Rock-filled roadbed pore measuring instrument and rock-filled roadbed pore measuring equipment

Abstract

The utility model provides a rock-filled roadbed pore measuring instrument and rock-filled roadbed pore measuring equipment, and relates to the technical field of roadbed construction quality detection. The rock-filled roadbed porosity measuring instrument comprises a measuring barrel and a seat plate, the measuring barrel is used for containing liquid, and the measuring barrel is provided with a liquid outlet. The seat plate is provided with a through hole, and a lantern ring is convexly arranged on the inner wall of the through hole. The measuring barrel is matched with the through hole and located on the lantern ring, and the liquid outlet is communicated with the through hole. The rock-filled roadbed pore measuring instrument is not limited by topographic gradient of a detection point, can rapidly measure the volume of a detected sample at the detection point of the roadbed, can calculate the compaction density of the detected sample of the roadbed according to the volume, and thus judges whether the porosity reaches the standard or not, and is high in measurement efficiency and high in measurement precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to roadbed construction quality detection technical field especially fill stone roadbed pore measuring instrument and fill stone roadbed pore measuring equipment. BACKGROUND

[0002] The main method for detecting the porosity of the fill stone roadbed at the present stage is the water bag method, and the test instrument is a "water filling method compaction degree tester". Through field use and observation and summary, it is found that the instrument does not consider the influence of the roadbed transverse slope and longitudinal slope on the test in the actual use process. After filling the test pit with water, due to the self-flowing nature and horizontal characteristics of water, the water surface cannot be in the same plane as the detection surface, resulting in that the test pit cannot be completely filled, leaving pores, and causing the water in the test pit to be unable to accurately measure the test pit volume, the test data to be distorted, the detection result to be small, and the true construction quality to be unable to be reflected, thereby easily forming a quality hidden danger. SUMMARY

[0003] The utility model discloses a kind of fill stone roadbed pore measuring instrument and fill stone roadbed pore measuring equipment, can completely eliminate the measurement error caused by the reason such as ground not level or uneven in measured area, omit the steps such as manual finishing detection area ground topography. Quickly and accurately measure test pit volume, eliminate measurement error, data is accurate, measurement efficiency is high, precision is reliable, so as to truly reflect the roadbed construction quality situation, can avoid the quality hidden danger caused by inaccurate measurement.

[0004] In a first aspect, the utility model provides a kind of fill stone roadbed pore measuring instrument, comprising:

[0005] Measuring barrel, the measuring barrel is used to hold liquid, the measuring barrel is equipped with liquid outlet;

[0006] Seat plate, the seat plate is equipped with through hole, the inner wall of the through hole is provided with a collar;

[0007] The measuring barrel is matched with the through hole, and located on the collar, the liquid outlet is communicated with the through hole.

[0008] In optional implementation, the liquid outlet is equipped with control valve, and the control valve is used to control the opening and closing of the liquid outlet.

[0009] In optional implementation, the measuring barrel includes bottom wall and circumferential side wall connected with the bottom wall, and the liquid outlet is arranged on the bottom wall.

[0010] In optional implementation, the liquid outlet is provided with two, one is arranged at the center of the bottom wall, and the other is arranged relative to the center of the bottom wall;Each liquid outlet is provided with control valve.

[0011] In an optional embodiment, the peripheral sidewall is provided with a scale.

[0012] In an optional embodiment, the measuring barrel is a hollow cylinder, and the through hole is a circular hole.

[0013] In an optional embodiment, the measuring barrel is made of transparent material.

[0014] In a second aspect, the utility model provides a kind of filled rock roadbed pore measuring equipment, including mass meter and the filled rock roadbed pore measuring instrument of any one of preceding embodiment, the filled rock roadbed pore measuring instrument is used to test test pit volume, to calculate the volume of roadbed test sample;The mass meter is used to measure the mass of the roadbed test sample.

[0015] In an optional embodiment, the minimum measurement scale of the mass meter is 1 gram to 5 grams.

