CN111255239A - Mass radiation-proof concrete homogeneous pouring method - Google Patents
Mass radiation-proof concrete homogeneous pouring method Download PDFInfo
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- CN111255239A CN111255239A CN201811454791.XA CN201811454791A CN111255239A CN 111255239 A CN111255239 A CN 111255239A CN 201811454791 A CN201811454791 A CN 201811454791A CN 111255239 A CN111255239 A CN 111255239A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
Abstract
The invention discloses a large-volume radiation-proof concrete homogeneous pouring method, which comprises the following steps of S01 uniformly arranging a plurality of feed openings on a reinforcing steel bar net for pouring concrete; s02, inserting the concrete pumping pipe into the feed opening, and feeding concrete raw materials; s03, adopting layered pouring in the process of putting the concrete raw material in the step S02, and adopting a vibrating rod to vibrate the concrete raw material injected into the feed opening in a layered mode during the layered pouring; s04, after the concrete is subjected to layered vibration in the step S03, after the concrete is initially set, the concrete is vibrated again by a vibrating rod to form a concrete structure; s05 the concrete structure formed through the step S04 is processed by clapper compacting, long-length screeding, roller compaction and wood wedge sanding. The concrete structure cast by the invention can finally realize the high performance of the dry density parameter more than or equal to 2350kg/m3, the internal structure is compact, and the concrete structure has good proton ray radiation resistance.
Description
Technical Field
The invention relates to the field of buildings, in particular to a homogeneous pouring method for large-volume radiation-proof concrete.
Background
The proton accelerator accelerates the proton to 70% of the light speed by using the principle that the charged particles are accelerated by the action of an electric field and change the motion direction by the action of a magnetic field to form a proton beam, and provides energy required by the proton radiation to penetrate through human tissues. Because the proton has the physical characteristic of a Bragg peak, accurate three-dimensional radiotherapy can be carried out on a human tumor region, the charged particles cause DNA single-strand breakage, the DNA of tumor cells is damaged, finally, the death of cancer cells or the interference of the reproductive capacity of the cancer cells is caused, and the damage to the healthy cells of the human body is small. So medically proton ion therapy programs have been in rapid construction applications.
The proton energy range used by proton radiotherapy is 50-250eMEV, so that the problem of very large radiation is generated, the existing concrete pouring utilizes the fluidity of concrete to pour, the requirement on the uniformity of the pouring is not high, and the construction of the proton radiotherapy project with large radiation requires very high requirements on the uniform distribution of high-volume-weight concrete so as to achieve the effect of shielding proton radiation of a poured concrete structure. How to provide a concrete homogeneous structure body with radiation protection performance is a problem which is urgently needed to be solved by the current proton radiotherapy project.
Disclosure of Invention
In order to solve the technical problems, the invention provides a homogeneous pouring method for large-volume radiation-proof concrete.
The technical scheme adopted by the invention for solving the problems is as follows: the method for uniformly pouring the large-volume radiation-proof concrete comprises the following steps:
s01: uniformly arranging a plurality of feed openings on a concrete poured reinforcing bar net;
s02: inserting a concrete pumping pipe into the feed opening, and feeding concrete raw materials;
s03: in the process of putting the concrete raw materials in the step S02, adopting layered pouring, and in the layered pouring, adopting a vibrating rod to carry out layered vibrating on the concrete raw materials injected into the feed opening;
s04: after the concrete raw material subjected to layered vibration in the step S03 is initially set, vibrating the concrete raw material again by using a vibrating rod to form a concrete structure;
s05: and (5) compacting the concrete structure body formed in the step S04 by adopting a clapper, and sequentially carrying out long-ruler strickling, roller compaction and wood wedge polishing on the concrete structure body compacted by the clapper.
Preferably, the feed opening in step S01 is a square opening. Of course, the feed opening can be circular or other shapes according to actual requirements.
Preferably, the feed openings are square openings with the side length of 50cm, and the distance between every two adjacent feed openings is not less than 4 m.
