KR20020075845A - Blasting dissolution method of the infrastructure which uses a hydraulic pressure - Google Patents
Blasting dissolution method of the infrastructure which uses a hydraulic pressure Download PDFInfo
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- KR20020075845A KR20020075845A KR1020020055166A KR20020055166A KR20020075845A KR 20020075845 A KR20020075845 A KR 20020075845A KR 1020020055166 A KR1020020055166 A KR 1020020055166A KR 20020055166 A KR20020055166 A KR 20020055166A KR 20020075845 A KR20020075845 A KR 20020075845A
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- blasting
- explosive
- target structure
- water
- freshwater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
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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
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/22—Methods for holding or positioning for blasting cartridges or tamping cartridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
본 발명은 수압을 이용한 구조물의 발파해체 방법에 관한 것이다.The present invention relates to a method for demolition of a structure using hydraulic pressure.
본 발명은 이를 위해 발파대상 구조물의 내부에 비닐주머니를 이용하여 방수조치하는 단계; 방수된 비닐주머니에 물을 가득 체우는 담수단계; 방수상태, 수량, 수압을 확인하는 담수확인단계; 발파대상 구조물의 파편비산을 방지하기 위하여 상기 발파대상 구조물의 외주면에 방호막을 설치하는 방호막설치단계; 폭약의 뇌관 결합 후 절연탭핑 및 비닐테이프로 방수조치하는 전폭약포제작단계; 제작된전폭약포를 담수내로 유입시키고, 전폭약포가 발파대상 구조물의 내측 중앙부에 위치되었는지 확인 후 고정시키는 장약단계; 발파대상 구조물 내부에 장전되어 있는 폭약의 기폭을 위해 뇌관을 모두 연결하여 회로를 형성하고 발파기를 사용하여 기폭을 진행하면 뇌관에 의해서 구조물을 붕괴시키는 발파단계;로 이루어진다.The present invention comprises the steps of waterproofing using a plastic bag inside the blasting target structure for this purpose; Freshwater step filled with water in a waterproof plastic bag; Freshwater check step to check the waterproof state, quantity, water pressure; A protective film installation step of installing a protective film on an outer circumferential surface of the blasting target structure in order to prevent scattering of the blasting target structure; Full width drug manufacturing step of waterproofing with insulating taping and vinyl tape after the explosive primer is combined; Filling the prepared explosive medicine into freshwater, and checking that the full-width medicine is positioned in the inner central portion of the blasting target structure and then fixing it; For the explosion of the explosives loaded inside the blasting target structure to form a circuit by connecting all the primers, and if the explosion proceeds using the blasting device to explode the structure by the detonator; consists of.
상기와 같이 구성된 본 발명은 구조물의 내부에 물을 담은 상태에서 구조물의 중앙에 소량의 폭약을 매달아 발파시키게 되면 폭약의 폭발로 발생하는 팽창수압에 의해 콘크리트에 인장응력을 발생시켜 구조물을 용이하게 발파 해체시킴은 물론 분진, 비산을 억제하면서 구조물을 파괴할 수 있는 환경친화적 발파방법을 제공할 수 있도록 한 것이다.According to the present invention configured as described above, when a small amount of explosive is suspended and blasted in the center of the structure in the state of containing water in the structure, the tensile stress is generated in the concrete by the expansion water pressure generated by the explosion of the explosive, thereby easily blasting the structure. In addition to dismantling, it is possible to provide an environmentally friendly blasting method that can destroy structures while suppressing dust and scattering.
Description
본 발명은 수압을 이용한 구조물의 발파해체 방법에 관한 것으로서, 보다 상세하게는 구조물의 내부에 물을 담은 상태에서 구조물의 중앙에 소량의 폭약을 매달아 발파시키게 되면 폭약의 폭발로 발생하는 팽창수압에 의해 콘크리트에 인장응력을 발생시켜 구조물을 용이하게 발파 해체시킴은 물론 분진, 비산을 억제하면서구조물을 파괴할 수 있는 환경친화적 발파방법을 제공할 수 있도록 한 것이다.The present invention relates to a method for dismantling blasting of a structure using water pressure, and more particularly, when a small amount of explosive is blasted by hanging a small amount of explosive in the center of the structure in the state of containing water in the structure by the expansion water pressure generated by the explosive explosion It is to provide an environmentally friendly blasting method that can break down the structure while suppressing dust and scattering as well as dismantling the structure easily by generating tensile stress in concrete.
