CN114808900A - Auxiliary measuring device for roadbed compaction - Google Patents
Auxiliary measuring device for roadbed compaction Download PDFInfo
- Publication number
- CN114808900A CN114808900A CN202210311677.1A CN202210311677A CN114808900A CN 114808900 A CN114808900 A CN 114808900A CN 202210311677 A CN202210311677 A CN 202210311677A CN 114808900 A CN114808900 A CN 114808900A
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- measuring device
- fixed cylinder
- auxiliary measuring
- marking
- layer
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
Abstract
The application discloses supplementary measuring device of road bed compaction. This auxiliary measuring device, when needs carry out real-time measurement to the compaction thickness of road bed, before the measurement operation, place this auxiliary measuring device in the loam layer to make fixed section of thick bamboo fix on the road bed, make simultaneously that the mark is fixed in the loam layer so that do not make the mark produce relative activity for the loam layer, the record marks the first registration that the structure that marks on the piece corresponds to on the scale mark this moment. When the roadbed soil laying layer is pressed, the soil laying layer is compacted, the marking piece can move downwards relative to the fixed cylinder to drive the marking structure to move downwards, the marking structure on the marking piece is recorded to correspond to a second reading number on the scale mark, and the difference value of the first reading number and the second reading number represents the thickness change value of the roadbed soil laying layer in the compacting process, so that whether the compacted thickness reaches a target or a design level can be obtained.
Description
Technical Field
The application relates to the technical field of building construction equipment, in particular to an auxiliary measuring device for roadbed compaction.
Background
With the development of national infrastructure, the construction requirements of highway engineering are more and more standardized and standardized, the roadbed is used as an important component part of the highway construction, the filling and compacting quality of the roadbed is particularly important, no firm and stable roadbed exists, no stable road surface exists, and the quality of the roadbed are directly related to the quality of the whole highway engineering and the safe driving of vehicles. Therefore, it is an important task for road construction workers to effectively control the quality of roadbed filling and rolling during construction. Because the pavement is built upwards one by one from the foundation, the compactness of the bottom layer can be transferred upwards layer by layer, if people master the compactness of each structural layer from bottom to top from the roadbed, and the engineering quality of the road can be ensured by controlling in the construction process.
In the technical technology, in the roadbed compaction construction, a compaction thickness control method mainly adopts machinery to assist manual work, before construction, a professional measuring person measures each section and each layer in the existing construction, the machinery starts to operate, the measurement in different sections is needed in the process to achieve the expected target, the whole process needs the cooperation of measuring technical personnel and workers, and the phenomenon of machine unsmooth work and waiting work exists. If the road is long and the flow process is performed in a segmented and parallel mode, more technicians, workers and machines are needed to meet the standard requirements of filling and compacting of each layer of road on site, and the construction efficiency is low.
Disclosure of Invention
In view of this, this application provides road bed compaction's auxiliary measuring device, can realize carrying out real-time measurement to the compaction thickness of road bed compaction construction comparatively conveniently.
The application provides a supplementary measuring device of road bed compaction includes:
the inner cavity of the fixed cylinder is provided with an elastic piece;
the scale mark is arranged on the outer wall of the fixed cylinder;
the marking piece is acted by the elastic piece so as to enable the marking piece to be capable of stretching and moving in a space range between the inner cavity of the fixed cylinder and the outer part of the fixed cylinder, and an indicating structure for indicating the scale marks is fixedly arranged on the marking piece;
wherein the marking structure indicates that the scale mark forms a first reading when the fixed cylinder is placed in a roadbed soil layer; in the process that the roadbed soil layer is compacted, the marking piece can move downwards to drive the marking structure under the driving of the compaction, the indicating structure indicates the scale marks to form a second reading, and then the change condition of the thickness of the soil layer is determined according to the difference value of the first reading and the second reading.
Optionally, the end of the marker remote from the elastic member is provided with a positioning structure for positioning in the soil layer.
Optionally, the locating structure is a wedge.
Optionally, the inner wall of the fixed cylinder is provided with a movable groove for the marking member to move in a telescopic manner.
