is a schematic diagram of a conventional concrete diaphragm thin-wall hollow pier transverse bridge structure;
FIG. 2 is a sectional view taken along line I-I of FIG. 1;
FIG. 3 is a schematic view of a thin-walled hollow pier provided with a hollow pier diaphragm device which is convenient and fast to install and provided by the invention;
wherein the content of the first and second substances,
FIG. 3.1 is a schematic view of a thin-walled hollow pier with a conveniently installed diaphragm plate device of the hollow pier, which is provided by the invention, along the bridge direction;
FIG. 3.2 is a schematic diagram of a transverse bridge structure of a thin-wall hollow pier provided with the hollow pier diaphragm plate device convenient and fast to install, which is provided by the invention;
FIG. 4 is a sectional view taken along line I-I of FIG. 3;
FIG. 5 is a sectional view taken along line II-II of FIG. 3;
FIG. 6 is a schematic view of a stem-axillary node structure of the hollow pier diaphragm device convenient and fast to install;
FIG. 7 is a schematic view of a node structure of a cross bracing point of the hollow pier diaphragm device which is convenient and fast to install and provided by the invention;
FIG. 8 is a schematic view of the construction of the large sample plane A in FIG. 4;
FIG. 9 is a sectional view taken along line I-I of FIG. 8;
FIG. 10 is a schematic view of the construction of the large sample plane B in FIG. 4;
FIG. 11 is a sectional view taken along line I-I of FIG. 10;
FIG. 12 is a schematic view of the large sample plane configuration of C in FIG. 4;
FIG. 13 is a sectional view taken along line I-I of FIG. 12;
FIG. 14 is a schematic view of the large sample plane D of FIG. 4;
FIG. 15 is a sectional view taken along line I-I of FIG. 14;
in the figure:
the hollow pier diaphragm plate device comprises a hollow pier diaphragm plate device beta, a diaphragm plate device beta and a diaphragm plate device, wherein the hollow pier diaphragm plate device beta is arranged along the bridge direction a, the transverse bridge direction b, a conventional concrete diaphragm plate alpha (comprising an after-loading transverse bridge direction common reinforcing steel bar alpha-1, an after-loading transverse bridge direction common reinforcing steel bar alpha-2 and a common reinforcing steel bar welding schematic alpha-3);
the hollow pier diaphragm plate device beta convenient and fast to install provided by the invention comprises: the bridge structure comprises hollow piers 11, a bearing platform 12, a pile foundation 13, a pre-buried whole 2, an armpit node 3, a horizontal bridge-direction horizontal support 4, a horizontal bridge-direction horizontal support 5, a long inclined support 6, a short inclined support 7, an inclined support intersection node 8 and a vertical rod 9;
wherein the content of the first and second substances,
the embedded whole body 2 comprises: embedding an anchoring steel bar group 21, an embedding sleeve 22 and a node embedding steel plate 23;
the peduncle node 3 includes: an oxter node anchoring connecting steel plate 31, an oxter node steel plate 32 and an oxter node stiffening steel plate 33;
horizontal bridge is to horizontal 4 includes: a transverse bridge horizontal support stiffening steel plate 41, a transverse bridge horizontal support connecting steel plate 42 and a transverse bridge horizontal support backing plate 43;
along bridge to horizontal brace 5 includes: a stiffening steel plate 51 of the along-bridge horizontal support, a connecting steel plate 52 of the along-bridge horizontal support and a backing plate 53 of the along-bridge horizontal support;
the long diagonal brace 6 includes: a long inclined strut stiffening steel plate 61 and a long inclined strut connecting steel plate 62;
the short diagonal brace 7 includes: a short diagonal bracing stiffening steel plate 71 and a short diagonal bracing connecting steel plate 72;
the strut intersection node 8 includes: bracing intersection point node steel plates 81;
in addition, the pier height H is more than 40 m.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples, which should not be construed as limiting the invention.
