CN207032666U - A kind of reinforced concrete sandwich formula tubing string and superposed type core pipe post - Google Patents
A kind of reinforced concrete sandwich formula tubing string and superposed type core pipe post Download PDFInfo
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- CN207032666U CN207032666U CN201720498619.9U CN201720498619U CN207032666U CN 207032666 U CN207032666 U CN 207032666U CN 201720498619 U CN201720498619 U CN 201720498619U CN 207032666 U CN207032666 U CN 207032666U
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Abstract
A kind of reinforced concrete sandwich formula tubing string and superposed type core pipe post, superposed type tubing string includes outside prefabricated tubing string and using prefabricated tubing string as external mold, the cast-in-place stem being poured in inside prefabricated tubing string, prefabricated tubing string and cast-in-place stem are contour, prefabricated tubing string is reinforced column, including tubing string steel reinforcement cage and tubing string concrete, tubing string steel reinforcement cage includes tubing string and indulges muscle, tubing string stirrup, and the cast-in-place stem includes core column concrete.Superposed type core pipe post also includes default stem steel reinforcement cage in core column concrete in addition to including superposed type tubing string.The utility model superposed type tubing string and superposed type core pipe columns bearing capacity are high, and section is small, adds effective net area, and fire protecting performance is more preferable, are greatly improved the shock resistance of structure, shorten the duration, improve construction quality, are advantageous to industrialized construction.
Description
Technical field
It the utility model is related to a kind of box-like tubing string of aliasing and superposed type core pipe post.
Background technology
Building industrialization is the emphasis of nation-building development, and the main flow structure of building industrialization at present is cast-in-place concrete knot
Structure post, good integrity of constructing, cost is relatively low, economical and practical, has good a durability and fire resistance, but construction quality
Control difficulty is larger, construction period is longer, and tensile strength is low, and anti-seismic performance is poor, and ductility is poor under geological process, easily occurs
Brittle break.
China is the country that earthquake more than one occurs simultaneously, earthquake disaster be cause China resident injures and deaths disaster most from
Right disaster, casualties, property loss are the main losses in earthquake disaster wherein caused by megaseisms disaster.Wenchuan earthquake causes
About 8.7 ten thousand people are dead or missing, and about 37.5 ten thousand people are injured, because current economic condition, technical merit, division management etc. limit
System, earthquake reply is main in the practice of antidetonation concentrates building structure seismic resistance field, and it is far from that this, which is used to tackle megaseisms disaster,
No more.
Big shake even megaseisms can be successfully managed by how finding one kind, and realize in building industrialization industrialized production, green
The novel reinforced concrete post of good, the good anti-seismic performance of color, fire protecting performance faces important problem as engineering.
Utility model content
The purpose of this utility model is to provide a kind of reinforced concrete sandwich formula tubing string and superposed type core pipe post, to solve to pass
The technical problem of the cast-in-place concrete structure poor seismic behavior of system, engineering time long and traditional steel structure fire-resistant difference.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of reinforced concrete sandwich formula tubing string, including two sections of post sections being at least vertically connected with, post section connect with other components
The end connect is connecting node area, every section of post section include outside prefabricated tubing string and using prefabricated tubing string as external mold, be poured in it is prefabricated
Cast-in-place stem inside tubing string,
The prefabricated tubing string is reinforced column, including tubing string steel reinforcement cage and tubing string concrete, the tubing string steel reinforcement cage
Muscle and tubing string stirrup are indulged including tubing string, the tubing string indulges muscle and stretches out tubing string concrete, the tubing string stirrup bag in connecting node area
The combination of more than one round stirrup, spiral bar or both is included,
The cast-in-place stem includes core column concrete and the local strengthening steel reinforcement cage being centrally positioned in core column concrete, institute
State local strengthening steel reinforcement cage and stretch out core column concrete in connecting node area,
Connecting node area split between two sections of post sections, the tubing string for stretching out connecting node area indulge muscle and local stiffener cage
It is connected respectively and is integrated, node area inserts, node area inserts is perfused with the space between connecting node area
For the combination of concrete, grouting material or both.
The intensity of the tubing string concrete is not less than the intensity of core column concrete.
The stirrup of the local strengthening steel reinforcement cage includes the combination of more than one round stirrup, spiral bar or both.
The tubing string external wall cross-section of the prefabricated tubing string is shaped as circular or polygon, the pipe string internal wall of the prefabricated tubing string
Shape of cross section is circular or polygon, and pipe string internal wall is provided with the shearing resistance on protrusion its surface, spaced armored concrete
Key, the shear key are projection or fin, including with tubing string concrete together prefabricated shear key concrete or feather plucking pipe
The inwall of post concrete is formed.