Optionally, the periscope further comprises an observation assembly, wherein the observation assembly comprises a positioning seat used for being attached to the outer wall of the fixed cylinder and a periscope piece fixedly arranged on the positioning seat.
Optionally, the positioning seat comprises a transparent plate and a chuck fixed on the transparent plate.
Optionally, a bracket is arranged at the bottom of the fixed cylinder.
Optionally, a handle is arranged at the top of the fixed barrel.
Above provide the supplementary measuring device of road bed compaction, when needs carry out real-time measurement to the compaction thickness of road bed, before the measurement operation, place this supplementary measuring device in the soil layer to make fixed section of thick bamboo fix on the road bed, make simultaneously that the marking member is fixed in the soil layer so that do not make the marking member produce relative activity for the soil layer, record the first registration that marks on the marking member structure on this moment corresponds to the scale mark. When the roadbed soil laying layer is pressed, the soil laying layer is compacted, the marking piece can move downwards relative to the fixed cylinder to drive the marking structure to move downwards, the marking structure on the marking piece is recorded to correspond to a second reading number on the scale mark, and the difference value of the first reading number and the second reading number represents the thickness change value of the roadbed soil laying layer in the compacting process, so that whether the compacted thickness reaches a target or a design level can be obtained.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an auxiliary measuring device according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of an observation assembly according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an auxiliary measuring device provided in an embodiment of the present application in a use state.
Wherein the elements in the figures are identified as follows:
100-auxiliary measuring means; 120-a stationary cylinder; 121-scale line; 130-a marker; 131-indicating structure; 132-a positioning structure; 140-an elastic member; 150-a viewing assembly; 151-positioning seat; 152-periscope elements; 153-chuck; 160-a scaffold; 170-handle.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying that the number of indicated technical features is indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Before the technical solutions of the present application are introduced, it is necessary to explain the background of the invention of the present application.
It is common in the related art that in the roadbed compaction construction, a compaction thickness control method mainly uses machinery as an auxiliary material for manual work, before construction, a professional measurer measures each section and each layer in the existing construction, the machinery starts to operate, the measurement in different sections is needed in the process to achieve the expected target, the whole process needs the cooperation of measurement technicians and workers, and the phenomenon of mechanical work involving and waiting exists. If the road is long and the flow process is performed in a segmented and parallel mode, more technicians, workers and machines are needed to meet the standard requirements of filling and compacting of each layer of road on site, and the construction efficiency is low.
Based on the above-mentioned problem that the operation of the inventor for real-time measurement of the roadbed compacted thickness is troublesome, the inventor proposes an auxiliary measuring device 100 for roadbed compaction. When the compacted thickness of the roadbed needs to be measured in real time, before the measurement operation, the auxiliary measuring device 100 is placed in the soil layer, the fixing cylinder 120 is fixed on the roadbed, the marking member 130 is fixed in the soil layer so as not to make the marking member 130 move relative to the soil layer, and the marking structure on the marking member 130 is recorded to correspond to the first indication number on the scale mark 121. When the roadbed soil laying layer is pressed, the soil laying layer is compacted, the marking piece 130 can move downwards relative to the fixed cylinder 120 to drive the marking structure to move downwards, at the moment, the marking structure on the marking piece 130 is recorded to correspond to the second reading number on the scale mark 121, and the difference value of the first reading number and the second reading number represents the change value of the roadbed compacted soil laying layer thickness, so that the soil laying layer thickness (non-first reading number) is obtained by subtracting the difference value of the first reading number and the second reading number from the thickness value of the soil laying layer through special measuring equipment before measurement, namely the compacted thickness at the moment, the compacted thickness can be detected to reach a target or design level, and the operation trouble caused by repeatedly measuring the real-time soil laying layer thickness in the related technology is avoided. Therefore, the invention is created.