주지하다시피 종래의 발파해체 공법을 도심지에서 적용함에 있어, 그 폭발력과 폭굉음에 대한 제어기술을 개발하지 않고는 공해문제로 민원이 발생되어 발파해체 공법을 적용하는데 어려움이 발생되었다.As is well known, the conventional blast dismantling method was applied in urban areas, and complaints were generated due to pollution problems without the development of control techniques for explosive force and detonation.
따라서 공해문제를 해결하면서 최소한의 폭약으로 발파할 수 있는 해체공법이 요구되고 있고 있으나, 현재는 이러한 기술이 없다는 문제점이 발생되었다.Therefore, there is a demand for a dismantling method that can be blasted with minimal explosives while solving the pollution problem, but there is a problem that there is no such technology at present.
본 발명은 상기와 같은 종래 기술의 제반 문제점을 해소하기 위하여 안출한 것으로, 구조물의 내부에 물을 담은 상태에서 구조물의 중앙에 소량의 폭약을 매달아 발파시키게 되면 폭약의 폭발로 발생하는 팽창수압에 의해 콘크리트에 인장응력을 발생시켜 구조물을 용이하게 발파 해체시킴을 제1목적으로 한 것이고, 제2목적은 수압을 이용함에 따라 적은 폭약량으로 구조물을 파괴시킬 수 있도록 한 것이며, 제3목적은 폭속이 아니고 수압의 저속도 압력으로 구조물을 파괴시키므로 비산의 거리가 감소되도록 한 것이고, 제4목적은 구조물이 파괴되면서 발생되는 분진, 비산을 물로 제어하면서 구조물을 파괴할 수 있도록 한 것이며, 제5목적은 이로 인해 환경친화적 발파방법을 제공할 수 있도록 한 수압을 이용한 구조물의 발파해체 방법을 제공한다.The present invention has been made in order to solve the above problems of the prior art, by hanging a small amount of explosive in the center of the structure in the state of containing water in the structure by the expansion water pressure caused by the explosion of explosives The first purpose is to blast and dismantle the structure easily by generating tensile stress in concrete, and the second purpose is to destroy the structure with a small explosive amount by using hydraulic pressure. In addition, the low speed of hydraulic pressure destroys the structure, so that the distance of scattering is reduced. The fourth purpose is to control the dust and scattering generated by the destruction of the structure with water, and to destroy the structure. Due to this, the present invention provides a method for dismantling the structure using hydraulic pressure to provide an environmentally friendly blasting method.
이러한 목적 달성을 위하여 본 발명은 구조물의 발파해체 방법에 있어서, 발파대상 구조물의 내부에 비닐주머니를 이용하여 방수조치하는 단계; 방수된 비닐주머니에 물을 가득 체우는 담수단계; 방수상태, 수량, 수압을 확인하는 담수확인단계; 발파대상 구조물의 파편비산을 방지하기 위하여 상기 발파대상 구조물의 외주면에 방호막을 설치하는 방호막설치단계; 폭약의 뇌관 결합 후 절연탭핑 및 비닐테이프로 방수조치하는 전폭약포제작단계; 제작된전폭약포를 담수내로 유입시키고, 전폭약포가 발파대상 구조물의 내측 중앙부에 위치되었는지 확인 후 고정시키는 장약단계; 발파대상 구조물 내부에 장전되어 있는 폭약의 기폭을 위해 뇌관을 모두 연결하여 회로를 형성하고 발파기를 사용하여 기폭을 진행하면 뇌관에 의해서 구조물을 붕괴시키는 발파단계;가 포함됨을 특징으로 하는 수압을 이용한 구조물의 발파해체 방법을 제공한다.In order to achieve the above object, the present invention provides a method for dismantling a blasting structure, the method comprising: waterproofing using a vinyl bag inside the blasting target structure; Freshwater step filled with water in a waterproof plastic bag; Freshwater check step to check the waterproof state, quantity, water pressure; A protective film installation step of installing a protective film on an outer circumferential surface of the blasting target structure in order to prevent scattering of the blasting target structure; Full width drug manufacturing step of waterproofing with insulating taping and vinyl tape after the explosive primer is combined; Filling the prepared explosive medicine into freshwater, and checking that the full-width medicine is positioned in the inner central portion of the blasting target structure and then fixing it; Structures using hydraulic pressure, including; blasting step of detonating the structure by the detonator when the detonation proceeds using the blaster to form a circuit by connecting all the primers for the detonation of the explosives loaded inside the blasting target structure Provides a method for demolition of blasts.
