Method of determining a dimension of a sample of a construction material and associated apparatus

• US 8,185,344 B2
• Filed: 05/28/2008
• Issued: 05/22/2012
• Est. Priority Date: 06/17/2003
• Status: Active Grant

• Current Assignee: Troxler Electronic Laboratories, Inc.
• Original Assignee: Troxler Electronic Laboratories, Inc.
• Inventors: Troxler, Robert Ernest, Pratt, James Daniel Jr.
• Primary Examiner(s): Khuu, Cindy H
• Application Number:
  US12/128,556
• Publication Number:
  US 20080249738A1
• Time in Patent Office: 1,455 Days
• Field of Search: 702/156, 702/33, 702/155, 702/159, 702/167, 702/168, 702/171, 702/172, 731/05, 356/600, 356/601
• US Class Current: 702/156
• CPC Class Codes: G01B 21/20 for measuring contours or curvatures, e.g. determining profile
• CPC Class Codes: G01N 2009/024 the volume being determined directly, e.g. by size of container
• CPC Class Codes: G01N 33/383 Concrete or cement
• CPC Class Codes: G01N 33/42 Road-making materials G01N33/38 takes precedence
• CPC Class Codes: G01N 9/02 by measuring weight of a known volume

Abstract

An apparatus for determining a dimension of a construction material is provided. At least one material-interacting device is configured to interact with the construction material so as to determine at least one surface characteristic thereof. A computer device is configured to be capable of receiving the at least one surface characteristic from the at least one material-interacting device, and to manipulate the at least one surface characteristic so as to form a multi-dimensional representation of the construction material. The computer device is further configured to determine the surface or volume characteristic of the construction material from the multi-dimensional representation thereof. By determining the mass of the construction material, the density of the construction material can be provided. An associated method is also provided.

Claims

1. An apparatus adapted to determine at least one macroscopic surface characteristic of a roadway surface material, said apparatus comprising:

at least one material-interacting device and computer device configured to;

(a) interact with the roadway surface material in situ for determining at least one surface dimension measurement thereof; and

(b) manipulate the at least one surface dimension measurement so as to determine at least one of a macro texture characteristic and a micro texture characteristic of the roadway surface material,

wherein the at least one material-interacting device is configured to determine the at least one surface dimension measurement of the roadway material using a light for interacting with the roadway surface material and the computer device is configured to be capable of determining a representative surface dimension from a plurality of the at least one surface dimension measurement;

wherein the roadway surface material is an exposed surface.

2. An apparatus according to claim 1 wherein the at least one material-interacting device is configured to determine the at least one of a macro texture characteristic and a micro texture characteristic of the roadway surface material using at least one of sound, ultrasound, light, and radiation for interacting with the roadway surface material.

3. An apparatus according to claim 1 wherein the at least one sample-interacting device further comprises at least one sample-imaging device and the at least a macro texture characteristic and a micro texture characteristic further comprises at least a partial image of the roadway surface material.

4. An apparatus according to claim 1 wherein the at least one material-interacting device comprises at least one of a profiler device and a material-imaging device.

5. An apparatus according to claim 1 wherein the at least one material-interacting device is configured to interact with the roadway surface material without contacting the roadway surface material to determine the at least one measurement thereof.

6. An apparatus according to claim 1 wherein the computer device is configured to determine a measure of any of a surface void, a surface irregularity, a surface dimension, a surface coordinate, texture, a surface feature, a shape feature, a length, a depth, volume, an area, height, thickness, and angularity.

7. An apparatus according to claim 1 wherein the computer device is configured to be capable of determining at least one of a texture and a roughness of the roadway surface material from the at least one measurement determined by the at least one material-interacting device.

8. An apparatus according to claim 1 wherein the at least one of a macro texture characteristic and a micro texture characteristic is a mean texture depth characteristic of the roadway surface material.

9. An apparatus according to claim 1 wherein the at least one of a macro texture characteristic and a micro texture characteristic is a root mean square depth characteristic of the roadway surface material.

10. An apparatus according to claim 1 wherein the at least one of a macro texture characteristic and a micro texture characteristic is a mean profile depth characteristic of the roadway surface material.

11. An apparatus according to claim 1 wherein the at least one material-interacting device comprises a laser configured to generate light to interact with the roadway surface material for determining at least one measurement thereof.