Referring to fig. 1, the present application provides an auxiliary measuring device 100 for subgrade compaction, comprising:
a fixed cylinder 120, the inner cavity of the fixed cylinder 120 contains an elastic element 140;
a scale mark 121 disposed on the outer wall of the fixed cylinder 120;
a marking member 130 acted by the elastic member 140 to make the marking member 130 capable of stretching and retracting within the space range of the inner cavity and the outer part of the fixed cylinder 120, the marking member 130 being fixedly provided with an indicating structure 131 for indicating the scale mark 121;
wherein, when the fixed cylinder 120 is placed in the roadbed soil layer, the marking structure indicates the scale mark 121 to form a first number; in the process that the roadbed paved soil layer is compacted, the marking piece 130 can move downwards to drive the marking structure under the driving of the compaction, the indicating structure 131 indicates the scale mark 121 to form a second indicating number, and the change condition of the compaction thickness is determined according to the difference value of the first indicating number and the second indicating number.
The term "bedding layer" means a layer of soil which is laid on the roadbed to be compacted or in the process of compaction. The soil layer not only covers the compacted layer obtained by full compaction, but also covers the loose layer in a loose state and the state of insufficient compaction.
As to the function of marker 130, it has been discussed above that "prior to construction, marker 130 is fixed within the bedding so as not to cause relative movement of marker 130 with respect to the bedding", and in a particular operation, the relative height position of marker 130 at the bedding may be aligned with the uppermost position of the bedding, as shown in fig. 1. Or may be located at any position inside the subsoil, i.e. below the uppermost position of the subsoil.
It is contemplated that while the indicator 130 may be disposed in an uppermost position aligned with the earthen layer, an auxiliary means such as a wire or U-shaped clasp may be employed to position the indicator 130 on the surface of the earthen layer. When the soil layer is laid at an arbitrary position inside the soil layer, a good fixing effect can be obtained due to the embedding of the surrounding soil to the marker 130 even in the case of omitting auxiliary means such as using iron wires or U-shaped buttons.
It is contemplated that the spring members 140 are in a compressed state. The magnitude of the elastic force of the elastic member 140 may be configured to a proper value for ensuring that the elastic force generated by the elastic member 140 cannot completely stop the movement of the indicator 130 by the roadbed compacting work regardless of the degree to which the elastic member 140 is compressed, according to the general experimental and design abilities of those skilled in the art.
The marker 130 may be implemented in the shape of a rod as shown in fig. 1, or in any other shape.
With regard to the implementation of the indicating structure 131, any conceivable manner may be used, as long as there is a clear distinguishing distinction with respect to other positions of the indicator 130 (i.e., positions where the indicating structure 131 is not disposed). The indication structure 131 may be in the form of indication scales provided on the indicator 130, or may be in the form of a rod, a sheet, a circle, a square, or the like protruding on the indicator 130.
As already mentioned above, the above-mentioned markers 130 are fixed in position relative to the layer of vegetation within the layer of vegetation, without any structural or auxiliary means, i.e. only depending on the adhesion of the vegetation around the layer of vegetation.
Of course, to further achieve the positioning effect in the layer, the end of the indicator 130 remote from the elastic member 140 is provided with a positioning structure 132 for positioning in the layer.
Thus, the marker 130 can be securely positioned on the subsoil layer by the positioning structure 132.
The positioning structure 132 may be in the form of any pointed structure, such as a wedge, etc., as will occur to those skilled in the art.
Since the stroke of the elastic compression by the elastic member 140 is substantially linear, this substantially keeps the telescopic movement of the indicator 130 substantially linear. However, since the compression stroke of the elastic member 140 can generate a certain degree of left-right shaking relative to the elastic direction, these left-right shaking may cause the downward movement of the marker 130 to generate left-right shaking, and the downward left-right shaking may further promote the compression stroke of the elastic member 140, so that the vicious circle, the left-right shaking of the telescopic movement which is accumulated continuously, is amplified finally until the fixing effect of the marker 130 in the soil layer may be damaged, and even the fixing is completely lost.
In order to avoid the damage of the fixing of the marker 130 on the soil layer, a movable groove (not shown) for the telescopic movement of the marker 130 may be provided on the inner wall of the fixed cylinder 120. Therefore, the telescopic movement of the indicator 130 is always in a straight line, preventing the above-mentioned left and right shaking.