[0016] In an optional embodiment, a level is further included, and the level is arranged on the seat plate to calibrate the placement position of the seat plate.

[0017] The filled rock roadbed pore measuring instrument and the filled rock roadbed pore measuring equipment provided by the utility model embodiment have the following beneficial effects:

[0018] The filled rock roadbed pore measuring instrument provided by the utility model embodiment is provided with a matched measuring barrel and a seat plate, the seat plate has a through hole, and a collar is protruded on the inner wall of the through hole.When measuring the volume of test pit, the accommodation volume in the seat plate can be measured first to calibrate the surface of roadbed before measurement, and the measurement error caused by the uneven ground in the measured area can be eliminated, the steps such as manual finishing of the ground terrain of detection area are omitted, the influence of the horizontal slope and vertical slope of roadbed on the test is reduced, the measurement accuracy is improved, the construction quality can be truly reflected, and the quality hidden danger caused by inaccurate measurement is avoided.

[0019] The filled rock roadbed pore measuring equipment provided by the utility model embodiment includes a mass meter and the filled rock roadbed pore measuring instrument, the filled rock roadbed pore measuring instrument can accurately measure the volume of test pit, the mass meter can accurately measure the mass of roadbed test sample, so that the compactness of roadbed test sample can be calculated, whether the porosity meets the requirements can be obtained according to the compactness, the construction quality can be truly reflected, and the quality hidden danger caused by inaccurate measurement is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described in the following description are some embodiments of the present application, and all other drawings obtained by those skilled in the art without creative labor on the basis of these drawings also belong to the protection scope of the present application.

[0021] Fig. 1 The structure schematic diagram of the filled rock roadbed pore measuring instrument provided by the embodiment of the present application is shown in the figure.

[0022] Fig. 2 The structure schematic diagram of the seat plate of the filled rock roadbed pore measuring instrument provided by the embodiment of the present application is shown in the figure.

[0023] Fig. 3 The structure schematic diagram of the measuring barrel of the filled rock roadbed pore measuring instrument provided by the embodiment of the present application is shown in the figure.

[0024] Fig. 4 The result schematic diagram of another view of the measuring barrel of the filled rock roadbed pore measuring instrument provided by the embodiment of the present application is shown in the figure.

[0025] Icon: 100-filled rock roadbed pore measuring instrument; 110-measuring barrel; 111-liquid outlet; 112-ruler; 120-seat plate; 121-through hole; 122-sleeve ring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor also belong to the protection scope of the present application.

[0028] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0029] In the description of the utility model, it needs to be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0030] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "setting", "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0033] In combination Figs. 1 to 4 The utility model embodiment provides a kind of rockfill roadbed pore measuring instrument 100, which can be used for road construction quality detection. The rockfill roadbed pore measuring instrument 100 is mainly used to measure test pit volume, measurement speed is fast, measurement precision is high, measurement result is accurate and reliable, can truly reflect construction quality, eliminate quality hidden danger.

[0034] The rock-filled roadbed pore measuring instrument 100 can quickly measure the volume of a roadbed sample to be detected, so as to calculate the compaction density, determine whether the porosity meets the standard, and has high measurement efficiency and high measurement accuracy.

[0035] Optionally, the liquid outlet 111 is provided with a control valve (not shown in the figure), and the control valve is used for controlling the opening and closing of the liquid outlet 111. It can be understood that the control valve is opened, and the liquid in the measuring barrel 110 can be discharged. The control valve is closed, and the liquid in the measuring barrel 110 can be blocked. In this embodiment, the liquid in the measuring barrel 110 is tap water, of course, in some other embodiments, the liquid can also be the liquid of other substances, which is not limited here.

[0036] Optionally, the measuring barrel 110 includes a bottom wall and a peripheral side wall connected with the bottom wall, and the liquid outlet 111 is arranged on the bottom wall. In this embodiment, the peripheral side wall is a circular ring, and the bottom wall is a circular shape. That is, the measuring barrel 110 is a hollow cylinder. Of course, in some other embodiments, the measuring barrel 110 can also be a hollow cube, a rectangular parallelepiped, a prism with more than five edges, an elliptical cylinder, a semicircular cylinder or other shapes, which is not limited here.

