JP3718255B2 - Safety management device for mountain retaining - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a safety management device for a protective wall for preventing collapse in temporary construction, such as retaining a mountain for underground cutting work, cutting, retaining wall for embankment, and the like.
[0002]
[Prior art]
Conventionally, the safety management of the Yamato wall has been mainly visual monitoring, and has been taking measures by detecting abnormalities through human experience and feeling.
Recently, with the advancement of science and technology, changes in protective walls and supports are also measured using various sensors.
[0003]
[Problems to be solved by the invention]
However, humans (skilled engineers with deep experience) make judgments on normality / abnormality based on measurement values obtained from various sensors. In addition, appropriate and prompt processing is indispensable for dealing with anomalies, and if it lacks appropriateness, it can lead to a major accident. Even if an abnormality is found from the measured value, if a skilled engineer is not always stationed at the construction site, if he / she communicates by telephone or facsimile, the time may be lost.
In addition, it is necessary to judge and respond to abnormalities in measured values due to abnormalities in measuring instruments or abnormalities at construction sites (vibrations caused by construction machinery, installation of measuring instruments under harsh conditions exposed to wind and rain, etc.) There is also.
[0004]
Therefore, the present invention has been made in view of the above-mentioned problems of the prior art, and its purpose is to manage measurement data at a work place at a measurement center, find a trouble in measurement, and deal with it immediately. And to improve the quality of safety management of the mountain retaining.
[0005]
[Means for Solving the Problems]
To achieve the above object, in claim 1, in the safety management system of the earth retaining underground construction, a plurality of instruments that are attach to the required location, the site automatically to send to the integrated measurement data of the measuring instrument Installed in a measurement panel, measurement center, measurement monitoring processing device that receives, accumulates, processes, and transmits the measurement data, monitors and controls the measuring instrument, on-site automatic measurement panel, and communication device, and the construction site office Install, receive the measurement data from the automatic measurement panel at the same time, receive machining measurement data from the measurement center, input the progress status of the work as appropriate, store and process these data, and display and output drawings Management device and communication means for connecting them, and the management device associates the measurement data with the construction progress data, and displays both of them as a graph image superimposed on each other. It was. As a result, the change in the measurement amount due to the change in the situation is read, and whether or not the mountain retaining is safe or dangerous is determined. Further, in claim 2, the data processing of the management apparatus, the measurement data processing measurement with data and displays the construction progress data, the design value previously set and safety management value, etc. and combinations prediction and temporal change or the like simula- And report creation. According to a third aspect of the present invention, the management device is installed in another place such as a branch technical department and can be monitored at all times. According to a fourth aspect of the present invention, the communication means among the on-site automatic measurement panel, the measurement monitoring processing device, and the management device uses a public telephone line.
[0006]
[Action]
In the present invention, a plurality of measuring instruments are attached to required places in the work place. As this measuring instrument, various sensors can be used according to the measurement item. For example, a fixed inclinometer is used to measure the horizontal displacement of the mountain wall. For measuring the bending stress of the retaining wall, a surface strain gauge is used when the core material is steel, and a rebar gauge is used when the core is a concrete continuous wall. In addition, for measuring the axial force and bending stress of the timber support, the surface strain gauge is used for steel beams, the reinforcing bar is used for concrete beams, and the center hole type load is used for ground anchors. A total is used for each. A pore water pressure gauge is used to measure the groundwater level.
[0007]
The measurement data of the measuring instrument is accumulated and transmitted by an on-site automatic measuring board. A measurement monitoring processing device is installed in the measurement center, and receives, accumulates, processes, and transmits measurement data, and monitors and controls measuring instruments, on-site automatic measurement panels, communication devices, and the like. In this way, it is possible to find and deal with measurement troubles simply by being stationed at the measurement center without having to be trained at each construction site office. In other words, the role of the measurement center is to check measurement data, to discover and deal with measurement problems such as damage to measuring instruments (sensors), cable disconnection, malfunction of automatic measurement systems, etc. It is to be transferred to the construction site office.
[0008]
On the other hand, a management device is installed at the construction site office, and the measurement data is received simultaneously from the on-site automatic measurement panel, the machining measurement data is received from the measurement center, and the progress status of the construction is input as appropriate. Is stored and processed, and the graphic is displayed and output. In this way, an engineer at the construction site office evaluates and judges whether the mountain retaining is safe or dangerous. As described above, since maintenance management related to measurement is performed at the measurement center, it is not necessary to have a skilled engineer related to measurement technology stationed at the construction site office.
