JP5014758B2 - Concrete compaction position display device and compaction position display method - Google Patents

Description

  The present invention relates to a concrete compaction position display device and a compaction position display method, and more particularly to a concrete compaction position display device and compaction capable of preventing insufficient compaction when placing concrete. The present invention relates to a position display method.

  In the construction of concrete structures, in order to exhibit the proof stress and durability as designed, the concrete must be placed while sufficiently compacting the concrete supplied into the formwork.

  In general concrete placing work, compaction is performed at intervals of 30 cm to 40 cm in a vague manner according to the diameter and frequency of the vibrator used for compaction. In other words, the conventional compacting work at the time of placing concrete has responded flexibly based on the experience of the work instructor and the worker and judgment at the site.

  However, if the carelessness of workers and the cooperation between concrete supply and compaction work are poor, compaction may not be performed sufficiently. If the concrete is not compacted sufficiently, defects such as junkers, voids and cavities will occur in the concrete structure, which will impair the strength and durability of the structure.

  In order to cope with such inconvenience, various techniques for appropriately managing the compaction position of concrete have been developed. For example, a technique related to a concrete compaction method for facilitating a concrete compaction operation in tunnel lining is disclosed (see Patent Document 1).

  The technique described in Patent Document 1 is a technique in which a spherical float is attached to the upper side of a vibrator main body. When the surface of the concrete is raised by the supplied concrete, the vibrator is lifted by the floating buoyancy, and the concrete is compacted at the concrete supply position.

Japanese Patent No. 2918384

  The technique described in Patent Document 1 described above is a technique for performing proper compaction in accordance with the concrete placement height, particularly in tunnel lining work. In this respect, the vibrator is manually moved in the vertical direction. Automates the work to be moved, and exhibits an excellent effect of improving work efficiency.

  However, in general concrete placement work for constructing reinforced concrete structures such as building structures, the vibrator is not only moved vertically in accordance with the concrete placement height, but also when concrete is placed. Perform compaction work while moving the vibrator laterally while avoiding objects.

  As described above, the compaction work at the time of placing concrete in the past is often performed depending on the experience and intuition of the work instructor or the worker. In the construction of concrete structures, various measures are taken such as preparation of work manuals, dissemination of work procedures, and thorough meetings before placing concrete. However, it cannot be said that there is no possibility of occurrence of a place where compaction is not performed due to misjudgment or misunderstanding of the work instructor or the worker. In addition, since the compaction work is very hard work, the burden on the worker is great, and inappropriate work may be performed unintentionally.

  The present invention has been proposed in view of the above-described circumstances, and a concrete compaction position display device capable of performing appropriate concrete compaction work without relying on the experience and intuition of work instructors and workers, and It is an object of the present invention to provide a compaction position display method.

The concrete compaction position display device and compaction position display method of the present invention have the following features in order to achieve the above-described object.
That is, the concrete compaction position display device of the present invention is operated by a worker with a light emitting means having a plurality of light emitting devices installed at a position to be compacted, a light emission control means for controlling light emission of the light emitting means, and an operator. And a light emission stopping means for stopping the light emission of the light emitting device that emits light when the compaction is completed. The light emission control means first turns on the light emitting device disposed at the place where the compaction should be performed , and then when the light emission stop instruction is issued by the light emission stop means , the light emission to be emitted next. The apparatus emits light sequentially.

  In the concrete compaction position display device having such a configuration, the light emitting device disposed at the position where the compaction should be performed first is caused to emit light based on the control of the light emission control means. Then, an operator operates a compacting device such as a vibrator to perform compaction. When appropriate compaction is completed, the light emission stopping unit is operated to stop the light emitting device that is currently emitting light. When the light emission stop unit is operated, the light emission control unit performs control to cause the light emitting device to emit light next to emit light. In this way, the compacting operation is performed while the light emitting devices installed at the positions where compaction is to be performed sequentially emit light.

  Here, the timer means for setting the minimum compaction time necessary for compaction and the light emitting device is turned off if the light emission stop means is operated before the minimum compaction time set for the timer means has elapsed. It is preferable to provide a compaction time warning means for warning without warning.