The shear key also includes the shear key reinforcing bar being integrated with tubing string steel reinforcement cage colligation, the shear key reinforcing bar parcel
In shear key concrete.
The connecting node area is also banded with the node beam steel cage of preprocessing, and the node beam steel cage includes laterally wearing
Cross local strengthening steel reinforcement cage node beam longitudinal reinforcement and colligation the both ends of node beam longitudinal reinforcement node beam stirrup.
The tubing string indulges muscle and arranges within one week that the tubing string stirrup includes outer wall stirrup and inwall stirrup along tubing string outer wall,
The outer wall stirrup arranges along tubing string outer wall one week, the inwall stirrup along pipe string internal wall one week, avoid the region of cast-in-place stem
Arrangement, the inwall stirrup are indulged muscle colligation with tubing string and are integrated.
The built-in fitting being formed by connecting by orthogonal anchor leg and anchor slab is embedded with the shaft of the prefabricated tubing string, it is described
Anchor leg is embedded in tubing string concrete.
The tubing string is connected as the sleeve grouting connection of reinforcing bar between indulging muscle, welds or overlap, the local strengthening reinforcing bar
Sleeve grouting connection, welding or the overlap joint of reinforcing bar are connected as between cage.
A kind of reinforced concrete sandwich formula core pipe post, including two sections of post sections being at least vertically connected with, post section and other components
The end of connection is connecting node area, every section of post section include outside prefabricated tubing string and using prefabricated tubing string as external mold, be poured in it is pre-
Cast-in-place stem inside tubulation post,
The prefabricated tubing string is reinforced column, including tubing string steel reinforcement cage and tubing string concrete, the tubing string steel reinforcement cage
Muscle and tubing string stirrup are indulged including tubing string, the tubing string indulges muscle and stretches out tubing string concrete, the tubing string stirrup bag in connecting node area
The combination of more than one round stirrup, spiral bar or both is included,
The cast-in-place stem includes core column concrete and along shaft elongated setting placed in the middle and in connecting node area stretching core
The stem steel reinforcement cage of post concrete, the stem steel reinforcement cage include stem and indulge muscle and stem stirrup,
Connecting node area split between two sections of post sections, the tubing string for stretching out connecting node area indulge muscle and stem steel reinforcement cage difference
It is corresponding to connect as one, node area inserts is perfused with the space between connecting node area, node area inserts is mixed
The combination of solidifying soil, grouting material or both.
The intensity not less than core column concrete of the tubing string concrete.
The stem stirrup includes the combination of more than one round stirrup, spiral bar or both.
The tubing string external wall cross-section of the prefabricated tubing string is shaped as circular or polygon, the pipe string internal wall of the prefabricated tubing string
Shape of cross section is circular or polygon, and pipe string internal wall is provided with the shearing resistance on protrusion its surface, spaced armored concrete
Key, the shear key are projection or fin, including the shear key reinforcing bar that is integrated with tubing string steel reinforcement cage colligation and are mixed with tubing string
Solidifying soil together prefabricated shear key concrete.
The connecting node area is also banded with the node beam steel cage of preprocessing, and the node beam steel cage includes laterally wearing
Cross stem steel reinforcement cage node beam longitudinal reinforcement and colligation the both ends of node beam longitudinal reinforcement node beam stirrup.
The tubing string indulges muscle and arranges within one week that the tubing string stirrup includes outer wall stirrup and inwall stirrup, institute along tubing string outer wall
Outer wall stirrup is stated to arrange along tubing string outer wall one week, the inwall stirrup along pipe string internal wall one week, avoid the region cloth of cast-in-place stem
Put, the inwall stirrup is indulged muscle colligation with tubing string and is integrated.
The built-in fitting being formed by connecting by orthogonal anchor leg and anchor slab is embedded with the shaft of the prefabricated tubing string, it is described
Anchor leg is embedded in tubing string concrete.
The tubing string indulge muscle between be connected as reinforcing bar sleeve grouting connection, welding or overlap joint, the stem steel reinforcement cage it
Between be connected as reinforcing bar sleeve grouting connection, welding or overlap joint.
The utility model has the characteristics that and beneficial effect compared with prior art.
Superposed type tubing string and superposed type core pipe post of the present utility model are set by the overlapping of prefabricated and cast-in-place two parts shaft
Meter is greatly improved the shock resistance of structure, in column section stress maximum region into cast-in-place stem, compared to existing concrete
Cylindrical form section is small, adds effective net area, the significantly more efficient column section that improves is by force efficiency.