[0009]
In addition, measurement data, processing measurement data, and construction progress status data are stored and processed and displayed on a management device such as a construction site office. Will improve. In addition, it is possible to perform simulations such as design predictions, safety management values, etc., combination predictions, changes with time, and report creation.
The measurement data, the processing measurement data, and the construction progress data are also sent to a management device in another location such as a branch engineering department so that they can be monitored at all times, and are evaluated and judged by an engineer.
[0010]
【Example】
An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows an overall configuration of a safety management device for a mountain retaining according to the present invention.
A plurality of embedded inclinometers 1 for detecting deformation (tilt angle) of the retaining wall are attached to the retaining wall of the work place A. Further, a surface strain gauge 2 for detecting the axial force of the beam is attached to the important point of the beam of the supporting work. The embedded inclinometer 1 and the surface strain gauge 2 are respectively connected to an on-site automatic measurement panel 3.
[0011]
Here, in FIG. 1, the embedded inclinometer 1 and the surface strain gauge 2 are shown as measuring instruments, but various sensors can be used according to the measurement items. For example, a fixed inclinometer is used to measure the horizontal displacement of the mountain wall. For measuring the bending stress of the retaining wall, a surface strain gauge is used when the core material is steel, and a rebar gauge is used when the core is a concrete continuous wall. In addition, for measuring the axial force and bending stress of the timber support, the surface strain gauge is used for steel beams, the reinforcing bar is used for concrete beams, and the center hole type load is used for ground anchors. A total is used for each. A pore water pressure gauge is used to measure the groundwater level.
[0012]
The on-site automatic measurement panel 3 accumulates measurement data measured by the embedded inclinometer 1 and the surface strain gauge 2 and transmits the collected data through the communication device 30. The on-site automatic measuring panel 3 is connected to the construction site office 4 and is connected to the measuring center 5 and the branch engineering department 6 via the public telephone line B.
[0013]
The measurement center 5 is provided with a small computer 50 and a monitor 51 that constitute a measurement monitoring processor. The measurement data sent from the on-site automatic measurement panel 3 via the public telephone line B is received, stored, processed and transmitted by the measurement monitoring processor, and the embedded inclinometer 1 and the surface strain gauge 2 The on-site automatic measurement panel 3 and the communication device 30 are monitored and controlled.
[0014]
In the construction site office 4, a small computer 40, a monitor 41, and a communication device 42 constituting a management device are installed. This management apparatus receives measurement data from the on-site automatic measurement panel 3 at the same time, and also receives machining measurement data from the measurement center 5, and appropriately inputs the progress status of the construction (excavation progress, support installation, etc.). Further, these data are accumulated and processed, and a graphic display and output are performed (see FIG. 2).
The branch technical department 6 is also provided with a small computer 60 and a monitor 61 that constitute a management apparatus, and can display and output the measurement data, the processing measurement data, and the construction progress data.
[0015]
Next, the operation of the present invention will be described.
The measurement data measured by the embedded inclinometer 1 and the surface strain gauge 2 and accumulated by the on-site automatic measurement panel 3 are respectively transmitted to the construction site office 4, the measurement center 5, and the branch engineering department 6 by the communication device 30. Sent.
[0016]
The measurement data sent to the measurement center 5 is received, stored, processed, and transmitted by a measurement monitoring processing device (small computer 50, monitor 51), and the inclinable inclinometer 1 and surface strain gauge 2 and the field. The automatic measurement panel 3 and the communication device 30 are monitored and controlled. This monitoring and control is performed by a skilled technician who is always stationed in the measurement center 5 and judges abnormalities in the embedded inclinometer 1 and surface strain gauge 2 and wiring abnormalities (disconnection, etc.). , Switching the measurement circuit and promptly responding to the repair system. In this way, it is possible to find and deal with measurement troubles simply by being stationed at the measurement center 5 without having to be trained at each construction site office 4 by skilled engineers related to the measurement technology.
[0017]
The management device at the construction site office 4 simultaneously receives measurement data from the on-site automatic measurement panel 3, and receives machining measurement data from the measurement center 5, and further progress of construction (excavation progress, support installation, etc.) Is input as appropriate. These data are processed by a dedicated program, displayed as a graph on the screen of the monitor 41, and printed and recorded. As described above, the construction progress data, the machining measurement data, and the measurement data are synthesized and displayed on the monitor 41 of the management apparatus as a graph.