  In a concrete compaction position display device having such a structure, if compaction is attempted at the next compaction position before the minimum compaction time set in advance in the timer means has elapsed, a minimum compaction time warning is issued. By issuing a warning by means and notifying that the compaction is not properly performed, an appropriate compaction operation can be performed.

  Further, the light emitting means is configured by arranging a plurality of light emitting devices in parallel at predetermined intervals, and is compacted by attaching the light emitting means to a formwork or a reinforcing bar installed in a concrete placing place. Each light emitting device can be arranged at a position.

  In the concrete compaction position display device having such a structure, the bar arrangement state is obtained by attaching a light emitting device such as a lamp or LED to a compaction position that is not evenly spaced according to the bar arrangement state. The light emitting device can be arranged at an appropriate position according to the above.

The light emitting means is configured by arranging a plurality of light emitting devices in parallel at predetermined intervals. The light emitting means is attached to a formwork or a reinforcing bar installed at a concrete placing place, and a plurality of light emitting means are provided. It is possible to select only the light emitting device that matches the compaction position from among the devices to emit light. In the concrete compaction position display device having such a configuration, an interval smaller than a general compaction interval ( For example, light emitting devices are provided at intervals of 5 cm to 10 cm. Then, by selecting only the light emitting device corresponding to the position where the compaction should be performed and causing the light to be emitted, the light emitting device can be arranged at an appropriate position according to the bar arrangement state or the like.

  Further, the compaction device position detecting means for detecting the distance between the light emitting device displaying the compaction position and the compaction device, and the light emitting device displaying the compaction position by the compaction device position detecting means It is preferable to provide compaction position warning means for giving a warning when it is detected that the distance from the compaction device exceeds the allowable range.

  In the concrete compaction position display device having such a configuration, a warning is given when the compaction operation is performed at a position different from the instructed position, so that an appropriate and reliable compaction operation can be performed. .

The concrete compaction position display method of the present invention includes a step of determining an appropriate compaction position according to a placement environment such as a bar arrangement state and a shape in a concrete placement place, and a light emitting device at the determined compaction position. A step of attaching a light emitting device, a step of lighting a light emitting device disposed at a place to be compacted first, a step of instructing light emission stop of the light emitting device when compaction is completed, Is performed, the step of sequentially emitting light from the light emitting device to be lighted next is included.

  Here, the process of setting the minimum compaction time necessary for compaction in advance, and if the light emitting device is instructed to stop emitting light before the minimum compaction time has elapsed, a warning is issued without turning off the light emitting device. And performing the process.

  It is also preferable to include a step of giving a warning when the compaction device is operated beyond a predetermined distance from the position where the light emitting device is disposed.

  According to the concrete compaction position display device and compaction position display method of the present invention, the light emitting device is arranged at a predetermined compaction position, and the compaction position is displayed while the light emitting device emits light sequentially. Accordingly, it is possible to perform an appropriate and reliable compaction work without depending on the experience and intuition of the work instructor or the worker.

  Therefore, it is possible to construct a concrete structure free from defects such as jumpers, voids and cavities. In addition, it is possible to determine the compaction position after thorough examination prior to placing concrete, so do not compact or perform compaction where it is necessary to perform compaction. Inadequate compaction work, such as excessive compaction at unfavorable locations, can be prevented.

  In addition, since the worker performing the compaction does not have to determine the compaction position based on his / her own judgment, the work burden on the worker is reduced, and the compaction work is concentrated appropriately and reliably. be able to.

  In addition, since there is no defect in the concrete structure, there are no unscheduled investigation costs or repair costs, and the secondary effect of suppressing the increase in construction costs and increasing the trust of the construction company is exhibited. be able to.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a concrete compaction position display device and compaction position display method of the present invention will be described with reference to the drawings.

<First Embodiment>
1 to 4 relate to a concrete compaction position display device according to a first embodiment of the present invention. FIG. 1 is a functional block diagram showing a schematic configuration of the compaction position display device, and FIG. FIG. 3 is an explanatory view showing another example of the light emitting means, and FIG. 4 is an explanatory view showing how to use the compaction position display device. FIG. 5 is a flowchart showing the procedure of the compaction position display method according to the first embodiment of the present invention.