Easy to connect, most works between superposed type tubing string and superposed type core pipe post and other components of the present utility model
Make post construction to complete by method for prefabricating, installed without carrying out large-scale column template again at the scene, directly in prefabricated tubing string
Cast-in-place stem is poured, shortens the duration, construction quality is improved, is advantageous to industrialized construction.
The tubing string stirrup of superposed type tubing string of the present utility model is arranged to tie hoop or round stirrup, while superposed type pipe
Post is provided with local strengthening steel reinforcement cage in node region, and the shear resistance of the weak part of two column ends connection be directed to
The reinforcement of property.Superposed type core pipe post of the present utility model is the twin columns overlapping on the basis of superposed type tubing string, in cast-in-place stem
The interior stem stirrup that tie hoop or round stirrup are set, shear key is also provided with inside prefabricated tubing string, enhances cast-in-place stem
Bond stress between prefabricated tubing string, further enhances columns bearing capacity, improves column section by force efficiency.
Brief description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is the vertical structure schematic diagram of superposed type tubing string post section embodiment one in the utility model.
Fig. 2 is the vertical structure schematic diagram of superposed type tubing string post section embodiment two in the utility model.
Fig. 3 is the vertical structure schematic diagram of superposed type tubing string post section embodiment three in the utility model.
Fig. 4 is the vertical structure schematic diagram of superposed type tubing string post section example IV in the utility model.
Fig. 5 is the vertical structure schematic diagram of the superposed type tubing string by taking embodiment two as an example.
Fig. 6 is Fig. 5 the first cross-sectional view.
Fig. 7 is Fig. 5 second of cross-sectional view.
Fig. 8 is the vertical structure schematic diagram of superposed type core pipe post post section embodiment one in the utility model.
Fig. 9 is the vertical structure schematic diagram of superposed type core pipe post post section embodiment two in the utility model.
Figure 10 is the vertical structure schematic diagram of superposed type core pipe post post section embodiment three in the utility model.
Figure 11 is the vertical structure schematic diagram of superposed type core pipe post post section example IV in the utility model.
Figure 12 is the vertical structure schematic diagram of the superposed type core pipe post by taking embodiment two as an example.
Figure 13 is Figure 12 the first cross-sectional view.
Figure 14 is Figure 12 second of cross-sectional view.
Figure 15 is the structural representation that supplement template position is installed in Fig. 5 construction procedure.
Figure 16 is the structural representation that supplement template position is installed in Figure 12 construction procedure.
Reference：The prefabricated tubing strings of 1-, 1.1- tubing strings indulge muscle, 1.2- tubing strings stirrup, 1.2a- outer walls stirrup,
1.2b- inwalls stirrup, 1.3- tubing strings concrete, 1a- tubing strings outer wall, 1b- pipe string internal walls, the cast-in-place stems of 2-, 2.1- cores
Post concrete, 2.2- stems indulge muscle, 2.3- stems stirrup, 2.4- local strengthenings steel reinforcement cage, 3- shear keies, 3.1- shearing resistances
Key concrete, 3.2- shear keies reinforcing bar, 4- node beam steels cage, 4.1- node beams longitudinal reinforcement, 4.2- nodes beam stirrup,
5- built-in fittings, 5.1- anchor slabs, 5.2- anchors leg, 6- supplements template, 7- nodes area inserts.
Embodiment
A kind of reinforced concrete sandwich formula tubing string, including two sections of post sections being at least vertically connected with, post section connect with other components
The end connect is connecting node area.
Embodiment one is shown in Figure 1, and every section of post section includes outside prefabricated tubing string 1 and is external mold with prefabricated tubing string 1, fills
Note the cast-in-place stem 2 inside prefabricated tubing string.
The prefabricated tubing string 1 is reinforced column, including tubing string steel reinforcement cage and tubing string concrete 1.3, tubing string steel reinforcement cage
It is wrapped in tubing string concrete 1.3, the tubing string steel reinforcement cage includes the vertical muscle 1.1 of tubing string and tubing string stirrup 1.2, the tubing string indulge muscle
1.1 stretch out tubing string concrete 1.3 in connecting node area, the tubing string stirrup 1.2 include more than one round stirrup, spiral bar or
The combination of both persons, the intensity of the tubing string concrete 1.3 are not less than the intensity of core column concrete 2.1, the core column concrete
For concrete or regeneration concrete.
The cast-in-place stem 2 includes core column concrete 2.1 and the local strengthening steel being centrally positioned in core column concrete 2.1
Muscle cage 2.4, the local strengthening steel reinforcement cage 2.4 stretch out core column concrete 2.1, the local strengthening steel reinforcement cage in connecting node area
2.4 are centrally placed in the top of cast-in-place stem 2 either bottom or is set simultaneously.It is to set simultaneously in the present embodiment.