[0018]
Specifically, the processing of these data is performed by a dedicated program, and this dedicated program displays the measurement data in a graph on the screen in association with the construction progress data. By selecting a menu, this dedicated program can be used to display only the current value or the history from the past to the present, as shown in FIG. 2, or the measurement data for the specified period and the construction progress at that time The situation is displayed as a history graph. In other words, by associating with the progress of underground construction (how many meters have been excavated, or information that a cut beam has been erected or dismantled) displayed in a figure or graph, the construction progress and the current state of the mountain retaining are correlated and grasped. Can be seen as a history.
[0019]
In this way, by displaying the graph indicating the construction progress data and the measurement data in association with each other, it is possible to immediately read the change in the measurement amount due to the change in the situation. For example, as the excavation depth increases, the earth pressure naturally increases and appears in the measured amount, but if this is superimposed as a graph image, it is easy to determine whether it is normal or abnormal. In this way, the engineer at the construction site office 4 evaluates and judges whether the mountain retaining is safe or dangerous. In addition, it is possible to create a design value, safety management value, etc., combination prediction, temporal change simulation, report creation, and the like set in advance.
[0020]
Further, the measurement data, the processing measurement data, and the construction progress data are also sent to the management device (small computer 60, monitor 61) of the branch engineering department 6 so that they can be monitored at all times, and are evaluated and judged by a technician. .
In the above embodiment, only the construction site office 4 and the branch engineering department 6 are connected to the measurement center 5. However, it is also possible to connect the other management offices to further strengthen the workplace support system. Good.
[0021]
【The invention's effect】
According to the present invention, the measurement data of the work place is sent to the measurement center, and is managed collectively at the measurement center. Therefore, the measurement center does not have to be resident at each construction site office. It is possible to find and deal with measurement troubles simply by staying at the station.
In addition, the measurement results obtained at the measurement center are transferred to the construction site office or branch engineering department, respectively, so that engineers at the construction site office or branch engineering department can confirm whether it is safe or dangerous. Evaluation / judgment can be performed accurately, and this improves the quality of mountain safety management.
In addition, by constantly measuring and recording with various measuring instruments, it is possible to understand the passage of time and changes in abnormalities, and abundant engineers' judgment materials.
Also, by recording construction progress status data and combining it with each measurement data, it becomes possible to read changes in measurement data due to status changes.
In addition, by monitoring at each office, technical support by skilled professional engineers can be performed smoothly.
Furthermore, graphing the output data makes it easier to read compared to the enumeration of numbers, and at the same time eliminates the need to re-create technical reports and saves labor.
[Brief description of the drawings]
FIG. 1 is a diagram showing an overall configuration of a safety management device for a mountain stop according to the present invention.
FIG. 2 is a screen image displayed in a graph.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Implantable inclinometer 2 Surface strain meter 3 On-site automatic measurement panel 4 Construction site office 5 Measurement center 6 Branch technical department

Claims (4)

In the safety management device of the mountain retaining for underground construction,
A measuring instrument attached to the required location;
An on-site automatic measuring panel for collecting and transmitting measurement data of the measuring instrument;
A measurement monitoring processing device installed in a measurement center, receiving, storing, processing, and transmitting the measurement data, and monitoring and controlling a measuring instrument, an on-site automatic measurement panel, and a communication device;
Installed at a construction site office, receives the measurement data from the automatic measurement panel at the same time, receives processing measurement data from the measurement center, inputs the progress status of the work as appropriate, accumulates and processes these data A management device capable of displaying and outputting drawings;
Communication means for connecting them,
In the management device, the measurement data and the construction progress data are associated with each other, and both are superimposed and displayed as a graph image, so that the change in the measurement amount due to the change in the situation is read, and whether the mountain is safe or dangerous A safety management device for a mountain stop, which makes it possible to perform evaluation and judgment . Data processing of the management device displays the measurement data, processing measurement data, and construction progress data, and can be used for simulation, report creation, etc., such as preset design values, safety management values, etc., combined prediction, changes over time, etc. The mountain safety management device according to claim 1. 3. The mountain safety management device according to claim 1, wherein the management device is installed in another place such as a branch technical department and can be monitored at all times. 4. The safety management device for a mountain stop according to claim 1, 2 or 3, wherein the communication means among the on-site automatic measurement panel, the measurement monitoring processing device, and the management device uses a public telephone line.

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