  The concrete compaction position display device 10 according to the first embodiment of the present invention is a device for accurately indicating the compaction position when placing concrete, and as shown in FIG. The light emitting means, the plurality of light emission stopping means 12 and the light emission control means 13 are the main components. Further, a power source 14 for supplying power to the light emitting device 11 and the light emission control means 13 is provided.

<Light emitting means>
The light-emitting means includes a plurality of light-emitting devices 11, and each light-emitting device 11 includes, for example, a lamp, an LED, or the like (see FIGS. 2 to 4). There are no restrictions on the light emission color and illuminance of the light emitting device 51, but it is preferable that the light emission color and illuminance be such that an operator can surely see outdoors in the daytime. Various forms of the light emitting means are conceivable. For example, the forms described below can be used.

  In the first example of the light emitting means, a plurality of light emitting devices 51 are provided in parallel at predetermined intervals on a flexible support cable 53 as shown in FIG. The support cable 53 can also be used as a power cable, for example. The interval between the light emitting devices 51 may be adapted to a general compaction interval, and is preferably 30 cm to 40 cm, for example.

  In the light emitting means having such a configuration, since a plurality of light emitting devices 51 are provided on the flexible support cable 53, the adjacent light emission within a range of 30 cm to 40 cm is obtained by bending the support cable 53. The space | interval of the apparatus 51 can be changed suitably. Further, since the support cable 53 has flexibility, the support cables 53 can be easily bundled, and the light emitting means can be easily transported and stored.

  Further, a light emission stop switch 52 for individually stopping each light emitting device 51 is attached to the support cable 53 at the same position as each light emitting device 51. In addition, the length of the support cable 53 and the arrangement | positioning space | interval of the light-emitting device 51 can be changed and implemented suitably according to the condition of a concrete placement place, etc.

  In the second example of the light emitting means, as shown in FIG. 3, a plurality of light emitting devices 51 are provided in parallel at predetermined intervals on a support member 54. The support member 54 may be a rod-like member having rigidity, or may use a flexible power cable or the like as in the first example described above.

  For example, a vinyl chloride pipe can be used as the rod-shaped member having rigidity. And while attaching the light-emitting device 51 to the appropriate location of a vinyl chloride pipe, respectively, and inserting a power cable in a vinyl chloride pipe, a light emission means can be comprised. As described above, by using a rigid vinyl chloride pipe or the like as the support cable 53, the light emitting device 11 can be easily disposed by simply passing the vinyl chloride pipe over the concrete placement site. Further, by inserting the power cable into the vinyl chloride pipe, the power cable is protected, and disconnection, short circuit, etc. can be prevented.

  The interval between the light emitting devices 51 is narrower than a general compaction interval, for example, 5 cm to 10 cm. In the second example of the light emitting means, although not shown, an ON / OFF switch for selecting whether or not to use each light emitting device 51 is provided for each light emitting device 51. The light emission control means 13 may be configured to select the light emitting device 51 to emit light. In this case, the light emission control means 13 may be added with a control function for selecting the light emitting device 51 to be used from the plurality of light emitting devices 51.

  In the light emitting device 11 having such a configuration, a plurality of light emitting devices 51 are provided at intervals smaller than a general compaction interval. Therefore, by selecting only the light emitting device 51 that matches the compaction position, The space | interval of the adjacent light-emitting device 51 can be changed suitably.

  Further, a light emission stop switch 52 for individually stopping each light emitting device 51 is attached to the support member 54 at the same position as each light emitting device 51. Note that the length of the support member 54 and the arrangement interval of the light emitting devices 51 can be appropriately changed according to the situation of the concrete placing place and the like.

  Although not shown, the third example of the light emitting means includes a plurality of sets of light emitting devices and light emission stop switches, and a wireless communication means for performing wireless communication between the light emission control means. Each set of light emitting devices and light emission stop switches is provided with a power source such as a battery. Then, the light emission control of each light emitting device can be performed by transmitting and receiving a lighting signal and a light extinction signal between each light emitting device and each light emission stop switch and the light emission control means via the wireless communication means. Moreover, what is necessary is just to make the attachment space | interval etc. of a light-emitting device the same as that of the 1st example mentioned above. A known wireless communication device can be used as the wireless communication means.