Example (b):
as shown in fig. 3 to 15, the invention provides a construction method of a hollow pier diaphragm plate device convenient to install, which comprises the following steps:
1) and (3) according to a design drawing, finishing machining and prefabricating all parts which need to be welded to form a whole in the hollow pier diaphragm plate device beta and are convenient to install in a factory.
The hollow pier diaphragm plate device beta convenient and fast to install comprises four embedded whole bodies 2 which are embedded around the thin wall of the hollow pier 11 respectively, and the four embedded whole bodies 2 are located on the same horizontal plane and at four corners of a square structure respectively. The inner side of a node embedded steel plate 23 which is vertically arranged in each embedded whole 2 is provided with armpit nodes 3 which are positioned in the inner cavity of the hollow pier 11, are symmetrical in an upper layer and a lower layer and are horizontally suspended. Adopt high strength bolt assembly respectively between every four peduncle axillary nodes 3 of layer, transverse connection has two crossbeams to the horizontal brace 4, and vertical being connected with two is in the same direction as bridge to the horizontal brace 5, and the diagonal angle is connected with a long bracing 6 and a short bracing 7, and short bracing 7 is cut off by long bracing 6, and long bracing 6 and short bracing 7 cut off the department and be equipped with the crossing node 8 of bracing that is used for connecting long bracing 6 and short bracing 7. The upper and lower two-layer horizontal frame structure formed above replaces the traditional diaphragm plate, and has hoop effect on the local part of the high pier body.
2) Before the pier body segment provided with the diaphragm plate device is poured, four embedded whole bodies 2 are embedded into four corners around the thin wall of the hollow pier 11, and concrete pouring of the pier body segment is completed.
Four pre-buried whole 2 all are including the anchor reinforcing bar group 21 that is upper and lower two-layer spatial arrangement, and every layer of anchor reinforcing bar group 21 is the loudspeaker type and arranges. The inner end of each anchoring steel bar in each layer of anchoring steel bar group 21 is sleeved in the embedded sleeve 22. The node embedded steel plate 23 which is horn-shaped in cross section and vertically arranged is provided with a hole matched with the embedded sleeve 22, and the embedded sleeve 22 is welded in the hole, so that the embedded sleeve 22 is used as a screw cap for connecting the peduncle node 3 in the thin-wall cavity. The embedded whole 2 is convenient and fast to install directly after being processed in a factory, and the problems of poor construction quality and the like caused by welding construction on site are avoided.
3) After the pier body template is lifted or climbed to the next section, respectively chiseling out the node embedded steel plates (23) in the four embedded bodies (2) and cleaning, respectively aligning the axile node anchoring connection steel plates (31) in the four axile nodes (3) with the embedded sleeves (22) in the four embedded bodies (2), and screwing in screws into the embedded sleeves (22), so that the four axile nodes (3) are respectively fixed on the inner sides of the four embedded bodies (2).
Each anchoring steel bar in the anchoring steel bar group 21 is in threaded connection with the embedded sleeve 22. Compared with welding, the connection guarantee rate of threaded connection is better, the threaded connection is convenient to operate, and quality problems caused by poor field welding and other reasons are avoided.
Upper and lower two-layer stalk axillary node 3 all includes the unsettled stalk axillary node steel sheet 32 of arranging of level, and the welding of stalk axillary node steel sheet 32 and the pre-buried steel sheet 23 junction of node has the stalk axillary node anchor connecting steel sheet 31 of 23 assorted with the pre-buried steel sheet of node, be vertical arrangement, transversal loudspeaker type of personally submitting, will screw up to pre-buried sleeve 22 internal rotation with pre-buried sleeve 22 assorted screw rod and can make stalk axillary node anchor connecting steel sheet 31 and the pre-buried steel sheet 23 of node link to each other.
The vertically arranged node embedded steel plates 23 serve as connecting bases, and not only have the function of being connected with the anchoring steel bar group 21 to transfer force, but also are convenient to bolt with the peduncle node anchoring connecting steel plates 31 to form nodes.