이하에서는 이러한 목적 달성을 위한 본 발명의 바람직한 실시예를 첨부된 도면에 따라 상세히 설명하면 다음과 같다.Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention for achieving this purpose are as follows.
도 1 은 본 발명에 적용된 구조물의 단면도.1 is a cross-sectional view of a structure applied to the present invention.
도 2 는 본 발명에 적용된 수압을 이용한 구조물의 발파해체 방법을 설명하Figure 2 illustrates the blast dismantling method of the structure using the hydraulic pressure applied to the present invention
기 위한 단면도.Section for creeping.
도 3 은 본 발명의 구조물에 방호막을 설치한 상태를 도시한 정면도.Figure 3 is a front view showing a state in which a protective film is installed on the structure of the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
1: 구조물 2: 비닐주머니1: structure 2: plastic bag
3: 물 4: 봉3: water 4: rod
5: 와이어 6: 폭약(다이너마이트)5: wire 6: explosives (dynamite)
본 발명에 적용된 수압을 이용한 구조물의 발파해체 방법은 도 1 내지 도 3 에 도시된 바와 같이 구성되는 것이다.Blasting and dismantling method of the structure using the hydraulic pressure applied to the present invention is configured as shown in Figs.
하기에서 본 발명을 설명함에 있어, 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명은 생략할 것이다.In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.
그리고 후술되는 용어들은 본 발명에서의 기능을 고려하여 설정된 용어들로서 이는 생산자의 의도 또는 관례에 따라 달라질 수 있으므로 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.The following terms are terms set in consideration of functions in the present invention, which may vary depending on the intention or custom of the producer, and their definitions should be made based on the contents throughout the specification.
먼저, 본 발명 수압을 이용한 구조물의 발파해체 방법은 주로 토목 구조물중다리의 우물통 교각 및 각종 건물의 엘리베이터홀, 덕트홀, 연통 또는 수중에서의 유공관 등과 암반 등의 발파해체에도 적용 가능하다.First, the blast dismantling method of the structure using the hydraulic pressure of the present invention is mainly applicable to the blast dismantling of the well pier bridge of the bridge of civil engineering structures, elevator halls, duct holes, communication or underwater holes and rocks such as rocks.
우선, 본 발명은 발파대상 구조물(1)의 내부에 비닐주머니(2)를 이용하여 방수조치하는 단계를 수행하게 된다. 이때 상기 본 발명에 적용된 비닐주머니(2)는 본 발명을 설명하기 위해 나타낸 것으로, 본 발명은 이에 국한하지 않고 물을 담을 수 있는 어떠한 기술적 구성도 포함됨은 물론이다.First, the present invention is to perform a step of waterproofing using a plastic bag (2) inside the blasting target structure (1). At this time, the plastic bag 2 applied to the present invention is shown to explain the present invention, and the present invention is not limited thereto, but includes any technical configuration that can contain water.
상기 방수조치단계 이후에는 방수된 비닐주머니(2)에 물(3)을 가득 체우는 담수단계를 수행하게 된다.After the waterproofing step is to perform a fresh water step of filling the water (3) in the waterproof plastic bag (2).