Regarding the arrangement relationship of the indicator 130 and the elastic member 140, it is conceivable that the indicator 130 may be attached to one end of the elastic member 140. Of course, as another way, the elastic element 140 may be sleeved on the outer circumference of the indicator 130, and a protrusion is formed on the indicator 130, so that one end of the elastic element 140 (and protecting the elastic element 140 in a compressed state) is stopped on the protrusion. Alternatively, the protrusion is replaced with a groove, so that one end of the elastic member 140 is limited in the groove.
The other end of the elastic member 140 (i.e., the end that is not stopped or restrained by the protrusion or the groove) is fixed to the inner wall of the fixed cylinder 120.
It is contemplated that in practice, to facilitate reading of the indications of the graduations 121 described above, a layer of earthen formations may be excavated around the deployment assist gauge 100 to form a viewing hole so that the graduations 121 are substantially exposed. The observation hole is excavated so as not to damage the fixing of the auxiliary measuring device 100.
Of course, the observation hole is troublesome to cut, i.e., the observation hole needs to be cut at a time when the reading of the scale 121 is performed at a time.
In order to avoid the trouble of digging an observation hole, referring to fig. 2, the auxiliary measuring device 100 according to the embodiment of the present invention further includes an observation assembly 150, wherein the observation assembly 150 includes a positioning seat 151 for being attached to the outer wall of the fixing cylinder 120 and a periscope 152 fixedly disposed on the positioning seat 151.
Thus, the observation of the scale mark 121 can be realized only by the periscope 152.
It is contemplated that two holes may be separately cut into the earthen layer to separately receive the stationary barrel 120 and the periscope 152 when the auxiliary measuring device 100 is deployed within the earthen layer. Then, the fixed cylinder 120 is assembled on the outer wall of the fixed cylinder 120 through the positioning seat 151, and the fixed cylinder 120 and the periscope 152 are respectively placed in the respective holes.
Here, given that the configuration or principle of the periscope arrangement 152 is of a known form, the application can be obtained using maturation channels, and can also be self-made by the principle of the periscope arrangement 152.
Since in some cases the stationary barrel 120 is placed in the earthen layer, the ambient light around the stationary barrel 120 is dark, which may affect the real number reading by the periscope arrangement 152. To overcome this drawback, an Led lamp bead module or the like may be provided at the end (end remote from the view) of the periscope arrangement 152
The positioning seat 151 is used for engaging with the fixing tube 120, and may be a known manner such as an adhesive or a suction cup or a snap.
As an exemplary embodiment of the positioning seat 151, the positioning seat 151 includes a transparent plate and a chuck 153 fixed on the transparent plate.
Therefore, the transparent property of the transparent plate can ensure that any scale mark 121 is not shielded when the fixed cylinder 120 is attached, so that the overall size of the positioning seat 151 can be reduced.
Of course, in other implementations where the transparent plate is omitted, the positioning base 151 is provided with an opening for exposing the end of the periscope arrangement 152. The size of the aperture area may be set according to the optical field of view of the periscope arrangement 152.
In an exemplary embodiment, the bottom of the fixed cylinder 120 is provided with a bracket 160. Therefore, the fixing cylinder 120 is firmly supported on the roadbed, and the marker 130 cannot incline or shake during the telescopic movement process, so that the marker 130 is fixed on the soil layer.
In an exemplary embodiment, the fixed cylinder 120 is provided with a pull handle 170 at the top thereof. Thus, after the measurement is completed, the fixed cylinder 120 is removed from the earthen layer by the pulling handle 170.
In order to accommodate the indicator 130 in the inner cavity of the fixed cylinder 120 when not in use, a slot (not shown) is formed on the inner wall of the fixed cylinder 120, and a card is disposed in cooperation with the slot and fixed on the indicator 130, for example, the card is rotatably connected to the indicator 130.
Thus, after the operation is performed to fully retract the indicator 130 into the inner cavity of the fixed cylinder 120, the card is pulled until the card is clamped into the clamping groove, so that the indicator 130 is stopped.