The inner surface of the peduncle node anchoring and connecting steel plate 31 is also welded with a peduncle node stiffening steel plate 33 which is perpendicular to the inner surface of the peduncle node anchoring and connecting steel plate 32, so that the structural rigidity between the peduncle node anchoring and connecting steel plate 31 and the peduncle node steel plate 32 is enhanced.
4) Four in proper order between the stalk axillary node steel sheet (32) in stalk axillary node (3) two-layer horizontal bridge is to horizontal brace (4) about transversely installing, two-layer horizontal brace (5) of following the bridge in the same direction installation about, two-layer long bracing (6) and upper and lower two-layer short bracing (7) about alternately installing.
The upper and lower layers of transverse bridge horizontal braces 4, the forward bridge horizontal braces 5, the long inclined braces 6 and the short inclined braces 7 are all of back-to-back channel steel structures consisting of inner and outer channel steel.
All be provided with horizontal bridge to horizontal brace filler plate 43 between the two-layer horizontal bridge to 4 middle point department inside and outside channel-section steel from top to bottom to connect into whole through bolt assembly, it is two-layer from top to bottom horizontal bridge is all continuous with stalk axillary node anchor connecting steel plate 31 through high strength bolt assembly to horizontal bridge in 4 both ends, outside two-layer horizontal bridge to 4 both ends, thereby makes upper and lower two-layer horizontal bridge to constitute a whole with the stalk axillary node anchor connecting steel plate 31 at its both ends respectively, improves overall structure stability.
All be provided with between the two-layer upper and lower in the same direction as bridge to the horizontal 5 middle point department inside and outside channel-section steel and prop filler plate 53 in the same direction as the bridge to connect into whole through bolt assembly, it is two-layer from top to bottom in the same direction as bridge to the horizontal 5 both ends inside and outside channel-section steel all link to each other with stalk axillary node anchor connecting steel plate 31 through high strength bolt assembly, thereby upper and lower two-layer in the same direction as bridge to the horizontal 5 and constitute a whole with the stalk axillary node anchor connecting steel plate 31 at its both ends respectively, improve overall structure stability.
The inside and outside channel-section steel of two-layer long bracing 6 both ends all links to each other with stalk axilla node anchor steel sheet 31 through high strength bolt assembly about the two-layer to make two-layer long bracing 6 about the messenger constitute a whole with the stalk axilla node anchor steel sheet 31 at its both ends respectively, improve overall structure stability.
The upper and lower two-layer short bracing 7 both ends inside and outside channel-section steel all links to each other with stalk axilla node anchor steel sheet 31 through high strength bolt assembly to make upper and lower two-layer short bracing 7 constitute a whole with the stalk axilla node anchor steel sheet 31 at its both ends respectively, improve overall structure stability.
When the transverse bridge horizontal brace 4, the transverse bridge horizontal brace 5, the long inclined brace 6 and the short inclined brace 7 on the upper layer and the lower layer respectively form a whole with the armpit node anchoring connecting steel plates 31 on the two ends, the inner cavity of the hollow pier forms the whole of the horizontal frame on the upper layer and the lower layer.
5) And inclined strut intersection point nodes (8) are arranged at the intersections of the long inclined strut and the short inclined strut and at the lower layer in sequence, so that an upper layer and a lower layer of a horizontal frame structure formed by a transverse bridge horizontal strut (4), a forward bridge horizontal strut (5), the long inclined strut (6) and the short inclined strut (7) are formed in the hollow pier inner cavity.
The upper and lower two-layer inclined strut node 8 comprises inclined strut node steel plates 81 which are mixed between the inner and outer channel steel sheets of the long inclined strut 6 and the short inclined strut 7, and the long inclined strut 6 and the short inclined strut 7 are connected with the inclined strut node steel plates 81 through high-strength bolt assemblies, so that the upper and lower two-layer long inclined struts 6 respectively form a whole with the upper and lower two-layer short inclined struts 7, and the stability of the whole structure is improved.