또한 상기 담수단계 이후에는 작업자가 방수상태, 수량, 수압을 확인하는 담수확인단계를 거치게 된다.In addition, after the desalination step, the worker goes through a desalination check step to check the waterproof state, quantity, and water pressure.
상기 담수확인단계 이후에는 폭약(6)류가 직접 장전되는 구조물(1)에 구비되며, 발파시 대상구조물의 파편비산을 막는 방호막설치단계를 거치게 되는 것으로, 이때 상기 방호막설치단계에는 도 3 에 도시된 바와 같이 폭약이 장전되는 구조물(1)에 능형철망(7)과 부직포(8), 골함석(9)이 설치되어 콘크리트의 비산을 막을 수 있도록 구성된다.After the fresh water check step, the explosives (6) are provided in the structure (1) directly loaded, and go through a protective film installation step to prevent the scattering of debris of the target structure when blasting, in this case the protective film installation step As shown in the structure (1) that is loaded with explosives, the rhomboid wire mesh (7), nonwoven fabric (8), corrugated iron (9) is installed to prevent the scattering of concrete.
상기 방호막설치단계 이후에는 폭약의 뇌관 결합 후 절연탭핑 및 비닐테이프로 방수조치하는 전폭약포제작단계를 수행하고, 이후에는 제작된전폭약포를 담수내로 유입시키고, 전폭약포가 발파대상 구조물의 내측 중앙부에 위치되었는지 확인 후 고정시키는 장약단계를 수행하게 된다.After the protective film installation step, the full width drug manufacturing step of waterproofing with insulating tape and vinyl tape after the explosive primer is combined, and then the full width drug is introduced into freshwater, and the full width drug is inside the central part of the blasting structure. After checking whether it is located in the charging step is performed.
이후에는 발파대상 구조물 내부에 장전되어 있는 폭약의 기폭을 위해 뇌관을모두 연결하여 회로를 형성하고 발파기를 사용하여 기폭을 진행하면 뇌관에 의해서 구조물을 붕괴시키는 발파단계로 이루어진다.Subsequently, for detonation of the explosives loaded inside the blasting target structure, all the primers are connected to form a circuit, and when the detonation is performed using the blasting machine, the blasting step is performed to collapse the structure by the detonator.
도면상 미 설명부호 4는 봉이고, 5는 와이어이다.In the drawings, reference numeral 4 is a rod, and 5 is a wire.
한편 본 발명은 상기의 구성부를 적용함에 있어 다양하게 변형될 수 있고 여러 가지 형태를 취할 수 있다.On the other hand, the present invention may be variously modified and may take various forms in applying the above configuration.
그리고 본 발명은 상기의 상세한 설명에서 언급되는 특별한 형태로 한정되는 것이 아닌 것으로 이해되어야 하며, 오히려 첨부된 청구범위에 의해 정의되는 본 발명의 정신과 범위 내에 있는 모든 변형물과 균등물 및 대체물을 포함하는 것으로 이해되어야 한다.And it is to be understood that the invention is not limited to the specific forms referred to in the above description, but rather includes all modifications, equivalents and substitutions within the spirit and scope of the invention as defined by the appended claims. It should be understood that.
상기와 같은 본 발명 수압을 이용한 구조물의 발파해체 방법의 구체적인 실시예의 설명은 다음과 같다.Description of specific embodiments of the method for blast dismantling of the structure using the present invention hydraulic pressure as described above are as follows.
우선, 본 발명은 철근콘크리트로 제작된 사각의 구조물(1) 안에 물(3)을 담고 수중에서 발파를 하여 발생된 수압의 힘에 의해 콘크리트구조물(1)의 폭약량에 따른 파쇄정도를 파악하여 폭약과 발생된 수압 그리고 박스구조물(1)의 규격간의 상관관계를 파악해 여러 실구조물에 적용할 수 있도록 하였다.First, the present invention is to grasp the degree of crushing according to the explosive amount of the concrete structure (1) by the pressure of the hydraulic pressure generated by containing water (3) in the rectangular structure (1) made of reinforced concrete blasting in water The correlation between the explosives, the generated hydraulic pressure, and the specifications of the box structure (1) was investigated and applied to various real structures.
