阅读说明：本技术 节段梁及其节段梁连接结构和浇筑方法 (Beam sections and its beam sections connection structure and casting method ) 是由 马栋 朱卫东 杨晋文 刘春辉 康磊 吕志军 刘彬 李曙光 张明 张志坤 王维翔 于 2019-09-24 设计创作，主要内容包括：本发明涉及节段梁施工技术,提供了一种节段梁及其节段梁连接结构和浇筑方法。该节段梁包括梁片本体和空心管,梁片本体的第一端和第二端分别设有延伸段和插接孔。浇筑时,将延伸段插入到另一个梁片本体的插接孔上,避免混凝土进入到空心管的内部。该连接结构包括分别穿设在待浇筑节段梁和已浇筑节段梁上的第一空心管和第二空心管。浇筑时,通过第一空心管和第二空心管的插接实现密封,便于操作。该节段梁的浇筑方法为在梁片本体上穿设空心管,空心管的第一端伸出底腹板钢筋；浇筑时,以已浇筑节段梁的第二端作为待浇筑节段梁的第一端的模板,两个梁片本体通过延伸段形成插接,增加配合精度,且有效避免浇筑过程中,混凝土进入到空心管的内部。(The present invention relates to construction technology of segment girder, a kind of beam sections and its beam sections connection structure and casting method are provided.The beam sections include beam piece ontology and hollow pipe, and the first end and second end of beam piece ontology is respectively equipped with extended segment and spliced eye.When pouring, extended segment is inserted on the spliced eye of another beam piece ontology, concrete is avoided to enter the inside of hollow pipe.The connection structure includes being threaded through beam sections to be poured respectively and having poured the first hollow pipe and the second hollow pipe in beam sections.When pouring, sealing is realized by the grafting of the first hollow pipe and the second hollow pipe, convenient for operation.The casting method of the beam sections is that hollow pipe is worn on beam piece ontology, and the first end of hollow pipe stretches out bottom web reinforcement；When pouring, to have poured the second ends of beam sections as the template of the first end of beam sections to be poured, two beam piece ontologies form grafting by extended segment, increase cooperation precision, and effectively avoid in casting process, concrete enters the inside of hollow pipe.)

1. a kind of beam sections, which is characterized in that including beam piece ontology and the hollow pipe being threaded through on the beam piece ontology, the sky The first end of heart pipe is communicated with the extended segment for extending a side end face of the beam piece ontology, the second end connection of the hollow pipe There is the spliced eye being embedded on another side end face of the beam piece ontology, the extended segment is used for and another institute adjacent thereto The spliced eye stated on beam piece ontology is mutually inserted.

2. beam sections according to claim 1, which is characterized in that the hollow pipe is stepped, and the hollow pipe is larger The part in aperture constitutes the spliced eye.

3. beam sections according to claim 2, which is characterized in that the aperture of the outer diameter of the extended segment and the spliced eye Match.

4. beam sections according to claim 1, which is characterized in that the extended segment be elastic material, the extended segment with The diameter of the spliced eye is identical.

5. beam sections according to claim 1, which is characterized in that the extended segment and the hollow pipe are integrally formed.

6. beam sections according to claim 1, which is characterized in that the extended segment is detachably connected with the hollow pipe.

7. beam sections according to any one of claims 1 to 6, which is characterized in that the hollow pipe is bellows.

8. a kind of beam sections to be poured and having poured the connection structure between beam sections, which is characterized in that the segment to be poured The first hollow pipe is equipped in beam, described poured is equipped with the second hollow pipe, pours in beam sections to be poured in beam sections In the process, first hollow pipe is mutually inserted with second hollow pipe.

9. a kind of casting method of beam sections, which comprises the following steps:

More hollow pipes are worn in the web reinforcement of bottom, the first end of hollow pipe stretches out bottom web reinforcement and forms extended segment；

To have poured the second ends of beam sections as the template of the first end of beam sections to be poured, and beam sections to be poured and pour It builds and grafting, casting concrete is formed by the extended segment between beam sections；

After concrete formation, the extended segment between two beam piece ontologies is cut.

10. the casting method of beam sections according to claim 9, which is characterized in that the second end of the hollow pipe is equipped with The mating spliced eye with the extended segment.

Technical field

The present invention relates to construction technology of segment girder fields, and in particular to a kind of beam sections and its beam sections connection structure and pours Building method.