6) The horizontal bridge in the upper horizontal frame structure is supported (4), is supported (5), long bracing (6) and short bracing (7) to the level along the bridge with horizontal bridge in the lower horizontal frame structure is supported (4), is supported (5), long bracing (6) and short bracing (7) along the bridge and each node installation montant (9) between each node respectively, makes upper and lower two-layer horizontal frame structure constitute a frame wholly.
All welding in the 4 midpoint department's of upper and lower two-layer horizontal bridge to the horizontal brace inner sheet channel steel recess has and has propped steel sheet 42 to the horizontal brace with recess vertically horizontal bridge, and upper and lower two-layer horizontal bridge props steel sheet 42 to the horizontal brace and all is mingled with between montant 9 back of the body groove steel construction, and link to each other montant 9 and upper and lower two-layer horizontal bridge to horizontal brace steel sheet 42 through high strength bolt assembly, thereby will be upper and lower two-layer horizontal bridge to the horizontal brace 4 connection form a whole, two-layer frame construction's rigidity about the increase.
All welded in the 5 midpoint department's of vertical two-layer in the same direction as the bridge in the bridge groove steel recess and prop steel sheet 52 to the level with the recess vertically, and upper and lower two-layer in the same direction as the bridge prop steel sheet 52 all mix with between montant 9 back groove steel construction to prop steel sheet 52 with the bridge in the same direction as the bridge through high strength bolt assembly and link to each other montant 9 and upper and lower two-layer in the same direction as the bridge and prop steel sheet 52 to the level, thereby will be upper and lower two-layer in the same direction as the bridge and prop 5 connection formation whole to the level.
All welding in the interior piece channel steel recess of upper and lower two-layer long bracing 6 mid point and both ends department has long bracing connecting steel plate 62 perpendicular with the recess, and upper and lower two-layer long bracing connecting steel plate 62 all mix with between montant 9 back of the body channel steel structure to link to each other montant 9 and upper and lower two-layer long bracing connecting steel plate 62 through high strength bolt assembly, thereby will be upper and lower two-layer long bracing 6 connect and form a whole, two-layer frame construction's rigidity about the increase.
All welded in the interior piece channel steel recess of upper and lower two-layer short bracing 7 both ends department has with recess vertically short bracing connecting steel plate 72, and upper and lower two-layer short bracing connecting steel plate 72 all mix with between montant 9 back of the body channel steel structure to link to each other montant 9 and upper and lower two-layer short bracing connecting steel plate 72 through high strength bolt assembly, thereby will be upper and lower two-layer short bracing 7 connect and form a whole, two-layer frame construction's rigidity about the increase.
After the upper and lower layers of transverse bridge horizontal braces 4, the upper and lower layers of transverse bridge horizontal braces 5, the upper and lower layers of long inclined braces 6 and the upper and lower layers of short inclined braces 7 are connected, the upper and lower layers of horizontal frame structures form a frame whole of the hollow pier inner cavity.
In addition, the grooves of the channel steel of the outer plates at the middle points of the upper and lower layers of transverse bridge horizontal braces 4 are internally welded with transverse bridge horizontal brace stiffening steel plates 41 perpendicular to the grooves and used for locally reinforcing the channel steel of the outer sides of the middle points of the transverse bridge horizontal braces 4.
And stiffening steel plates 51 perpendicular to the grooves are welded in the grooves of the outer piece channel steels at the middle points of the upper and lower layers of the horizontal supports 5 along the bridge and are used for locally reinforcing the outer side channel steels at the middle points of the horizontal supports 5 along the bridge.
And long inclined strut stiffening steel plates 61 vertical to the grooves are welded in the grooves of the outer piece channel steels at the middle points and the two ends of the upper and lower layers of long inclined struts 6 and are used for locally reinforcing the outer channel steels at the middle points and the two ends of the long inclined struts 6.