[0037] The shape of the liquid outlet 111 is not limited, which can be circular, elliptical, rhombic, triangular, square, rectangular or other polygons. The number of the liquid outlet 111 can be one or two or more. It can be arranged on the bottom wall or the peripheral side wall, which is not limited here.

[0038] Optionally, the liquid outlet 111 is provided with two, one of which is arranged at the center of the bottom wall, and the other is arranged relatively away from the center of the bottom wall; each liquid outlet 111 is provided with a control valve. In this embodiment, two liquid outlets 111 are provided. One is arranged at the center, and the other is arranged at a position relatively close to the edge, i.e. the two liquid outlets 111 are arranged at intervals on the bottom wall. The liquid outlet 111 is arranged on the bottom wall, which can more conveniently discharge the liquid in the measuring bucket 110 into the through hole 121 of the seat plate 120 during use. The operation is more convenient, the liquid discharge path is short, the gas entering the through hole 121 of the seat plate 120 is reduced, and thus the volume measurement accuracy is improved. In this embodiment, two liquid outlets 111 are provided, and the two liquid outlets 111 are opened at the same time, and the two liquid outlets 111 are watered, which can improve the water injection efficiency, shorten the measurement time, and improve the measurement efficiency. Of course, the liquid outlet 111 is arranged at the bottom, the measuring bucket 110 is directly attached to the seat plate 120, the seat plate 120 is attached to the surface of the detection point, the air is discharged by the gravity of water and the two liquid outlets 111 below the measuring bucket 110, and thus the error caused by the non-horizontal detection surface can be directly eliminated, and thus the volume measurement accuracy is improved. If multiple liquid outlets 111 are provided, the water injection efficiency can be improved. The liquid outlet 111 can also be provided with three, four or more.

[0039] In this embodiment, the control valve is arranged inside the measuring bucket 110. Since in actual use, the seat plate 120 is placed on the roadbed, and the measuring bucket 110 is placed on the seat plate 120, the control valve can only be opened or closed from the inside of the measuring bucket 110.

[0040] Optionally, the measuring bucket 110 is made of transparent material, such as organic glass material. In this way, the liquid level in the measuring bucket 110 can be clearly seen, and the structural strength is good, the service life is long, and it is suitable for outdoor measurement.

[0041] Optionally, the circumferential wall is provided with a scale 112. The scale 112 can clearly see the liquid level in the measuring bucket 110, which is convenient for reading and calculating the water injection volume. It is easy to understand that the measuring bucket 110 is a cylinder, and its bottom area is a fixed value. According to the liquid level before and after water injection, the water injection volume can be calculated.

[0042] In the embodiment, the measuring barrel 110 is a hollow cylinder, and the through hole 121 is a circular hole. The outer diameter of the measuring barrel 110 is about 100 mm to 500 mm, such as 200 mm, 300 mm, or 400 mm. The outer diameter of the seat plate 120 is greater than the outer diameter of the measuring barrel 110. The inner diameter of the through hole 121 on the seat plate 120 is substantially consistent with the outer diameter of the measuring barrel 110. In this way, the measuring barrel 110 is conveniently fitted into the through hole 121 of the seat plate 120. The inner wall of the through hole 121 on the seat plate 120 is provided with a collar 122, which can be integrally formed with the seat plate 120 or connected separately. In the embodiment, the collar 122 is integrally formed with the seat plate 120. The inner diameter of the collar 122 is about 250 mm. It can be understood that the size of the seat plate 120 and the measuring barrel 110 can be flexibly adjusted according to actual testing needs, which is not specifically limited here.

[0043] The thickness of the collar 122 is less than the thickness of the seat plate 120. Optionally, one side surface of the collar 122 is flush with one side surface of the seat plate 120. The other side surface of the collar 122 serves as a landing pad for the measuring barrel 110. In this way, the measuring barrel 110 is conveniently seated and embedded in the seat plate 120, improving air tightness and preventing water from overflowing from above the seat plate 120.