[실시예]EXAMPLE
본 발명에 적용된 구조물(1)은 철근콘크리트로, 외부 90㎝, 내부 50㎝의 정사각형 모양으로 높이가 120㎝의 규격으로 5개가 제작되었다.Structure (1) applied to the present invention is made of reinforced concrete, the outer shape of 90cm, 50cm in the square shape of the inner 5cm in the standard of 120cm in height.
상기와 같은 박스구조물의 장약 제원표는 아래 표1과 같다.The charge specification table of the box structure as described above is shown in Table 1 below.
[표 1]TABLE 1
본 실험은 박스형 구조물(1) 5개를 제작하여 5회에 걸쳐 발파실험을 실시하였다. 비산상태를 파악하기 위하여 방호시설은 하지 않았다. 일반적으로 구조물(1) 발파해체의 경우는 폭약량 산정시 비장약량이라는 것을 산정하여 실시한다. 하지만 수압을 이용한 발파시험은 그 기준이 없어서 일반적인 비장약량을 산정하여 실시하면서 최적의 폭약량을 산출해 내는 방법을 이용하였다. 제1회 실험에서 0.672㎥ 철근콘크리트 수량을 0.3㎥의 물을 이용하여 폭약(6) 250g 즉, 비장약량 0.37㎏/㎥로 실시하였다. 그 결과 물기둥이 60∼70m 상승하면서 박스형 구조물(1)의 흔적이 완전히 없어졌으며 콘크리트 비산물이 발생되어 약 30m 정도로 날아갔다. 제1회 실험에서 과장약으로 판정되어 제2회부터 제4회 실험을 실시하여 콘크리트 파편이 비산되지 않고 최고 3m 이내에 제어되면서 완전히 파괴되는 최적의 장약량을 산출할 수 있었다. 그 결과는 아래 표2와 같다.In this experiment, five box-shaped structures (1) were manufactured and blasted for five times. There was no protective facility to check the scattering conditions. In general, in case of blasting and dismantling of structure (1), it is carried out by calculating that it is a spleen dose when calculating explosive dose. However, the blasting test using water pressure did not have a standard, and thus a general explosive charge was calculated and an optimal explosive charge was calculated. In the first experiment, the amount of 0.672 m3 of reinforced concrete was carried out using 250 g of explosives (6), that is, a specific capacity of 0.37 kg / m3, using 0.3 m3 of water. As a result, the water column rose 60 to 70m, and the traces of the box-shaped structure 1 were completely disappeared. In the first experiment, it was determined to be an exaggerated medicine, and the second to fourth experiments were performed to calculate the optimal dosage amount that the concrete fragments were completely destroyed while being controlled within 3m without scattering the concrete fragments. The results are shown in Table 2 below.
[표 2]TABLE 2
일반적으로 철큰콘크리트 구조물(1)를 파괴하기 위하여 폭약량을 철근콘크리트 ㎥당 0.9∼2.0㎏을 사용하고 있다.In general, in order to destroy the iron concrete structure (1), the explosive amount is used 0.9 ~ 2.0 kg per m3 of reinforced concrete.
그러나 본 실험발파를 통해서 박스형 구조물(1)을 파괴하는데 폭약량을 철근콘크리트 ㎥다 0.04∼0.1㎏을 사용하여 완전히 파괴시키면서 비산을 억제하고 분진이 없는 획기적인 발파해체방법이 개발된 것이다.However, through the experimental blasting, the explosive decontamination method was developed to suppress scattering and to prevent dust while completely destroying the explosive amount by using 0.04 to 0.1 ㎏ of explosive concrete m3.