The stirrup of the local strengthening steel reinforcement cage includes the combination of more than one spiral bar, round stirrup or both.
Embodiment two is shown in Figure 2, unlike embodiment one, in order to strengthen the combination of priority two parts concrete
Power, it can be provided with the pipe string internal wall 1b and protrude its surface, the shear key 3 of spaced armored concrete, it is described anti-
It is projection or fin to cut key, including with the together prefabricated shear key concrete 3.1 of tubing string concrete 1.3.In other embodiments
In can also be feather plucking tubing string concrete 1.3 inwall be formed.
The shear key can also include the shear key reinforcing bar 3.2 being integrated with tubing string steel reinforcement cage colligation, the shear key
Reinforcing bar 3.2 is wrapped in shear key concrete 3.1.Example is spaced rectangular cam in figure, avoids local strengthening reinforcing bar
The region of cage 2.4 is set, including the shear key reinforcing bar 3.2 that is integrated with tubing string steel reinforcement cage colligation and with tubing string concrete 1.3 1
With prefabricated shear key concrete 3.1.
Embodiment three is shown in Figure 3, unlike embodiment two, in order to be connected with beam, and the local strengthening
The opening position of steel reinforcement cage 2.4 is banded with the node beam steel cage 4 of preprocessing, and the node beam steel cage includes being horizontally through part
The node beam stirrup of the node beam longitudinal reinforcement 4.1 of stiffener cage 2.4 and colligation at the both ends of node beam longitudinal reinforcement 4.1
4.2。
Example IV is shown in Figure 4, unlike embodiment two, is connected for convenience with other components, described pre-
Be embedded with the built-in fitting 5 being formed by connecting by orthogonal anchor leg 5.2 and anchor slab 5.1 on the shaft of tubulation post, the anchor slab with
Tubing string outer wall is concordant, and the anchor leg is embedded in tubing string concrete.
It is shown in Figure 5, this reinforced concrete sandwich formula tubing string, by taking embodiment two as an example, including at least it is vertically connected with
Two sections of post sections, the connecting node area split between two sections of post sections, the tubing string for stretching out connecting node area indulges muscle 1.1 and local strengthening
Steel reinforcement cage 2.4, which is connected respectively, to be integrated, and node area inserts 7, the section are perfused with the space between connecting node area
Point area's inserts 7 is the combination of concrete, grouting material or both.It is provided with space in the present embodiment between connecting node area
With the concrete of the formed by integrally casting of core column concrete 2.1.
Referring to shown in Fig. 6-Fig. 7, the tubing string outer wall 1a shape of cross sections of the prefabricated tubing string are polygon or circle, described
The pipe string internal wall 1b shape of cross sections of prefabricated tubing string are polygon or circle, the coaxial setting of two posts.
The tubing string is indulged muscle 1.1 and arranged along tubing string outer wall 1a mono- week, and the tubing string stirrup includes outer wall stirrup 1.2a and interior
Armlet muscle 1.2b, the outer wall stirrup 1.2a arrange along tubing string outer wall 1a mono- week, and the inwall stirrup 1.2b is along pipe string internal wall 1b
One week, avoid the region arrangement of cast-in-place stem 2, the vertical colligation of muscle 1.1 of the inwall stirrup 1.2b and tubing string is integrated.Referring to Fig. 6
Shown, the first cross section tubing string outer wall 1a shape of cross sections are square, and pipe string internal wall 1b shape of cross sections are square.Due to pipe
Column outer wall 1a and pipe string internal wall 1b shape of cross sections are square, therefore outer wall stirrup 1.2a is square, inwall stirrup 1.2b's
The cross stirrup being made up of two rectangles is designed to, short side and the tubing string of rectangle are indulged the colligation of muscle 1.1 and be integrated.Referring to Fig. 7 institutes
Show, second of cross section tubing string outer wall 1a shape of cross section is circle, and pipe string internal wall 1b shape of cross sections are circle.Therefore outer wall
Stirrup 1.2a is circle, and inwall stirrup 1.2b is also designed to circle, and inwall stirrup 1.2b indulges the colligation of muscle 1.1 with tubing string and is integrated.