And short inclined strut stiffening steel plates 71 vertical to the grooves are welded in the grooves of the outer piece channel steels at the two ends of the upper and lower layers of short inclined struts 7 and are used for locally reinforcing the outer channel steels at the two ends of the short inclined struts 7.
7) And integrally erecting and pouring the frame in the inner cavity of the hollow pier (11).
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A construction method for conveniently installing a transverse clapboard device of a hollow pier is characterized by comprising the following steps:
1) processing and prefabricating all parts needing to be welded to form a whole in the hollow pier diaphragm plate device (beta) which is convenient and fast to install in a factory according to a design drawing;
2) before pouring of the pier body section provided with the diaphragm plate device, the four embedded bodies (2) are embedded to four corners around the thin wall of the hollow pier (11) to finish concrete pouring of the pier body section;
3) after the pier body template is lifted or climbed to the next section, respectively chiseling node embedded steel plates (23) in the four embedded bodies (2) and cleaning, respectively aligning the axile node anchoring connection steel plates (31) in the four axile nodes (3) with embedded sleeves (22) in the four embedded bodies (2), and screwing screws into the embedded sleeves (22) to respectively fix the four axile nodes (3) on the inner sides of the four embedded bodies (2);
4) an upper layer of transverse bridge horizontal braces (4) and a lower layer of transverse bridge horizontal braces (5) are transversely arranged between the peduncle node steel plates (32) in the four peduncle nodes (3), an upper layer of longitudinal bridge horizontal braces (5) and a lower layer of long braces (6) and an upper layer of short braces (7) are crosswise arranged;
5) inclined strut intersection point nodes (8) are sequentially arranged at the intersections of the long inclined strut and the short inclined strut on the upper layer and the intersections of the long inclined strut and the short inclined strut on the lower layer, so that an upper layer and a lower layer of a horizontal frame structure respectively consisting of a transverse bridge-direction horizontal strut (4), a forward bridge-direction horizontal strut (5), a long inclined strut (6) and a short inclined strut (7) are formed in the cavity of the hollow pier;
6) vertical rods (9) are arranged at nodes among the transverse bridge-direction horizontal support (4), the bridge-direction horizontal support (5), the long inclined support (6) and the short inclined support (7) in the upper-layer horizontal frame structure and the transverse bridge-direction horizontal support (4), the bridge-direction horizontal support (5), the long inclined support (6) and the short inclined support (7) in the lower-layer horizontal frame structure respectively, so that the upper-layer horizontal frame structure and the lower-layer horizontal frame structure form a frame whole;
7) and integrally erecting and pouring the frame in the inner cavity of the hollow pier (11).
2. The construction method of the hollow pier diaphragm device convenient to install according to claim 1, wherein: in the step 1), the conveniently-installed hollow pier diaphragm plate device (beta) comprises four embedded bodies (2) which are respectively embedded around the thin wall of a hollow pier (11), the four embedded bodies (2) are respectively positioned on the same horizontal plane and at four corners of a square structure, and armpit nodes (3) which are positioned in the inner cavity of the hollow pier (11) and are symmetrical in upper and lower layers and horizontally suspended are arranged on the inner side of a node embedded steel plate (23) which is vertically arranged in each embedded body (2); every layer is four transverse connection has horizontal bridge to horizontal brace (4) respectively between stalk axillary node (3), and vertical connection has in the same direction as bridge to horizontal brace (5), and diagonal angle is connected with long bracing (6) and short bracing (7), and short bracing (7) are cut off by long bracing (6), and long bracing (6) and short bracing (7) cut off the department and are equipped with bracing nodical node (8) that are used for connecting long bracing (6) and short bracing (7).
3. The construction method of the hollow pier diaphragm device convenient to install according to claim 2, wherein: the four embedded integers (2) respectively comprise anchoring steel bar groups (21) which are spatially arranged in an upper layer and a lower layer, and the inner end of each anchoring steel bar in each layer of the anchoring steel bar groups (21) is sleeved in an embedded sleeve (22); the node embedded steel plate (23) is provided with a hole matched with the embedded sleeve (22), and the embedded sleeve (22) is welded in the hole, so that the embedded sleeve (22) can be used as a screw cap.