  In the light emitting means having such a configuration, the set of the light emitting device and the light emission stop switch is formed separately from the other light emitting devices and the light emission stop switch. You can choose. Therefore, the light emitting device and the light emission stop switch can be arranged at the most appropriate position in a flexible manner corresponding to the situation of the concrete placing place. Moreover, since a cable or the like is not required, the light emitting means can be easily transported and stored.

<Light emission control means>
The light emission control means 13 is a means for performing light emission control of the light emitting device 11 in accordance with the concrete pouring progress, and when the light emission stopping instruction of the light emitting device 11 is given by the light emission stopping means 12 (light emission stop switch 52). In addition, the control is performed so that the light emitting device 11 to be lighted next emits light sequentially. The light emission control means 13 is constituted by a control device composed of, for example, a microcomputer having functions such as CPU, ROM, RAM, etc., and the light emission control means 13 is operated by the CPU or the like operating according to an application program stored in the ROM. As a function is demonstrated.

  The light emission control means 13, the light emitting device 11, and the light emission stop means 12 (light emission stop switch 52) are electrically connected by a power cable. Control signals may be exchanged between the light emission control means 13 and the light emitting device 11 or the light emission stop means 12 (light emission stop switch 52) via a dedicated signal line, or a control signal may be sent to the power cable. You may superimpose.

<Light emission stop means>
The light emission stop means 12 is a means for stopping light emission of the light emitting device 11 that emits light when the operator operates and compaction is completed. The light emission stop unit 12 can be configured by, for example, a light emission stop switch 52 provided in each light emitting device 51. Instead of providing the light emission stop switch 52 for each light emitting device 51, the light emission stop switch 52 may be provided at an appropriate location such as a power cable as long as the operator can easily operate it.

<Method for displaying compaction position>
Next, with reference to FIG.4 and FIG.5, the concrete usage method of the compaction position display apparatus of the concrete which concerns on 1st Embodiment is demonstrated. Hereinafter, the case where the light emitting means according to the first example described above is used will be described. However, the light emitting means according to the second example and the third example described above are used in substantially the same manner. Can do.

  As shown in FIG. 4, the concrete compaction position display device 10 according to the first embodiment is used by attaching a plurality of light emitting devices 51 to a formwork 55, a reinforcing bar 56, etc. at a concrete placement site. It has become. Specifically, a support cable 53 (for example, a power cable) is wound around a reinforcing bar 56 installed at a concrete placing place, and the light emitting device 51 is disposed at each compaction position. At this time, by bending the support cable 53, the position where each light emitting device 51 is attached can be adjusted.

  To perform the compacting operation using the compaction position display device according to the first embodiment, as shown in FIG. 5, first, depending on the placement environment such as the bar arrangement state and shape at the concrete placement location. Then, an appropriate compaction position is determined (S1), and the light emitting device is attached to the determined compaction position (S2).

  When the concrete placement is started, based on the control of the light emission control means (hereinafter referred to as a control device), first, the light emitting device arranged at the place where the compaction is to be performed is turned on (S3). . The worker performs a compacting operation using a compacting device such as a vibrator at the position of the light-emitting device that is lit (S4).

  Subsequently, after performing the compaction for a predetermined time, when the operator operates the light emission stop switch (S5), it is determined whether or not it is the final compaction position in each layer (S6). Here, if it is not the final compaction position in each layer, the light emitting device arranged at the place where the compaction is to be performed next lights up based on the control of the control device (S3).

  The worker moves to the position of the light emitting device that is lit and performs a compacting operation using a compacting device such as a vibrator (S4). When the light emission stop switch is operated at the final compaction position in each layer, the control device is reset (S7), and whether or not the compaction work for the last layer is completed (the light emission stop switch 52 is operated). (S8).

  Here, when the compaction work in the last layer is not completed, the process shifts to the concrete placing work in the next layer (S3 to S8). On the other hand, when the light emission stop switch is operated at the last compaction position in the last layer, the concrete compaction operation is finished.