Background technique

It is convex in overhead road of city construction using section assembling technique compared with traditional full thorax support cast-in-place box girder construction method Aobvious " environmental protection, traffic, speed " three advantages: it is noiseless when construction, without dust, greatly reduce the shadow to nearby residents, environment It rings；Without scene set up bracket, without job-poured concrete, in construction can open to traffic, significantly reduce because constructing to friendship The pressure of logical generation；Using module construction, site operation speed is greatly accelerated.The construction method improves overhead road of city engineering The scientific and technological content and technical level of construction, project cost can be greatly lowered in large-scale use, therefore this form of construction work is also got over Come more welcomed by the people.

Wherein, beam sections are a part of building structure.Beam sections include top plate and bottom plate and side plate, and beam sections are surrounded The upside-down trapezoid shape of inner hollow.Beam sections bundle bottom web reinforcement and top rebars when pouring first, and in bottom web steel Preformed hole of the hollow pipe as beam sections is worn in muscle.Exterior sheathing is lifted, the bottom web reinforcement bundled is lifted into exterior sheathing On, traversing inner template makes it be slid onto the top of bottom web reinforcement, then installs top rebars, casting concrete, completes beam sections Construction.Beam sections are in splicing, and in order to increase the accuracy of positioning, template molding is respectively set in the two sides of beam sections The boss and groove being mutually matched, in splicing, the boss of one of beam sections is inserted into another section adjacent thereto In the groove of Duan Liang, and steel beam is worn in preformed hole, complete the positioning of beam sections.

By the molding boss of template and groove, it is easy to appear error in position and in shape, degree of cooperation is poor.Hold Easily causing cannot between the phenomenon or two beam sections that the boss between two neighboring beam sections and groove cannot be fully mated Cooperation, need to pour beam sections again, influence construction speed, cost of idleness.

One of settling mode in response to the above problems are as follows: by molded beam sections as beam sections to be poured The template of side enables boss between two neighboring beam sections and groove fully mated.But when pouring, concrete Hollow pipe is pushed in flow process, the position of hollow pipe changes so that the end of hollow pipe and poured beam sections it Between there are certain gap, concrete is easily accessible the inside of hollow pipe in casting process, causes hollow blockage, can not The phenomenon that wearing tube bank need to also pound logical hollow pipe by tool, reduce construction efficiency, increase difficulty of construction.

Summary of the invention

In order to solve the above-mentioned technical problem or it at least is partially solved above-mentioned technical problem, the present invention provides a kind of sections Duan Liang and its beam sections connection structure and casting method.

Above-mentioned beam sections include beam piece ontology and the hollow pipe that is threaded through on the beam piece ontology, and the first of the hollow pipe End is communicated with the extended segment for the side end face for extending the beam piece ontology, and the second end of the hollow pipe, which is communicated with, to be embedded in institute The spliced eye on another side end face of beam piece ontology is stated, the extended segment is used for and another described beam piece ontology adjacent thereto On the spliced eye be mutually inserted.

Optionally, the hollow pipe is stepped, and the part of the hollow pipe larger aperture constitutes the spliced eye.

Optionally, the outer diameter of the extended segment and the aperture of the spliced eye match.

Optionally, the extended segment is elastic material, and the extended segment is identical as the diameter of the spliced eye.

Optionally, the extended segment and the hollow pipe are integrally formed.

Optionally, the extended segment is detachably connected with the hollow pipe.

Optionally, the hollow pipe is bellows.

The above-mentioned connection structure for beam sections is equipped with the first hollow pipe wait pour described in beam sections, it is described Pour and be equipped with the second hollow pipe in beam sections, during beam sections to be poured pour, first hollow pipe with it is described Second hollow pipe is mutually inserted.

The casting methods of above-mentioned beam sections the following steps are included:

More hollow pipes are worn in the web reinforcement of bottom, the first end of hollow pipe stretches out bottom web reinforcement and forms extended segment；

To have poured the second ends of beam sections as the template of the first end of beam sections to be poured, and beam sections to be poured and It has poured and grafting, casting concrete is formed by the extended segment between beam sections；

After concrete formation, the extended segment between two beam piece ontologies is cut.

Optionally, the second end of the hollow pipe is equipped with the spliced eye mating with the extended segment.

Above-mentioned technical proposal provided by the embodiments of the present application has the advantages that compared with prior art

Extended segment is arranged in the first end of beam piece ontology in the application, and spliced eye is arranged in the second end of beam piece ontology, when pouring, Extended segment is inserted on the spliced eye of another beam piece ontology, the port of hollow pipe is blocked by spliced eye, avoids pouring In the process, concrete enters the inside of hollow pipe, and after pouring molding, cuts off the extended segment of connection, will not influence beam piece Splicing between ontology.