Preferably, the vibrating rod in step S03 includes a front vibrating rod, a middle vibrating rod and a rear vibrating rod;
the front vibrating rod is arranged near the lowest point of the slope formed by natural flowing of concrete raw materials;
the rear vibrating rod is arranged near the highest point of the slope formed by natural flowing of the concrete raw material;
the middle vibrating rod is arranged between the front vibrating rod and the rear vibrating rod.
Preferably, the front vibrating rod, the middle vibrating rod and the rear vibrating rod enter the concrete raw material each time for vibrating for 20-30 seconds, and move and vibrate along the direction from the highest point to the lowest point of the gradient formed by the natural flowing of the concrete raw material.
The front vibrating rod, the middle vibrating rod and the rear vibrating rod synchronously vibrate each time.
Preferably, the layered casting and the layered vibration in step S03 are performed in the following manner:
s031: after the pouring thickness of one feed opening reaches a specified value, the pumping pipe is moved to the next feed opening adjacent to the poured feed opening for pouring, and the steps are repeated in sequence to complete the pouring of the whole concrete first layer;
s032: when the concrete primary layer is poured, vibrating the concrete which is injected into each feed opening from the primary layer by adopting a vibrating rod;
s033: and (4) continuously repeating the concrete raw material pouring mode in the step (S031) and the vibrating mode in the step (S032) to pour and vibrate the concrete poured on the first layer formed by vibrating in the step (S032) until the thickness requirement of the whole concrete pouring layer is met.
Preferably, when the concrete raw materials of the next layer are vibrated in the pouring process of the concrete raw materials in step S033, the vibrating rod needs to be extended into the concrete raw materials of the previous layer which have been poured by a certain depth, so as to ensure that a gap formed after the two adjacent layers of concrete raw materials are poured is eliminated.
Preferably, the thickness of each layer of poured concrete is 30cm-50 cm.
Preferably, the thickness of each layer of poured concrete is 40 cm.
Preferably, the dry density parameter of the whole poured concrete layer is more than or equal to 2350kg/m3。
The invention has the following beneficial effects: by adopting the large-volume radiation-proof concrete homogeneous pouring method, the concrete raw materials are poured through the feed openings uniformly formed in the reinforcing steel bar net, so that integral division is realized, pouring is accurately refined, and the problem of rough wiping pouring caused by one-time large-area pouring forming is avoided; layered pouring is adopted when each feed opening is poured, and three vibrating rods are adopted to simultaneously vibrate the poured concrete raw material, so that the conditions of air bubbles formed by natural flowing of concrete, uneven pouring inside and incompact structure are avoided; and when the next layer is vibrated, the vibrating rod is extended into the poured concrete raw material of the previous layer for a certain depth to ensure that the adjacent two layers of concrete are eliminatedGaps are formed after the concrete raw materials are poured. And finally, carrying out clapper compacting, long-scale strickling, roller rolling and wood wedge polishing on the initially set concrete structure. The concrete structure body realized by the pouring method can finally realize that the dry density parameter is more than or equal to 2350kg/m3High performance, compact internal structure and good proton ray radiation resistance.
Drawings
Fig. 1 is a schematic structural diagram of uniformly forming a plurality of feed openings on a reinforcing mesh in step S01 in the method for uniformly casting mass radiation-proof concrete of the present invention;
FIG. 2 is a schematic diagram of a pouring structure of a concrete primary layer in step S031 in the method for uniformly pouring mass radiation-proof concrete according to the present invention;
fig. 3 is a schematic diagram of a pouring structure of a concrete lower layer in step S033 in the method for uniformly pouring mass radiation-proof concrete according to the present invention;
fig. 4 is a schematic structural diagram of the mass radiation-proof concrete homogeneous pouring method of the invention, wherein the vibrating is performed by using the vibrating rod in step S03.
Detailed Description
The invention is further described below with reference to the specific drawings.