상기 발파후의 결과 수압을 이용하면 적은 폭약량으로 콘크리트 구조물을 파괴시킬 수 있고, 구조물이 파괴되면서 발생되는 분진을 물로 제어할 수 있으며, 폭속이 아니고 수압의 저속도 압력으로 파괴되므로 비산의 거리가 감소되는 효과를 얻을 수 있었고, 이로 인해 기존 사용되었던 폭약량에 비교하면 약 2∼5% 정도만으로도 분진, 비산을 억제하면서 구조물(1)을 파괴할 수 있는 환경친화적인 발파해체 방법을 제공할 수 있게 된다.As a result of the pressure after blasting can be used to destroy the concrete structure with a small amount of explosives, the dust generated when the structure is destroyed can be controlled by water, and the distance of scattering is reduced because it is destroyed by the low-speed pressure of water pressure, not explosion It was possible to provide an environmentally friendly blast dismantling method that can destroy the structure (1) while suppressing dust and scattering by only about 2 to 5% compared to the explosives used in the past. .
상기에서 상세히 살펴본 바와 같이 본 발명은 구조물의 내부에 물을 담은 상태에서 구조물의 중앙에 소량의 폭약을 매달아 발파시키게 되면 폭약의 폭발로 발생하는 팽창수압에 의해 콘크리트에 인장응력을 발생시켜 구조물을 용이하게 발파 해체시키도록 한 것이고, 수압을 이용함에 따라 적은 폭약량으로 구조물을 파괴시킬 수 있도록 한 것이며, 폭속이 아니고 수압의 저속도 압력으로 구조물을 파괴시키므로 비산의 거리가 감소되도록 한 것이고, 구조물가 파괴되면서 발생되는 분진, 비산을 물로 제어하면서 구조물을 파괴할 수 있도록 한 것이며, 이로 인해 환경친화적 발파방법을 제공할 수 있도록 한 매우 유용한 발명인 것이다.As described in detail above, the present invention facilitates the structure by generating a tensile stress in the concrete by the expansion water pressure caused by the explosion of explosives when hanging a small amount of explosive in the center of the structure in the state of containing water in the structure It is to dismantle the blasting, and to destroy the structure with a small explosive amount by using the hydraulic pressure, and to destroy the structure by the low speed pressure of hydraulic pressure, not to speed up, so that the distance of scattering is reduced. It is to control the generated dust, scattering with water to destroy the structure, which is a very useful invention to provide an environmentally friendly blasting method.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102493675A (en) * | 2011-11-24 | 2012-06-13 | 兰州大学 | Column charge hydraulic blasting demolition method |
| CN108981513A (en) * | 2018-07-23 | 2018-12-11 | 武汉科技大学 | A kind of hydraulic pressure demolition device quickly loaded |
| CN109141147A (en) * | 2018-10-10 | 2019-01-04 | 六盘水久翔爆破工程有限责任公司 | A kind of radial direction water coincidence demolition set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101252138B1 (en) | 2012-06-21 | 2013-04-08 | 우주개발 주식회사 | Water tube blasting method |
| CN108915295A (en) * | 2018-07-03 | 2018-11-30 | 中国人民解放军陆军工程大学 | A blasting demolition method for a tubular steel column structure building |
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| JP2579199B2 (en) * | 1988-10-24 | 1997-02-05 | 株式会社フジタ | How to break rock or concrete |
| JPH0752080B2 (en) * | 1990-09-14 | 1995-06-05 | 技術資源開発株式会社 | Blast reinforcement method |
| JP3059620B2 (en) * | 1993-12-11 | 2000-07-04 | 株式会社奥村組 | Blasting method |
| JPH07217365A (en) * | 1994-02-09 | 1995-08-15 | Fujita Corp | Method for dismantling temporary concrete structures |
| KR100680032B1 (en) * | 2000-08-11 | 2007-02-07 | 두산중공업 주식회사 | How to dismantle buildings by explosives |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102493675A (en) * | 2011-11-24 | 2012-06-13 | 兰州大学 | Column charge hydraulic blasting demolition method |
| CN108981513A (en) * | 2018-07-23 | 2018-12-11 | 武汉科技大学 | A kind of hydraulic pressure demolition device quickly loaded |
| CN109141147A (en) * | 2018-10-10 | 2019-01-04 | 六盘水久翔爆破工程有限责任公司 | A kind of radial direction water coincidence demolition set |
| CN109141147B (en) * | 2018-10-10 | 2023-09-15 | 六盘水久翔爆破工程有限责任公司 | A radial water coupling blasting device |
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