The construction method of this reinforced concrete sandwich formula tubing strings of Fig. 5, construction procedure are as follows：
Step 1, the template of prefabricated tubing string 1 is installed in factory；
Step 2, colligation tubing string steel reinforcement cage, tubing string steel reinforcement cage is inserted in template；
Step 3, pours tubing string concrete 1.3 in template and curing concrete to design strength forms prefabricated tubing string；
Step 4, in factory process local strengthening steel reinforcement cage 2.4, then local strengthening steel reinforcement cage 2.4 is put into factory
The precalculated position of prefabricated tubing string and fixation；Or after prefabricated tubing string is transported into scene, local strengthening steel reinforcement cage is made at the scene
2.4, and local strengthening steel reinforcement cage 2.4 is put into precalculated position and the fixation of prefabricated tubing string at the scene；
Step 5, prefabricated tubing string is lifted to precalculated position；
Step 6, by the tubing string of two neighbouring post sections indulge muscle 1.1 and local stiffener cage 2.4 correspond to respectively into
Row is fixedly connected；
Step 7, supplement template 6 is installed on the outside of the connecting node area of adjacent pillars section in step 6；
Step 8, it is shown in Figure 15, if the intensity of tubing string concrete and the strength difference of core column concrete are smaller, and
There is stronger sidewise restraint, with prefabricated tubing string 1 and supplement template 6 for external mold formed by integrally casting core column concrete 2.1 and connecting node
Node area inserts 7 between area, and conserve to design strength and form reinforced concrete sandwich formula tubing string；
Step 9, remove supplement template.
A kind of reinforced concrete sandwich formula core pipe post, including two sections of post sections being at least vertically connected with, post section and other components
The end of connection is connecting node area.
Embodiment one is shown in Figure 8, and every section of post section includes outside prefabricated tubing string 1 and is external mold with prefabricated tubing string 1, fills
Note the cast-in-place stem 2 inside prefabricated tubing string.
The prefabricated tubing string 1 is reinforced column, including tubing string steel reinforcement cage and tubing string concrete 1.3, the tubing string steel
Muscle cage includes tubing string and indulges muscle 1.1 and tubing string stirrup 1.2, and the tubing string indulges muscle 1.1 and stretches out tubing string concrete in connecting node area
1.3, the tubing string stirrup 1.2 includes the combination of more than one round stirrup, spiral bar or both, the tubing string concrete
1.3 intensity more than core column concrete 2.1.The core column concrete is concrete or regeneration concrete.The stem stirrup
2.3 include the combination of more than one round stirrup, spiral bar or both.
The cast-in-place stem 2 and including core column concrete 2.1 and along shaft elongated setting placed in the middle stretched in connecting node area
Go out the stem steel reinforcement cage of core column concrete 2.1, the stem steel reinforcement cage includes stem and indulges muscle 2.2 and stem stirrup 2.3.
Embodiment two is shown in Figure 9, unlike embodiment one, in order to strengthen the combination of priority two parts concrete
Power, it can be provided with the pipe string internal wall 1b and protrude its surface, the shear key 3 of spaced armored concrete, it is described anti-
It is projection or fin to cut key, including with the together prefabricated shear key concrete 3.1, or in other realities of tubing string concrete 1.3
The inwall for applying feather plucking tubing string concrete 1.3 in example is formed.
The shear key also includes the shear key reinforcing bar 3.2 being integrated with tubing string steel reinforcement cage colligation, the shear key reinforcing bar
3.2 it is wrapped in shear key concrete 3.1.Example is spaced rectangular cam in figure, avoids local strengthening steel reinforcement cage 2.4
Region set, including the shear key reinforcing bar 3.2 that is integrated with tubing string steel reinforcement cage colligation and together prefabricated with tubing string concrete 1.3
Shear key concrete 3.1.
Embodiment three is shown in Figure 10, unlike embodiment two, in order to be connected with beam, and the end of the post section
Portion's opening position is banded with the node beam steel cage 4 of preprocessing, and the node beam steel cage includes being horizontally through stem steel reinforcement cage
The node beam stirrup 4.2 of node beam longitudinal reinforcement 4.1 and colligation at the both ends of node beam longitudinal reinforcement 4.1.
Example IV is shown in Figure 11, unlike embodiment two, is connected for convenience with other components, described pre-
Be embedded with the built-in fitting 5 being formed by connecting by orthogonal anchor leg 5.2 and anchor slab 5.1 on the shaft of tubulation post, the anchor slab with
Tubing string outer wall is concordant, and the anchor leg is embedded in tubing string concrete.
It is shown in Figure 12, this reinforced concrete sandwich formula tube core post, by taking embodiment two as an example, including at least connect up and down
The two sections of post sections connect, the connecting node area split between two sections of post sections, the tubing string for stretching out connecting node area indulge muscle 1.1 and stem steel
The vertical muscle 2.2 of the stem of muscle cage, which is connected respectively, to be integrated, and node area inserts 7 is concrete, grouting material or both
Combination.The concrete with the formed by integrally casting of core column concrete 2.1 is provided with space in the present embodiment between connecting node area.