  As described above, in the first embodiment, the light emitting devices are sequentially turned on as the concrete placing work proceeds, and the compaction operation at the compaction position is completed and the worker operates the light emission stop switch. By illuminating the light emitting device placed at the place where the next compaction should be performed each time, it is possible to perform an appropriate and reliable compaction operation without depending on the experience and intuition of the work instructor or the worker. .

<Second Embodiment>
FIG. 6 is a functional block diagram showing a schematic configuration of a concrete compaction position display device according to the second embodiment of the present invention.

  The concrete compaction position display device according to the second embodiment further includes timer means and compaction time warning means in addition to the components of the concrete compaction position display device according to the first embodiment described above. It has become the composition. In addition, the same code | symbol is attached | subjected to the component which has a function similar to 1st Embodiment, and detailed description is abbreviate | omitted.

  That is, the concrete compaction position display device according to the second embodiment includes a plurality of light emitting devices 11, a plurality of light emission stopping means 12, a light emission control means 13, a timer means 21, and a compaction as shown in FIG. The time warning means 22 is a main component. Further, a power source 14 for supplying power to the light emitting device 11 and the light emission control means 13 is provided.

<Timer means>
The timer means 21 is a means for setting a minimum compaction time necessary for compaction, and can be constituted by a known timer circuit. It is preferable that the timer means 21 can be set by changing the minimum compaction time according to construction conditions such as the shape of the concrete structure and the properties of the concrete to be placed. As a general minimum compaction time, 5 to 15 seconds is set. The timer means 21 may be configured as a function of the light emission control means 13.

<Consolidation time warning means>
The compaction time warning means 22 is a means for giving a warning without turning off the light emitting device 11 when the light emission stop means 12 is operated before the minimum compaction time set in the timer means 21 has elapsed. For example, an alarm sound generator or a warning light. The alarm sound generator and the warning light are connected to a power cable, so that an operator can easily see the warning light and can easily hear the alarm sound. The compaction time warning means 22 may be constituted by both an alarm sound generator and a warning light, or may be constituted by only one of them.

<Method for displaying compaction position>
Next, with reference to FIG. 7, the concrete usage method of the concrete compaction position display apparatus which concerns on 2nd Embodiment is demonstrated. FIG. 7 is a flowchart showing the procedure of the compaction position display method according to the second embodiment of the present invention.

  The usage method of the concrete compaction position display device according to the second embodiment is substantially the same as that of the first embodiment described above. That is, in the second embodiment, as shown in FIG. 7, the compaction position is determined (S11), and the minimum compaction time necessary for compaction is set in the timer means 21 (S12).

  Thereafter, the mounting of the light emitting device (S13), the sequential lighting of the light emitting device (S14), the compaction operation at the display position (S15), and the operation of the light emission stop switch (S16) are performed in the first embodiment described above. It is the same as the form (S2 to S5).

  In the second embodiment, when the light emission stop switch is operated (S16), it is determined whether or not the minimum compaction time has elapsed (S17). Here, if the light emission stop switch is operated by the worker before the minimum compaction time has elapsed, an alarm sound is generated from the alarm sound generator, or a warning light is lit or flashed to give a warning. (S18). At this time, it is preferable that the worker recognizes that the compaction position should not be moved without lighting the light emitting device arranged at the place where the compaction is to be performed next.

  On the other hand, when the light emission stop switch is operated by the operator after the minimum compaction time has elapsed, the compaction position determination in each layer (S19), the control device reset (S20), and the compaction in the last layer are performed. The end determination (S21) is performed in the same manner as in the first embodiment (S6 to S8).

  In the second embodiment, if an attempt is made to perform compaction at the next compaction position before the minimum compaction time has elapsed, a warning can be issued to notify that compaction has not been performed properly. . In addition, when a warning is given, the light emitting device arranged at the place where the next compaction should be performed does not light up, so that inappropriate compaction work can be prevented.

  It should be noted that an appropriate compaction time range may be set in the timer means, and a warning may be issued when the proper compaction time range is exceeded. In other words, when compaction is completed earlier than the minimum compaction time, or when compaction is performed for a time longer than the longest compaction time, a more appropriate compaction operation can be performed. .