[0044] The utility model provides a kind of filled stone subgrade pore measuring equipment, including quality meter and the filled stone subgrade pore measuring instrument 100 of any one of preceding embodiment, filled stone subgrade pore measuring instrument 100 is used to test test pit volume, to calculate the volume of subgrade test sample, quality meter is used to measure the mass of subgrade test sample. Optionally, the minimum measurement scale of quality meter is 1 gram to 5 gram, can be 1 gram, 2 gram, 3 gram, 4 gram or 5 gram etc., which is not specifically limited here. Optionally, it further includes level, and level is arranged on seat plate 120, for calibrating the placement position of seat plate 120.

[0045] In the embodiment, the use process of the filled stone subgrade pore measuring equipment is as follows:

[0046] Before carrying out construction result detection, it is required to carry out subgrade compaction according to requirements, to determine construction paragraph test sample bulk density, to calibrate weighing instrument.

[0047] Select detection point on subgrade, according to the detection requirement of specification and design drawing, select representative detection point on the road section that has been constructed, detect subgrade compaction quality, not less than 2 points per 200 meters. The ground at measuring point is leveled, and floating soil, stone, sundries and the like are removed; according to the determined test pit diameter, outline line of pit mouth is drawn.

[0048] When measuring the volume of the concave-convex surface of the roadbed surface, the measurement error caused by the slope of the road surface is eliminated. The seat plate 120 is fixed to the leveled ground surface. The polyethylene plastic film is tightly laid along the inner wall of the sleeve 122 and the ground surface. The initial water level height in the measuring bucket 110 is recorded, the measuring bucket 110 is placed on the sleeve 122 of the seat plate 120, the control valve at the liquid outlet 111 of the measuring bucket 110 is opened, and the water is slowly injected from above the sleeve 122 until it is full and does not overflow. The water level height of the measuring bucket 110 at this time is recorded, and the volume V1 of the injected water is calculated according to the difference between the two water level heights. The volume of the water injected in this step is the volume of the seat plate 120 part. In the state of keeping the original position of the seat plate 120 fixed, the water in the film is discharged to a place that does not affect the test, and then the film is removed from the seat plate 120.

[0049] The test pit is excavated. The test sample falling into the pit is loaded into the soil container, and the water content is measured. The mass M of the excavated roadbed test sample is measured by the mass meter.

[0050] The volume of the test pit is measured. In order to make the pit wall and the plastic film easily close, the pit wall needs to be repaired, and then the plastic film is tightly laid along the pit bottom and pit wall. The initial water level height in the measuring bucket 110 is recorded, and the measuring bucket 110 is placed on the sleeve 122 of the seat plate 120. Open two control valves, slowly inject water into the test pit, when the water surface approaches the upper edge of the sleeve 122, adjust the water flow, until the water surface is flush with the upper edge of the sleeve 122, close the control valve, and after the control valve is closed, stand still for 3 to 5 minutes, record the water level height of the measuring bucket 110 at this time. The volume V2 of the water injected in this step is calculated according to the difference between the two water level heights.

[0051] Wherein, V2-V1 is the volume of the roadbed test sample. The compaction density of the roadbed test sample is M / (V2-V1). The compaction density of the accepted roadbed has a preset value, when the measured density of the roadbed test sample is greater than or equal to the preset value, the compaction density is qualified. If the measured density of the roadbed test sample is less than the preset value, the compaction density of the roadbed is unqualified. It is easy to understand that the compaction density and the porosity are in a one-to-one correspondence, and the porosity can be obtained by comparing the calculated compaction density with the relevant construction standard table.