Referring to shown in Figure 13-Figure 14, the tubing string outer wall 1a shape of cross sections of the prefabricated tubing string are polygon or circle, institute
The pipe string internal wall 1b shape of cross sections for stating prefabricated tubing string are polygon or circle, the coaxial setting of two posts.
The tubing string is indulged muscle 1.1 and arranged along tubing string outer wall 1a mono- week, and the tubing string stirrup includes outer wall stirrup 1.2a and interior
Armlet muscle 1.2b, the outer wall stirrup 1.2a arrange along tubing string outer wall 1a mono- week, and the inwall stirrup 1.2b is along pipe string internal wall 1b
One week, avoid the region arrangement of cast-in-place stem 2, the vertical colligation of muscle 1.1 of the inwall stirrup 1.2b and tubing string is integrated.
Shown in Figure 13, the first cross section tubing string outer wall 1a shape of cross sections are square, pipe string internal wall 1b cross sections
It is shaped as square.Because tubing string outer wall 1a and pipe string internal wall 1b shape of cross sections are square, therefore outer wall stirrup 1.2a is side
Shape, the inwall stirrup 1.2b cross stirrup for being designed to be made up of two rectangles, short side and the tubing string of rectangle indulge the colligation of muscle 1.1
It is integrated.Shown in Figure 14, second of cross section tubing string outer wall 1a shape of cross section is circular, pipe string internal wall 1b cross sections shape
Shape is circle.Therefore outer wall stirrup 1.2a is circle, and inwall stirrup 1.2b is also designed to circle, and inwall stirrup 1.2b indulges with tubing string
The colligation of muscle 1.1 is integrated.
The construction method of this reinforced concrete sandwich formula tube core posts of Figure 12, construction procedure are as follows：
Step 1, the template of prefabricated tubing string 1 is installed in factory；
Step 2, colligation tubing string steel reinforcement cage, tubing string steel reinforcement cage is inserted in template；
Step 3, pours tubing string concrete 1.3 in template and curing concrete to design strength forms prefabricated tubing string；
Step 4, in factory process stem steel reinforcement cage, then stem steel reinforcement cage is put into the pre-determined bit of prefabricated tubing string in work
Put and fix；Or after prefabricated tubing string is transported into scene, stem steel reinforcement cage is made at the scene, is then put into stem steel reinforcement cage pre-
The precalculated position of tubulation post and fixation；
Step 5, prefabricated tubing string is lifted to precalculated position；
Step 6, the tubing string of two neighbouring post sections is indulged into muscle 1.1 and stem is indulged muscle 2.2 and corresponded to respectively and consolidated
Fixed connection；
Step 7, supplement template 6 is installed on the outside of the connecting node area of adjacent pillars section in step 7；
Step 8, it is shown in Figure 16, if the intensity of tubing string concrete and the strength difference of core column concrete are smaller, and
There is stronger sidewise restraint, with prefabricated tubing string 1 and supplement template 6 for external mold formed by integrally casting core column concrete 2.1 and connecting node
Node area inserts 7 between area, conserve to design strength and form reinforced concrete sandwich formula core pipe post；
Step 9, remove supplement template.
With tubing string steel reinforcement cage one colligation shear key reinforcing bar 3.2 in the step 2, then mixed in step 3 with tubing string
Solidifying soil 1.3 together pours shear key concrete 3.1 and forms shear key, or in step 2 in feather plucking tubing string concrete 1.3
Wall forms shear key.The stem steel reinforcement cage can link together with pre-production and with tubing string steel reinforcement cage in step 2, so
Whole Transporting to job site, saves step 5 and step 6 in step 4 afterwards.
Claims (17)
1. a kind of reinforced concrete sandwich formula tubing string, including two sections of post sections being at least vertically connected with, post section are connected with other components
End be connecting node area, it is characterised in that：Every section of post section includes outside prefabricated tubing string（1）With with prefabricated tubing string（1）For
External mold, the cast-in-place stem being poured in inside prefabricated tubing string（2）,
The prefabricated tubing string（1）For reinforced column, including tubing string steel reinforcement cage and tubing string concrete（1.3）, the tubing string steel
Muscle cage includes tubing string and indulges muscle（1.1）With tubing string stirrup（1.2）, the tubing string indulges muscle（1.1）Tubing string is stretched out in connecting node area to mix
Solidifying soil（1.3）, the tubing string stirrup（1.2）Include the combination of more than one round stirrup, spiral bar or both,
The cast-in-place stem（2）Including core column concrete（2.1）Be centrally positioned in core column concrete（2.1）Interior local strengthening
Steel reinforcement cage（2.4）, the local strengthening steel reinforcement cage（2.4）Core column concrete is stretched out in connecting node area（2.1）,
Connecting node area split between two sections of post sections, the tubing string for stretching out connecting node area indulge muscle（1.1）With local stiffener
Cage（2.4）It is connected respectively and is integrated, node area inserts is perfused with the space between connecting node area（7）, the section
Point area's inserts（7）For the combination of concrete, grouting material or both.