<Third Embodiment>
FIG. 8 is a functional block diagram showing a schematic configuration of a concrete compaction position display device according to the third embodiment of the present invention. In addition, the same code | symbol is attached | subjected to the component which has a function similar to 1st Embodiment, and detailed description is abbreviate | omitted.

  The concrete compaction position display device according to the third embodiment further includes compaction device position detection means and compaction position with respect to the components of the concrete compaction position display device according to the first embodiment described above. It is the structure which added the warning means.

  That is, the concrete compaction position display device according to the third embodiment includes a plurality of light emitting devices 11, a plurality of light emission stopping means 12, a light emission control means 13, and a compaction device position detecting means 31, as shown in FIG. The compaction position warning means 32 is a main component. Further, a power source 14 for supplying power to the light emitting device 11 and the light emission control means 13 is provided.

<Consolidator position detection means>
The compaction device position detection means 31 is a means for detecting the distance between the light emitting device 11 displaying the compaction position and the compaction device. As the compacting device position detecting means 31, various types are conceivable. For example, the following configuration can be adopted.

  As a first example of the compaction device position detection means 31, a wire or rope suspended between the mounting position of the light emitting device displaying the compaction position and the compaction device such as a vibrator is used. Can do. The wire or rope has a length of, for example, about 2 m, and the mounting position of the light emitting device displaying the compaction position cannot be separated from the compaction device by a predetermined distance or more.

  As a second example of the compaction device position detecting means 31, a pair of transmitting and receiving devices respectively attached to the vicinity of the light emitting device, and a compacting device such as a vibrator, and a warning signal generating device are used. Can do. The transmitting device and the receiving device may be attached to either the vicinity of the light emitting device or the compacting device. Then, when the transmitting device and the receiving device are separated by 2 m, for example, a warning signal is generated from the warning signal generating device.

<Consolidation position warning means>
The compaction position warning unit 32 issues a warning when the compaction device position detection unit 31 detects that the distance between the light emitting device displaying the compaction position and the compaction device exceeds an allowable range. Means.

  When the compaction device position detection means 31 according to the first example described above is used, the compaction device position detection means 31 made of a wire, a rope or the like also functions as the compaction position warning means 32. In other words, since the length of the wire, rope, etc. is regulated, if the mounting position of the light emitting device displaying the compaction position and the compaction device are separated by a predetermined distance or more, the wire, rope, etc. are obstructed. The operator can be warned because the compaction device cannot be moved.

  When the compaction device position detection means 31 according to the second example is used, the compaction position warning means 32 is configured by an alarm sound generator or a warning light that receives a warning signal and gives a warning. can do.

<Method for displaying compaction position>
Next, with reference to FIG. 9, the specific usage method of the concrete compaction position display apparatus which concerns on 3rd Embodiment is demonstrated. FIG. 9 is a flowchart showing a procedure of a compaction position display method according to the third embodiment of the present invention.

  The usage method of the concrete compaction position display device according to the third embodiment is substantially the same as that of the first embodiment described above. That is, in the third embodiment, as shown in FIG. 9, determination of the compaction position (S21), attachment of the light emitting device (S22), sequential lighting of the light emitting device (S23), and execution of compaction work at the display position. (S24) is the same as that of 1st Embodiment (S1-S4) mentioned above.

  In the third embodiment, when the compaction operation is performed at the display position, it is determined whether or not the distance between the light emitting device displaying the compaction position and the compaction device is appropriate (S25). . Here, if the distance between the light emitting device displaying the compaction position and the compaction device is not appropriate, an alarm sound is generated from the alarm sound generator, or a warning light is lit or flashing. A warning is given (S26).

  On the other hand, when the compaction operation is performed at an appropriate position, it is determined whether or not the light emission stop switch has been operated by the worker (S27). Here, when the light emission stop switch is operated by the operator, the determination of the compaction position in each layer (S28), the reset of the control device (S29), and the final determination of compaction in the last layer (S30) This is performed in the same manner as in the first embodiment (S6 to S8).

  In the third embodiment, a compaction operation cannot be performed at a position different from the instructed position, or a warning is issued when the compaction operation is performed at such a position. Hardening work can be prevented.