[0052] In order to ensure the accuracy of the test data, the volume of the surface concave pit is measured first in the roadbed hole detection, the measurement error of water level characteristics and under the complex conditions such as horizontal and vertical slopes is considered, in order to eliminate the measurement error, in the embodiment, the measuring barrel 110 is directly attached to the seat plate 120, the seat plate 120 is attached to the detection point surface, the air is discharged through the two liquid outlets 111 below the measuring barrel 110 by using the gravity of water, and then the error caused by the non-horizontal detection surface can be directly eliminated, and the surface concave pit volume and the test pit volume can be accurately measured. The measurement result is more accurate and reliable.

[0053] In summary, the filling rock roadbed hole measuring instrument 100 and the filling rock roadbed hole measuring device have the following beneficial effects:

[0054] The filling rock roadbed hole measuring instrument 100 provided by the embodiment of the utility model, the matching measuring barrel 110 and the seat plate 120 are arranged, wherein the seat plate 120 has a through hole 121, and a sleeve ring 122 is arranged on the inner wall of the through hole 121. When the volume of the test pit is measured, the accommodation volume in the seat plate 120 can be measured first, so that the roadbed surface before measurement is calibrated, the measurement error caused by the non-horizontal or uneven ground in the measured area is eliminated, the steps such as manual finishing of the ground topography of the detection area are omitted, the influence of the horizontal and vertical slopes of the roadbed on the test is reduced, the measurement accuracy is improved, the construction quality can be truly reflected, and the quality hidden danger caused by inaccurate measurement is avoided.

[0055] The filling rock roadbed hole measuring device provided by the embodiment of the utility model comprises a quality measuring instrument and the filling rock roadbed hole measuring instrument 100, the filling rock roadbed hole measuring instrument 100 can accurately measure the volume of the test pit, the quality measuring instrument can accurately measure the mass of the roadbed sample to be detected, so that the compaction density of the roadbed sample to be detected can be calculated, whether the porosity meets the requirements can be obtained according to the compaction density, the construction quality can be truly reflected, and the quality hidden danger caused by inaccurate measurement is avoided.

[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently; any modification, equivalent replacement, improvement, etc. should be included in the protection scope of the utility model.

Claims

1. A fill rock subgrade void meter characterized by, The utility model relates to a kind of filling rock subgrade pore measuring instrument, including: Measuring barrel, the measuring barrel is used to hold liquid, the measuring barrel is equipped with liquid outlet; Seat plate, the seat plate is equipped with through hole, the inner wall of the through hole is provided with collar; The measuring barrel is matched with the through hole, and is located on the collar, and the liquid outlet is communicated with the through hole.

2. The rock-filled subgrade void measurement instrument of claim 1, wherein, The liquid outlet is equipped with control valve, and the control valve is used to control the opening and closing of the liquid outlet.

3. The rock-filled embankment void measurement instrument of claim 2, wherein, The measuring barrel includes bottom wall and circumferential side wall connected with the bottom wall, and the liquid outlet is arranged on the bottom wall.

4. The rock-filled embankment void measurement instrument of claim 3, wherein, The liquid outlet is equipped with two, one is arranged at the center of the bottom wall, and the other is arranged relatively deviated from the center of the bottom wall;Each of the liquid outlet is equipped with control valve.

5. The rock-filled embankment void measurement instrument of claim 3, wherein, The circumferential side wall is equipped with scale.

6. The rock-filled embankment void measurement instrument of claim 1, wherein, The measuring barrel is hollow cylinder, and the through hole is round hole.

7. The rock-filled embankment void measurement instrument of claim 1, wherein, The measuring barrel is made of transparent material.

8. A rock-filled embankment void measurement apparatus, characterized by, Including mass meter and the filling rock subgrade pore measuring instrument of any one of claims 1 to 7, the filling rock subgrade pore measuring instrument is used to test test pit volume, to calculate the volume of subgrade test sample, and the mass meter is used to measure the mass of the subgrade test sample.

9. The rock-filled embankment void measurement apparatus of claim 8, wherein, The minimum measurement scale of the mass meter is 1 gram to 5 grams.

10. The rock-filled embankment void measurement apparatus of claim 8, wherein, It also includes level, which is arranged on the seat plate, for calibrating the placement position of the seat plate.

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