Of course, the matching mode of the card and the clamping groove can be replaced by a bolt piece and the like, and the description is omitted.
The specific operation process of the technical scheme of the application is described for an application scenario with wider application. It should be noted that this general embodiment is not to be taken as an identification basis for understanding the essential features of the technical problem to be solved by the present application, but is merely exemplary.
Referring to fig. 3, the procedure for the roadbed compacting operation using the auxiliary measuring device of the present application is as follows:
and S1, firstly, making a test section, and determining the roadbed filling compaction test result by a laboratory to obtain data such as maximum dry density, compaction coefficient, optimal loose paving thickness, optimal compaction thickness, optimal mechanical combination, optimal rolling pass and the like.
S2, based on the roadbed filling half-width construction, releasing the side pile position of the road at the road boundary and implanting the side pile, after the roadbed is trimmed by a bulldozer and a leveler, every 100m 2 Placing an auxiliary measuring device 100, setting the optimal loose thickness and the optimal compacted thickness according to the test result, and fixing;
s3, backfilling construction is carried out, the backfilling thickness cannot exceed the optimal loose paving thickness set on the auxiliary measuring device 100, namely the height of the marking piece 130 in principle, the backfilling thickness is checked through a graduated scale in the construction process more visually, and the measuring times of instruments are reduced;
s4, shaping and rolling the road roller, and determining the thickness change value of the soil layer according to the scale change on the marking piece 130 in the construction process until the design requirement is met;
s5, in the process of taking out the auxiliary measuring device 100, the handle 170 should be slowly lifted and slowly rotated to reduce disturbance to soil around the auxiliary measuring device 100 as much as possible, a hole formed after the device is taken out is sealed to protect a person to be tested to detect the compaction degree of the roadbed (sand filling method), and the operations of backfilling and compacting in two layers and later are repeated until roadbed construction is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (8)
1. An auxiliary measuring device for subgrade compaction, comprising:
the inner cavity of the fixed cylinder is provided with an elastic piece;
the scale mark is arranged on the outer wall of the fixed cylinder;
the marking piece is acted by the elastic piece so as to enable the marking piece to be capable of stretching and moving in a space range between the inner cavity of the fixed cylinder and the outer part of the fixed cylinder, and an indicating structure for indicating the scale marks is fixedly arranged on the marking piece;
wherein the marking structure indicates that the scale mark forms a first reading when the fixed cylinder is placed in a roadbed soil layer; in the process that the roadbed soil layer is compacted, the marking piece can move downwards to drive the marking structure under the driving of the compaction, the indicating structure indicates the scale marks to form a second reading, and then the change condition of the compaction thickness is determined according to the difference value of the first reading and the second reading.
2. An auxiliary measuring device as claimed in claim 1, wherein the end of the indicator remote from the resilient member is provided with locating formations for locating within the layer of said earthen formation.
3. The auxiliary measuring device of claim 1, wherein the locating structure is a wedge.
4. The auxiliary measuring device as claimed in claim 1, wherein the inner wall of the fixed cylinder is provided with a movable groove for the telescopic movement of the indicator.
5. The auxiliary measuring device as claimed in claim 1, further comprising an observation assembly, wherein the observation assembly comprises a positioning seat for fitting to an outer wall of the fixed cylinder and a periscope unit fixed to the positioning seat.
6. An auxiliary measuring device as claimed in claim 5, wherein said positioning seat comprises a transparent plate and a chuck fixed on said transparent plate.
7. The auxiliary measuring device as claimed in claim 1, wherein the bottom of the fixed cylinder is provided with a bracket.
8. The auxiliary measuring device as claimed in claim 1, wherein a handle is provided on the top of the fixed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311677.1A CN114808900A (en) | 2022-03-28 | 2022-03-28 | Auxiliary measuring device for roadbed compaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311677.1A CN114808900A (en) | 2022-03-28 | 2022-03-28 | Auxiliary measuring device for roadbed compaction |
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| CN114808900A true CN114808900A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210311677.1A Pending CN114808900A (en) | 2022-03-28 | 2022-03-28 | Auxiliary measuring device for roadbed compaction |
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