4. The construction method of the hollow pier diaphragm device convenient to install according to claim 3, wherein: upper and lower two-layer stalk axillary node (3) all include the unsettled stalk axillary node steel sheet (32) of arranging of level, the welding of stalk axillary node steel sheet (32) and node pre-buried steel sheet (23) junction has stalk axillary node anchor connecting steel sheet (31) that is vertical arranging with node pre-buried steel sheet (23) assorted, will screw up to pre-buried sleeve (22) internal rotation with pre-buried sleeve (22) assorted screw rod and can make stalk axillary node anchor connecting steel sheet (31) link to each other with node pre-buried steel sheet (23).
5. The construction method of the hollow pier diaphragm device convenient to install according to claim 4, wherein:
the upper and lower layers of transverse bridge-direction horizontal supports (4), along-bridge-direction horizontal supports (5), long inclined supports (6) and short inclined supports (7) are all of back-to-back channel steel structures consisting of inner and outer channel steel;
the upper and lower layers of inclined strut intersection point nodes (8) respectively comprise inclined strut intersection point node steel plates (81) which are mixed between the inner channel steel and the outer channel steel of the long inclined strut (6) and the short inclined strut (7), and the long inclined strut (6) and the short inclined strut (7) are connected with the inclined strut intersection point node steel plates (81) through bolt assemblies;
transverse bridge direction horizontal support base plates (43) are arranged between the inner channel steel and the outer channel steel at the middle points of the upper and lower layers of transverse bridge direction horizontal supports (4) and are connected into a whole through bolt assemblies, and the inner channel steel and the outer channel steel at the two end parts of the upper and lower layers of transverse bridge direction horizontal supports (4) are connected with the peduncle node anchoring connecting steel plates (31) through the bolt assemblies;
a bridge-direction horizontal support base plate (53) is arranged between an inner channel steel and an outer channel steel at the middle point of the upper layer of the bridge-direction horizontal support (5) and the lower layer of the bridge-direction horizontal support (5) and is connected into a whole through a bolt assembly, and the inner channel steel and the outer channel steel at the two end parts of the bridge-direction horizontal support (5) of the upper layer and the lower layer are connected with the peduncle node anchoring connecting steel plate (31) through the bolt assembly;
the inner and outer channel steels at the two end parts of the upper and lower layers of long inclined struts (6) are connected with the stalk axillary node anchoring connecting steel plate (31) through bolt assemblies;
the upper layer and the lower layer of the inner channel steel and the outer channel steel at the two end parts of the short inclined strut (7) are connected with the stalk axillary node anchoring connecting steel plate (31) through bolt assemblies.
6. The construction method of the hollow pier diaphragm device convenient to install according to claim 5, wherein:
transverse bridge horizontal support connecting steel plates (42) perpendicular to the grooves are welded in inner sheet channel steel grooves at the midpoints of the upper and lower layers of transverse bridge horizontal supports (4), the transverse bridge horizontal support connecting steel plates (42) of the upper and lower layers are all mixed between back-to-back channel steel structures of the vertical rods (9), and the vertical rods (9) are connected with the transverse bridge horizontal support connecting steel plates (42) of the upper and lower layers through bolt assemblies;
the longitudinal bridge horizontal support connecting steel plates (52) perpendicular to the grooves are welded in the inner sheet channel steel grooves at the middle points of the longitudinal bridge horizontal supports (5) on the upper layer and the lower layer, the longitudinal bridge horizontal support connecting steel plates (52) on the upper layer and the lower layer are all mixed between the back-to-back channel steel structures of the vertical rods (9), and the vertical rods (9) are connected with the longitudinal bridge horizontal support connecting steel plates (52) on the upper layer and the lower layer through bolt assemblies;
long inclined strut connecting steel plates (62) perpendicular to the grooves are welded in the grooves of the inner sheet channel steels at the middle points and two ends of the upper and lower layers of long inclined struts (6), the upper and lower layers of long inclined strut connecting steel plates (62) are all mixed between the back-to-back channel steel structures of the vertical rods (9), and the vertical rods (9) are connected with the upper and lower layers of long inclined strut connecting steel plates (62) through bolt assemblies;
upper and lower two-layer all the welding has and recess vertically short bracing connecting steel plate (72) in the interior sheet channel steel recess of short bracing (7) both ends department, and upper and lower two-layer short bracing connecting steel plate (72) all mix with between montant (9) back-to-back channel-section steel structure to link to each other montant (9) and upper and lower two-layer short bracing connecting steel plate (72) through bolt assembly.