2. reinforced concrete sandwich formula tubing string according to claim 1, it is characterised in that：The tubing string concrete（1.3）
Intensity be not less than core column concrete intensity（2.1）.
3. reinforced concrete sandwich formula tubing string according to claim 1, it is characterised in that：The local strengthening steel reinforcement cage
（2.4）Stirrup include the combination of more than one round stirrup, spiral bar or both.
4. reinforced concrete sandwich formula tubing string according to claim 1, it is characterised in that：Outside the tubing string of the prefabricated tubing string
Wall（1a）Shape of cross section is circular or polygon, the pipe string internal wall of the prefabricated tubing string（1b）Shape of cross section is circular or more
Side shape, pipe string internal wall（1b）It is provided with and protrudes its surface, the shear key of spaced armored concrete（3）, the shear key
For projection or fin, including with tubing string concrete（1.3）Together prefabricated shear key concrete（3.1）Or feather plucking tubing string mixes
Solidifying soil（1.3）Inwall formed.
5. reinforced concrete sandwich formula tubing string according to claim 4, it is characterised in that：The shear key also includes and pipe
The shear key reinforcing bar that post steel reinforcement cage colligation is integrated（3.2）, the shear key reinforcing bar（3.2）It is wrapped in shear key concrete
（3.1）It is interior.
6. reinforced concrete sandwich formula tubing string according to claim 1, it is characterised in that：The connecting node area also colligation
There is the node beam steel cage of preprocessing（4）, the node beam steel cage is including being horizontally through local strengthening steel reinforcement cage（2.4）Section
Point beam longitudinal reinforcement（4.1）With colligation in node beam longitudinal reinforcement（4.1）Both ends node beam stirrup（4.2）.
7. the reinforced concrete sandwich formula tubing string according to claim 1-6 any one, it is characterised in that：The tubing string is indulged
Muscle edge（1.1）Along tubing string outer wall（1a）Arrange within one week, the tubing string stirrup includes outer wall stirrup（1.2a）With inwall stirrup
（1.2b）, the outer wall stirrup（1.2a）Along tubing string outer wall（1a）Arrange within one week, the inwall stirrup（1.2b）Along pipe string internal wall
（1b）One week, avoid cast-in-place stem（2）Region arrangement, the inwall stirrup（1.2b）Muscle is indulged with tubing string（1.1）Colligation is one
Body.
8. reinforced concrete sandwich formula tubing string according to claim 1, it is characterised in that：On the shaft of the prefabricated tubing string
It is embedded with by orthogonal anchor leg（5.2）And anchor slab（5.1）The built-in fitting being formed by connecting（5）, the anchor leg is embedded in tubing string
In concrete.
9. reinforced concrete sandwich formula tubing string according to claim 1, it is characterised in that：The tubing string indulges muscle（1.1）It
Between be connected as reinforcing bar sleeve grouting connection, welding or overlap joint, the local strengthening steel reinforcement cage（2.4）Between be connected as reinforcing bar
Sleeve grouting connection, welding or overlap joint.
10. a kind of reinforced concrete sandwich formula core pipe post, including two sections of post sections being at least vertically connected with, post section connects with other components
The end connect is connecting node area, it is characterised in that：Every section of post section includes outside prefabricated tubing string（1）With with prefabricated tubing string（1）
For external mold, the cast-in-place stem being poured in inside prefabricated tubing string（2）,
The prefabricated tubing string（1）For reinforced column, including tubing string steel reinforcement cage and tubing string concrete（1.3）, the tubing string steel
Muscle cage includes tubing string and indulges muscle（1.1）With tubing string stirrup（1.2）, the tubing string indulges muscle（1.1）Tubing string is stretched out in connecting node area to mix
Solidifying soil（1.3）, the tubing string stirrup（1.2）Include the combination of more than one round stirrup, spiral bar or both,
The cast-in-place stem（2）Including core column concrete（2.1）Elongated set and stretched in connecting node area with along shaft is placed in the middle
Go out core column concrete（2.1）Stem steel reinforcement cage, the stem steel reinforcement cage include stem indulge muscle（2.2）With stem stirrup（2.3）,
Connecting node area split between two sections of post sections, the tubing string for stretching out connecting node area indulge muscle（1.1）With stem steel reinforcement cage point
It Dui Ying not connect as one, node area inserts is perfused with the space between connecting node area（7）, node area inserts
（7）For the combination of concrete, grouting material or both.