It is a functional block diagram which shows schematic structure of the compaction position display apparatus which concerns on the 1st Embodiment of this invention. It is explanatory drawing which shows an example of the light emission means which concerns on the 1st Embodiment of this invention. It is explanatory drawing which shows the other example of the light emission means which concerns on the 1st Embodiment of this invention. It is explanatory drawing which shows the usage method of the compaction position display apparatus which concerns on the 1st Embodiment of this invention. It is a flowchart which shows the procedure of the compaction position display method which concerns on the 1st Embodiment of this invention. It is a functional block diagram which shows schematic structure of the compaction position display apparatus of the concrete which concerns on the 2nd Embodiment of this invention. It is a flowchart which shows the procedure of the compaction position display method which concerns on the 2nd Embodiment of this invention. It is a functional block diagram which shows schematic structure of the compaction position display apparatus of the concrete which concerns on the 3rd Embodiment of this invention. It is a flowchart which shows the procedure of the compaction position display method which concerns on the 3rd Embodiment of this invention.

Explanation of symbols

10, 20, 30 Compaction position display device 11 Light emission means 12 Light emission stop means 13 Light emission control means 14 Power supply 21 Timer means 22 Compaction time warning means 31 Compaction apparatus position detection means 32 Compaction position warning means 51 Light emission apparatus 52 Light emission Stop switch 53 Support cable 54 Support member 55 Formwork 56 Rebar

Claims (8)

A compaction position display device for displaying a compaction position when placing concrete,
A light-emitting means having a plurality of light-emitting devices installed at positions to be compacted;
Light emission control means for performing light emission control of the light emission means;
A light emission stopping means that is operated by an operator and stops light emission of the light emitting device that emits light when compaction is completed;
With
The light emission control means should first turn on the light emitting device disposed at the place where the compaction should be performed , and then emit light next when the light emission stop instruction is given by the light emission stop means. A concrete compaction position display device characterized by sequentially emitting light from a light emitting device. Timer means for setting the minimum compaction time required for compaction;
A compaction time warning means for giving a warning without turning off the light emitting device when the light emission stop means is operated before the minimum compaction time set in the timer means has elapsed;
The concrete compaction position display device according to claim 1, comprising: The light emitting means is configured by arranging a plurality of light emitting devices in parallel at a predetermined interval,
3. The concrete according to claim 1, wherein each of the light emitting devices is disposed at a compaction position by attaching the light emitting means to a formwork or a reinforcing bar installed at a concrete placement site. Compaction position display device. The light emitting means is configured by arranging a plurality of light emitting devices in parallel at a predetermined interval,
The light emitting means is attached to a formwork or a reinforcing bar installed at a concrete placement site, and only a light emitting device that matches a compaction position is selected from a plurality of light emitting devices to emit light. The concrete compaction position display device according to claim 1 or 2. A compaction device position detecting means for detecting a distance between the light emitting device displaying the compaction position and the compaction device;
Compaction position warning means for giving a warning when it is detected by the compaction device position detection means that the distance between the light emitting device displaying the compaction position and the compaction device exceeds an allowable range; ,
The concrete compaction position display device according to any one of claims 1 to 4, wherein the concrete compaction position display device is provided. A compaction position display method for displaying a compaction position when placing concrete,
A step of determining an appropriate compaction position according to the placement environment such as the bar arrangement state and shape at the concrete placement place;
Attaching each light emitting device to the determined compaction position;
First, a step of lighting a light emitting device arranged at a place to be compacted ,
Instructing to stop the light emission of the light emitting device when compaction is completed;
When an instruction to stop the light emission of the light emitting device is made, a step of sequentially emitting light from the light emitting device to be lighted next,
A method for indicating a compaction position of concrete, comprising: Setting a minimum compaction time necessary for compaction; and
A step of giving a warning without turning off the light-emitting device when instructed to stop the light-emitting device before the minimum compaction time has elapsed,
The concrete compaction position display method according to claim 6, further comprising: 7. The concrete compaction position display method according to claim 6 , further comprising a step of giving a warning when the compaction device is operated beyond a predetermined distance from the position where the light emitting device is disposed.

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