7. The construction method of the hollow pier diaphragm device convenient to install according to claim 6, wherein:
transverse bridge horizontal support stiffening steel plates (41) perpendicular to the grooves are welded in the grooves of the channel steel of the outer piece at the middle points of the upper and lower layers of transverse bridge horizontal supports (4);
a stiffening steel plate (51) perpendicular to the groove of the forward horizontal support is welded in the groove of the outer piece channel steel at the middle point of the forward horizontal support (5) at the upper layer and the lower layer;
long inclined strut stiffening steel plates (61) perpendicular to the grooves are welded in the grooves of the outer piece channel steels at the middle points and two ends of the upper and lower layers of long inclined struts (6);
and short inclined strut stiffening steel plates (71) vertical to the grooves are welded in the grooves of the outer piece channel steels at the two ends of the short inclined strut (7).
8. The construction method of the hollow pier diaphragm device convenient to install according to claim 1, wherein: in the step 4), the upper layer and the lower layer of the transverse bridge horizontal support (4), the transverse bridge horizontal support (5), the long inclined support (6) and the short inclined support (7) are respectively connected with the peduncle node steel plates (32) at the two ends of the transverse bridge horizontal support by bolts.
9. The construction method of the hollow pier diaphragm device convenient to install according to claim 1, wherein: in the step 5), the upper layer and the lower layer of the long inclined strut (6) and the short inclined strut (7) are connected with the inclined strut intersection node (8) through bolts.
10. The construction method of the hollow pier diaphragm device convenient to install according to claim 1, wherein: in the step 6), the upper layer and the lower layer of the horizontal bridge horizontal support (4), the horizontal bridge horizontal support (5), the long inclined support (6) and the short inclined support (7) are respectively connected with the vertical rod (9) through bolts.
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| JP2000303703A (en) * | 1999-02-18 | 2000-10-31 | Matsuo Engineering Kk | Widening construction method for concrete-made structure, construction method for temporary receiving frame on bridge, and reinforcing method for bridge |
| JP2007224579A (en) * | 2006-02-23 | 2007-09-06 | Hirayama Engineering:Kk | Reinforcement structure for bridge structure |
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| CN211395327U (en) * | 2019-08-30 | 2020-09-01 | 中铁五局集团第四工程有限责任公司 | Variable cross-section hollow pier construction device |
| CN111827092A (en) * | 2020-06-29 | 2020-10-27 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier suitable for being provided with diaphragm plate and construction method |
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2021
- 2021-04-16 CN CN202110413843.4A patent/CN113123243B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000303703A (en) * | 1999-02-18 | 2000-10-31 | Matsuo Engineering Kk | Widening construction method for concrete-made structure, construction method for temporary receiving frame on bridge, and reinforcing method for bridge |
| JP2007224579A (en) * | 2006-02-23 | 2007-09-06 | Hirayama Engineering:Kk | Reinforcement structure for bridge structure |
| CN204780629U (en) * | 2015-07-13 | 2015-11-18 | 中国葛洲坝集团股份有限公司 | Bridge pier shaft cross slab template |
| CN108951429A (en) * | 2018-08-30 | 2018-12-07 | 中铁六局集团广州工程有限公司 | The method of frame and hollow pier pier construction built in hollow pier pier shaft |
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