11. reinforced concrete sandwich formula core pipe post according to claim 10, it is characterised in that：The tubing string concrete
（1.3）Be not less than core column concrete（2.1）Intensity.
12. reinforced concrete sandwich formula core pipe post according to claim 10, it is characterised in that：The stem stirrup（2.3）
Include the combination of more than one round stirrup, spiral bar or both.
13. reinforced concrete sandwich formula core pipe post according to claim 10, it is characterised in that：The pipe of the prefabricated tubing string
Column outer wall（1a）Shape of cross section is circular or polygon, the pipe string internal wall of the prefabricated tubing string（1b）Shape of cross section is circle
Or polygon, pipe string internal wall（1b）It is provided with and protrudes its surface, the shear key of spaced armored concrete, the shear key
For projection or fin, including the shear key reinforcing bar being integrated with tubing string steel reinforcement cage colligation（3.2）With with tubing string concrete（1.3）
Together prefabricated shear key concrete（3.1）.
14. reinforced concrete sandwich formula core pipe post according to claim 10, it is characterised in that：The connecting node area is also
It is banded with the node beam steel cage of preprocessing（4）, node beam of the node beam steel cage including being horizontally through stem steel reinforcement cage
Longitudinal reinforcement（4.1）With colligation in node beam longitudinal reinforcement（4.1）Both ends node beam stirrup（4.2）.
15. the reinforced concrete sandwich formula core pipe post according to claim 10-14 any one, it is characterised in that：It is described
Tubing string indulges muscle（1.1）Along tubing string outer wall（1a）Arrange within one week, the tubing string stirrup includes outer wall stirrup（1.2a）With inwall stirrup
（1.2b）, the outer wall stirrup（1.2a）Along tubing string outer wall（1a）Arrange within one week, the inwall stirrup（1.2b）Along pipe string internal wall
（1b）One week, avoid cast-in-place stem（2）Region arrangement, the inwall stirrup（1.2b）Muscle is indulged with tubing string（1.1）Colligation is one
Body.
16. reinforced concrete sandwich formula core pipe post according to claim 10, it is characterised in that：The post of the prefabricated tubing string
It is embedded with it by orthogonal anchor leg（5.2）And anchor slab（5.1）The built-in fitting being formed by connecting（5）, the anchor leg is embedded in
In tubing string concrete.
17. reinforced concrete sandwich formula core pipe post according to claim 10, it is characterised in that：The tubing string indulges muscle
（1.1）Between be connected as sleeve grouting connection, welding or the overlap joint of reinforcing bar, the set of reinforcing bar is connected as between the stem steel reinforcement cage
Cylinder grouting connection, welding or overlap joint.
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| CN201720498619.9U CN207032666U (en) | 2017-05-08 | 2017-05-08 | A kind of reinforced concrete sandwich formula tubing string and superposed type core pipe post |
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| CN201720498619.9U CN207032666U (en) | 2017-05-08 | 2017-05-08 | A kind of reinforced concrete sandwich formula tubing string and superposed type core pipe post |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797322A (en) * | 2018-08-15 | 2018-11-13 | 西安科技大学 | A kind of Anti-seismic beam bridge bridge pier |
| CN108894100A (en) * | 2018-08-15 | 2018-11-27 | 西安科技大学 | A kind of the antidetonation bridge pier and its construction method of rigid frame bridge |
| CN108978448A (en) * | 2018-08-15 | 2018-12-11 | 西安科技大学 | A kind of construction method of Anti-seismic beam bridge bridge pier |
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2017
- 2017-05-08 CN CN201720498619.9U patent/CN207032666U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797322A (en) * | 2018-08-15 | 2018-11-13 | 西安科技大学 | A kind of Anti-seismic beam bridge bridge pier |
| CN108894100A (en) * | 2018-08-15 | 2018-11-27 | 西安科技大学 | A kind of the antidetonation bridge pier and its construction method of rigid frame bridge |
| CN108978448A (en) * | 2018-08-15 | 2018-12-11 | 西安科技大学 | A kind of construction method of Anti-seismic beam bridge bridge pier |
| CN108797322B (en) * | 2018-08-15 | 2020-01-21 | 西安科技大学 | Anti-seismic beam bridge pier |
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