In order to clearly describe each step of the mass radiation-proof concrete homogeneous casting method of the present invention, as shown in fig. 1 to 4, a working site is firstly provided with a template 1, a pumping pipe 4 and a vibrating rod 6, a reinforcing mesh 2 is laid on the template 1, and casting is performed according to the mass radiation-proof concrete homogeneous casting method of the present invention, which specifically comprises the following steps:
s01: uniformly arranging a plurality of feed openings 3 on a concrete poured reinforcing mesh 2, wherein the feed openings 3 are square openings with the side length of 50cm, and the distance between every two adjacent feed openings 3 is not less than 4m (see figure 1);
s02: inserting a concrete pumping pipe 4 into the feed opening 3, and feeding concrete raw materials 5 (see fig. 2);
s03: in the process of putting the concrete raw materials in the step S02, adopting layered pouring, and in the layered pouring, adopting the vibrating rod 6 to carry out layered vibrating on the concrete raw materials injected into the feed opening 3;
wherein: the vibrating rods comprise a front vibrating rod 61, a middle vibrating rod 62 and a rear vibrating rod 63 (see fig. 4);
wherein: the front vibrating rod 61 is arranged near the lowest point of the slope formed by natural flowing of concrete raw materials;
wherein: the rear vibrating rod 63 is arranged near the highest point of the slope formed by natural flowing of the concrete raw material;
wherein: the middle vibrating rod 62 is arranged between the front vibrating rod and the rear vibrating rod.
Wherein: the front vibrating rod 61, the middle vibrating rod 62 and the rear vibrating rod 63 synchronously vibrate each time, the vibrating time of the front vibrating rod 61, the middle vibrating rod 62 and the rear vibrating rod 63 entering concrete raw materials each time is 20-30 seconds, and the front vibrating rod, the middle vibrating rod 62 and the rear vibrating rod move and vibrate along the direction from the highest point to the lowest point of the gradient formed by natural flowing of the concrete raw materials.
Wherein: the layered pouring and the layered vibration adopt the following modes:
s031: after the pouring thickness of one feed opening reaches 40cm, moving the pumping pipe 4 to the next feed opening 3 adjacent to the poured feed opening 3 for pouring, and circularly reciprocating in sequence to finish the pouring of the whole concrete first layer (see fig. 2);
s032: when the concrete first layer is poured, the concrete which is injected into each feed opening 3 on the first layer is vibrated by adopting a vibrating rod;
s033: and (3) continuously repeating the concrete raw material pouring mode in the step (S031) and the vibrating mode in the step (S032) to pour and vibrate the next layer of concrete raw material in the first layer of poured concrete, and when vibrating the next layer of concrete raw material in the next layer of concrete raw material pouring process, extending the vibrating rod 6 into the previous layer of poured concrete raw material by a depth of 5cm to ensure that a gap formed after two adjacent layers of concrete raw materials are poured is eliminated until the thickness requirement of the whole concrete pouring layer is met (see fig. 3).
S04: after the concrete subjected to the layered vibration in the step S03 is initially set, vibrating the concrete again by using the vibrating rod 6 to form a concrete structure;
s05: and (5) compacting the concrete structure body formed in the step S04 by adopting a clapper, and sequentially carrying out long-ruler strickling, roller compaction and wood wedge polishing on the concrete structure body compacted by the clapper.
The concrete structure cast by the method is subjected to homogeneity test by adopting the following test method: a plurality of cores are drilled on a plane of 50 square centimeters of concrete, each core sample is a cylinder with the diameter of 70mm and the length of 50cm, and the distance between the adjacent core samples (from the circle center to the circle center) is 20 cm. The dry density parameter of all core samples after being dried for 30min is more than or equal to 2350kg/m3And the dry density design index of the radiation-proof concrete is completely met. Namely, the poured concrete structure has good homogeneity and can effectively resist the radiation penetrating problem of rays in proton radiotherapy.