The connection structure includes being threaded through beam sections to be poured respectively and having poured the first hollow pipe in beam sections and Two hollow pipes.When pouring, sealing is realized by the grafting of the first hollow pipe and the second hollow pipe, structure is simple, convenient for operation, keeps away Exempt from concrete to enter in the first hollow pipe or the second hollow pipe.

The casting method of the beam sections is that hollow pipe is worn in the web reinforcement of bottom, and the first end of hollow pipe stretches out bottom web Reinforcing bar；When pouring, to have poured the second ends of beam sections as the template of the first end of beam sections to be poured, two beam piece ontologies Between by extended segment formed grafting, increase the cooperation precision between two neighboring beam piece ontology, and effectively avoid casting process In, concrete enters the inside of hollow pipe.

Detailed description of the invention

Fig. 1 is the schematic diagram of an embodiment of the present invention central sill piece ontology；

Fig. 2 is the rearview of an embodiment of the present invention central sill piece ontology；

Fig. 3 is the schematic diagram after the completion of beam sections pour in an embodiment of the present invention.

Appended drawing reference:

1, beam piece ontology；2, extended segment；3, spliced eye.

Specific embodiment

To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawings and examples The present invention is described in further detail.It is understood that described embodiment is a part of the embodiments of the present invention, Instead of all the embodiments.Specific embodiment described herein is used only for explaining the present invention, rather than to limit of the invention It is fixed.Based on described the embodiment of the present invention, those of ordinary skill in the art's every other embodiment obtained is belonged to The scope of protection of the invention.

Referring to figs. 1 and 2, beam sections provided by the embodiments of the present application include beam piece ontology 1 and are threaded through beam piece sheet Hollow pipe on body 1, the first end of hollow pipe are communicated with the extended segment 2 for extending a side end face of beam piece ontology, hollow pipe Second end is communicated with the spliced eye 3 being embedded on another side end face of beam piece ontology 1, and extended segment 2 is used for and adjacent thereto another Spliced eye 3 on one beam piece ontology 1 is mutually inserted.

As shown in figure 3, extended segment 2, the second end setting of beam piece ontology 1 is arranged in the first end of beam piece ontology 1 in the application Spliced eye 3 when pouring, the extended segment 2 of beam piece ontology 1 is inserted on the spliced eye 3 of another beam piece ontology 1, passes through grafting Hole 3 blocks the port of hollow pipe, avoids in casting process, and concrete enters the inside of hollow pipe, and after pouring molding, The extended segment 2 for cutting off connection, will not influence the splicing between beam piece ontology 1.

In some embodiments, hollow pipe is stepped, and the part of hollow pipe larger aperture constitutes spliced eye 3.Extended segment 2 The aperture of outer diameter and spliced eye 3 match.Matching at this refers to that the outer diameter of extended segment 2 is identical as the internal diameter of spliced eye 3, makes Obtaining extended segment 2 can be successfully inserted in spliced eye 3, and the periphery of extended segment 2 is bonded with the inner wall of spliced eye 3, avoids mixing Solidifying soil enters hollow pipe by the gap between extended segment 2 and spliced eye 3 in casting process.Preferably, spliced eye 3 is by sky The second end pouring molding of heart pipe, convenient for the processing of spliced eye 3.The set that spliced eye 3 can also be connected to by the second end with hollow pipe Pipe pouring molding.

In further embodiments, extended segment 2 is elastic material, and extended segment 2 is identical as the diameter of spliced eye 3, that is, extends Section 2 and spliced eye 3 are formed by one end of hollow pipe and second end respectively.The end of extended segment 2 is contacted with spliced eye 3, and is extended The end of section 2 is shunk under the action of elastic force, is inserted into spliced eye 3, after insertion, extended segment 2 is under the action of own resilient It resets, is fitted on the inner wall of spliced eye 3, avoids concrete in casting process, by between extended segment 2 and spliced eye 3 Gap enters hollow pipe.Similarly, the spliced eye 3 at this can be by the second end pouring molding of hollow pipe, convenient for adding for spliced eye 3 Work.The casing pouring molding that spliced eye 3 can also be connected to by the second end with hollow pipe.

The extended segment 2 of the application and hollow pipe are integrally formed, i.e., the first end of hollow pipe stretches out beam piece ontology 1, and formation is prolonged Section 2 is stretched, convenient for the processing of extended segment 2, reduces secondary process, and effectively increases the intensity that hollow pipe is connect with extended segment 2.This kind Design method need to cut the extended segment 2 of the junction of two beam piece ontologies 1 after adjacent two beam piece ontologies 1 molding, Obtain two individual beam piece ontologies 1.In further embodiments, extended segment 2 is detachably connected with hollow pipe.Specifically, prolong The one end for stretching section 2 is inserted in the first end of hollow pipe, and the other end of extended segment 2 is for being inserted into spliced eye 3, this kind of design side Formula is relatively complicated, but beam piece ontology 1 can be extracted extended segment 2 by pulling beam piece ontology 1, after the completion of pouring without lodging External tool is cut.