The above description is for the purpose of describing the invention in more detail with reference to specific preferred embodiments, and it should not be construed that the embodiments are limited to those described herein, but rather that the invention is susceptible to various modifications and alternative forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A method for uniformly pouring mass radiation-proof concrete is characterized by comprising the following steps: the method comprises the following steps:
s01: uniformly arranging a plurality of feed openings on a concrete poured reinforcing bar net;
s02: inserting a concrete pumping pipe into the feed opening, and feeding concrete raw materials;
s03: in the process of putting the concrete raw materials in the step S02, adopting layered pouring, and in the layered pouring, adopting a vibrating rod to carry out layered vibrating on the concrete raw materials injected into the feed opening;
s04: after the concrete raw material subjected to layered vibration in the step S03 is initially set, vibrating the concrete raw material again by using a vibrating rod to form a concrete structure;
s05: and (5) compacting the concrete structure body formed in the step S04 by adopting a clapper, and sequentially carrying out long-ruler strickling, roller compaction and wood wedge polishing on the concrete structure body compacted by the clapper.
2. The homogeneous pouring method for the large-volume radiation-proof concrete according to claim 1, wherein the homogeneous pouring method comprises the following steps: the feed opening in the step S01 is a square opening.
3. The method for uniformly pouring the large-volume radiation-proof concrete according to claim 2, wherein the method comprises the following steps: the feed openings are square openings with the side length of 50cm, and the distance between every two adjacent feed openings is not less than 4 m.
4. The homogeneous pouring method for the large-volume radiation-proof concrete according to claim 1, wherein the homogeneous pouring method comprises the following steps: the vibrating rod in the step S03 comprises a front vibrating rod, a middle vibrating rod and a rear vibrating rod;
the front vibrating rod is arranged near the lowest point of the slope formed by natural flowing of concrete raw materials;
the rear vibrating rod is arranged near the highest point of the slope formed by natural flowing of the concrete raw material;
the middle vibrating rod is arranged between the front vibrating rod and the rear vibrating rod.
5. The method for uniformly pouring the large-volume radiation-proof concrete according to claim 4, wherein the method comprises the following steps: the front vibrating rod, the middle vibrating rod and the rear vibrating rod enter the concrete raw material each time for vibrating for 20-30 seconds, and move and vibrate along the highest point of the slope formed by the natural flowing of the concrete raw material to the lowest point.
6. The homogeneous pouring method for the large-volume radiation-proof concrete according to claim 1, wherein the homogeneous pouring method comprises the following steps: the layered pouring and the layered vibration in the step S03 adopt the following modes:
s031: after the pouring thickness of one feed opening reaches a specified value, the pumping pipe is moved to the next feed opening adjacent to the poured feed opening for pouring, and the steps are repeated in sequence to complete the pouring of the whole concrete first layer;
s032: when the concrete primary layer is poured, vibrating the concrete which is injected into each feed opening from the primary layer by adopting a vibrating rod;
s033: and (4) continuously repeating the concrete raw material pouring mode in the step (S031) and the vibrating mode in the step (S032) to pour and vibrate the concrete poured on the first layer formed by vibrating in the step (S032) until the thickness requirement of the whole concrete pouring layer is met.
7. The method for uniformly pouring the large-volume radiation-proof concrete according to claim 6, wherein the method comprises the following steps: when the concrete raw materials of the next layer are vibrated in the pouring process of the concrete raw materials of the step S033, the vibrating rod needs to be extended into the poured concrete raw material of the previous layer to a certain depth, so as to ensure that a gap formed after the two adjacent layers of concrete raw materials are poured is eliminated.
8. The homogeneous pouring method for the large-volume radiation-proof concrete as claimed in claim 6 or 7, wherein the homogeneous pouring method comprises the following steps: the thickness of each layer of concrete raw material formed by pouring is 30cm-50 cm.
9. The method for uniformly pouring the large-volume radiation-proof concrete according to claim 8, wherein the method comprises the following steps: the thickness of each layer of poured concrete raw materials is 40 cm.
10. The method for uniformly pouring the large-volume radiation-proof concrete according to claim 6, wherein the method comprises the following steps: the dry density parameter of the whole concrete structure body formed by pouring is more than or equal to 2350kg/m3。
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| CN201811454791.XA CN111255239A (en) | 2018-11-30 | 2018-11-30 | Mass radiation-proof concrete homogeneous pouring method |
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| CN201811454791.XA CN111255239A (en) | 2018-11-30 | 2018-11-30 | Mass radiation-proof concrete homogeneous pouring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962966A (en) * | 2021-02-09 | 2021-06-15 | 中建三局第一建设工程有限责任公司 | Layered pouring construction method for super-thick reinforced concrete horizontal component |
| CN113668928A (en) * | 2021-06-18 | 2021-11-19 | 中国化学工程第十四建设有限公司 | Method for controlling construction cracks of ultra-large-volume concrete water pool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758436A (en) * | 2011-04-27 | 2012-10-31 | 五冶集团上海有限公司 | Benzene hydrogenation engineering concrete pouring method |
| CN103073240A (en) * | 2013-01-22 | 2013-05-01 | 中建三局第一建设工程有限责任公司广西分公司 | Large-volume concrete beneficial for controlling temperature and shrinkage crack and construction process thereof |
| CN104032958A (en) * | 2014-06-06 | 2014-09-10 | 浙江万达建设集团有限公司 | Connection construction method of hospital anti-radiation room with special structure |
| CN204781601U (en) * | 2015-06-29 | 2015-11-18 | 重庆建工第十一建筑工程有限责任公司 | Antidetonation type RC frame construction post |
| CN106759354A (en) * | 2016-11-22 | 2017-05-31 | 西安建筑科技大学 | A kind of stratified continuous pouring mode of ultra-long and ultra-thick volume of concrete foundation |
| CN107867815A (en) * | 2017-09-25 | 2018-04-03 | 安徽砀山金兄弟实业科技有限公司 | A kind of concrete and its construction technology |
-
2018
- 2018-11-30 CN CN201811454791.XA patent/CN111255239A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758436A (en) * | 2011-04-27 | 2012-10-31 | 五冶集团上海有限公司 | Benzene hydrogenation engineering concrete pouring method |
| CN103073240A (en) * | 2013-01-22 | 2013-05-01 | 中建三局第一建设工程有限责任公司广西分公司 | Large-volume concrete beneficial for controlling temperature and shrinkage crack and construction process thereof |
| CN104032958A (en) * | 2014-06-06 | 2014-09-10 | 浙江万达建设集团有限公司 | Connection construction method of hospital anti-radiation room with special structure |
| CN204781601U (en) * | 2015-06-29 | 2015-11-18 | 重庆建工第十一建筑工程有限责任公司 | Antidetonation type RC frame construction post |
| CN106759354A (en) * | 2016-11-22 | 2017-05-31 | 西安建筑科技大学 | A kind of stratified continuous pouring mode of ultra-long and ultra-thick volume of concrete foundation |
| CN107867815A (en) * | 2017-09-25 | 2018-04-03 | 安徽砀山金兄弟实业科技有限公司 | A kind of concrete and its construction technology |
Non-Patent Citations (4)
| Title |
|---|
| 卢铁鹰: "《建设工程质量检测工作指南》", 31 December 2006, 中国计量出版社 * |
| 夏健昆: "《筏板基础质量控制的探讨》", 《工程建设与设计》 * |
| 张晓昆: "《唐曹高速公路分离式立交桥大体积承台混凝土施工与监理控制》", 《交通标准化》 * |
| 王丹: "《浅谈建筑工程中大体积混凝土的施工技术》", 《科技信息》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962966A (en) * | 2021-02-09 | 2021-06-15 | 中建三局第一建设工程有限责任公司 | Layered pouring construction method for super-thick reinforced concrete horizontal component |
| CN112962966B (en) * | 2021-02-09 | 2022-06-07 | 中建三局第一建设工程有限责任公司 | Layered pouring construction method for super-thick reinforced concrete horizontal component |
| CN113668928A (en) * | 2021-06-18 | 2021-11-19 | 中国化学工程第十四建设有限公司 | Method for controlling construction cracks of ultra-large-volume concrete water pool |
| CN113668928B (en) * | 2021-06-18 | 2022-12-09 | 中国化学工程第十四建设有限公司 | Method for controlling construction cracks of ultra-large-volume concrete water pool |
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