The hollow pipe of the application is preferably bellows, and the resistance to pressure and stability of bellows are strong, avoids the occurrence of concrete and exists The phenomenon that being deformed in casting process.

The first end of above-mentioned beam piece ontology 1 refers to the one end connecting with the extended segment 2 of hollow pipe, the of beam piece ontology 1 Two ends refer to the one end connecting with the spliced eye 3 of hollow pipe, and the first end and second end of hollow pipe respectively refers to and beam piece ontology 1 One end of first end and second end connection.

Connection structure provided by the present application refers to beam sections to be poured and has poured the connection structure between beam sections, to be poured It builds and is equipped with the first hollow pipe in beam sections, poured and be equipped with the second hollow pipe in beam sections, poured in beam sections to be poured During, the first hollow pipe is mutually inserted with the second hollow pipe.

In use, beam sections to be poured with poured the first hollow pipe between beam sections and the second hollow pipe docks, pour After building up type, the first hollow pipe of junction or the second hollow pipe are cut off.Specifically, if the first hollow pipe stretches out setting, First hollow pipe is inserted into the second hollow pipe, and the extension end of the first hollow pipe is cut off, it is hollow to stay in second by cut portion In pipe；If the second hollow pipe stretches out setting, the second hollow pipe is inserted into the first hollow pipe, by the extension end of the second hollow pipe Cutting, is stayed in the first hollow pipe by cut portion.Sealing, structure are realized by the grafting of the first hollow pipe and the second hollow pipe Simply, convenient for operation, concrete is avoided to enter in the first hollow pipe or the second hollow pipe.

The casting methods of the also disclosed beam sections of the application the following steps are included:

As shown in Figure 1, wearing more hollow pipes in the web reinforcement of bottom, the first end of hollow pipe is stretched out bottom web reinforcement and is formed Extended segment 2；

Specifically, it firstly, building exterior sheathing, bottom web reinforcement, roof steel bar and inner template, is worn in the web reinforcement of bottom more Root hollow pipe, so that the first end of hollow pipe stretches out bottom web reinforcement and forms extended segment 2.Bottom web reinforcement is lifted on exterior sheathing On, traversing inserting inner template finally lifts roof steel bar, and casting concrete forms first beam sections.

As shown in figure 3, using the second end that has poured beam sections as the template of the first end of beam sections to be poured, and it is to be poured It builds beam sections and has poured and grafting, casting concrete are formed by extended segment 2 between beam sections；

Specifically, using the second end of first beam sections in above-mentioned steps as the of second beam sections to be poured The template of one end, and grafting is formed by extended segment 2 between first beam sections and second beam sections, build other external molds Bottom web reinforcement is lifted on exterior sheathing by plate, traversing inserting inner template, finally lifts roof steel bar, casting concrete molding The beam piece ontology 1.

Wherein, extended segment 2 may be provided in first beam sections, i.e., is inserted into the extended segment 2 in first beam sections In second beam sections, the hollow pipe of second beam sections is blocked, concrete is avoided to enter, at this point, in second beam sections Extended segment 2 pass through exterior sheathing so that concrete cannot be introduced into the inside of hollow pipe.Extended segment 2 can also be arranged second In a template, the extended segment 2 in second beam sections is inserted into first beam sections, at this point, the other end of hollow pipe is logical The lug boss crossed on exterior sheathing is blocked, and concrete is avoided to enter in hollow pipe.

First beam sections and second beam sections of foregoing description are not in order to make it easy to understand, limit to first beam sections With pouring for second beam sections, when pouring remaining beam piece ontology 1, as template poured beam sections be equivalent to it is above-mentioned First beam sections, beam sections to be poured then are equivalent to the second above-mentioned beam piece ontology 1.

After concrete formation, the extended segment 2 between two beam piece ontologies 1 is cut, obtains two molding beam piece ontologies 1。

Pouring for other beam piece ontologies 1 is completed according to above-mentioned steps.

In some embodiments, as shown in Fig. 2, the second end of hollow pipe is equipped with the spliced eye mating with extended segment 2 3, extended segment 2 is inserted into the spliced eye 3 of another beam piece ontology 1 adjacent thereto, specific inserting mode and setting Method is identical as the embodiment of beam sections.

This kind, which pours mode, can increase cooperation precision between two neighboring beam piece ontology 1, effectively avoid in casting process, Concrete enters the inside of hollow pipe.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features； And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.