12. An apparatus according to claim 1 wherein the at least one material-interacting device comprises an optical system configured to receive light that has interacted with the roadway surface material for determining at least one measurement thereof.

13. An apparatus according to claim 12 wherein the optical system is configured to utilize a stereo-vision technique for determining the at least one measurement of the roadway surface material.

14. An apparatus according to claim 1 wherein the at least one of a macro texture characteristic and a micro texture characteristic is a transformation between a mean texture depth and a mean profile depth of the roadway surface material.

15. An apparatus according to claim 1 wherein the at least one of a macro texture characteristic and a micro texture characteristic comprises at least one of a dimension, a texture, a roughness, a void identification, a void quantification, an irregularity identification, and an irregularity quantification.

16. A method of determining at least one macroscopic surface characteristic of a roadway surface material, comprising:

interacting with the roadway surface material in situ with at least one material-interacting device for determining at least one surface dimension measurement thereof;

manipulating the at least one surface dimension measurement for determining at least one of a macro texture characteristic and a micro texture characteristic of the roadway surface material;

using a light to interact with the roadway surface material for determining the at least one of a macro texture characteristic and a micro texture characteristic of the roadway surface material; and

determining a representative surface dimension from a plurality of the at least one surface dimension measurement;

wherein the roadway surface material is an exposed surface.

17. A method according to claim 16 wherein determining at least one of a macro texture characteristic and a micro texture characteristic of the roadway surface material sample further comprises determining at least a texture characteristic of the roadway surface material sample with at least one sample-interacting device using at least one of sound, ultrasound, light, and radiation.

18. A method according to claim 16 wherein determining at least one measurement of the roadway surface material comprises determining the at least one measurement of the roadway surface material with at least one material-interacting device comprising at least one of a profiler device and a material-imaging device.

19. A method according to claim 16 wherein determining at least one measurement of the roadway surface material comprises determining at least a partial image of the roadway surface material with at least one material-imaging device.

20. A method according to claim 16 wherein determining at least one measurement of the roadway surface material comprises determining the at least one measurement of the roadway surface material without contacting the at least one material-interacting device with the roadway surface material.

21. A method according to claim 16 further comprising determining a measure of any of a surface void, a surface irregularity, a surface dimension, a surface coordinate, texture, a surface feature, a shape feature, a length, a depth, volume, an area, height, thickness, and angularity.

22. A method according to claim 16 comprising determining at least one of a texture and a roughness of the roadway surface material from the at least one measurement determined by at least one material-interacting device.

23. A method according to claim 16 wherein the at least a texture characteristic is a root mean square depth characteristic of the roadway surface material.

24. A method according to claim 16 wherein the at least one of a macro texture characteristic and a micro texture characteristic is a transformation between a mean texture depth and a mean profile depth of the roadway surface material.

25. A method according to claim 16 wherein the at least one of a macro texture characteristic and a micro texture characteristic is a mean texture depth characteristic of the roadway surface material.

26. A method according to claim 16 wherein the at least one of a macro texture characteristic and a micro texture characteristic is a mean profile depth characteristic of the roadway surface material.

27. A method according to claim 16 comprising utilizing a laser to generate light for determining the at least one measurement.

28. A method according to claim 16 wherein the at least one of a macro texture characteristic and a micro texture characteristic comprises at least one of a dimension, a texture, a roughness, a void identification, a void quantification, an irregularity identification, and an irregularity quantification.

29. An apparatus adapted to determine at least one macroscopic surface characteristic of a roadway surface material, said apparatus comprising:

at least one material-interacting device configured to be moved relative to the roadway surface material and computer device configured to;

(a) interact with the roadway surface material in situ for determining at least one surface dimension measurement thereof; and

(b) manipulate the at least one surface dimension measurement so as to determine at least a macro surface characteristic of the roadway surface material,

wherein the at least one material-interacting device is configured to determine the at least one of a macro texture characteristic and a micro texture characteristic of the roadway surface material using at least one of sound, ultrasound, light, physical contact, and radiation for interacting with the roadway surface material and the computer device is configured to be capable of determining a representative surface dimension from a plurality of the at least one surface dimension measurement;

wherein the roadway surface material is an exposed surface.

30. An apparatus according to claim 29 wherein the at least one of a macro surface characteristic comprises a texture.

31. A method of determining at least one macroscopic surface characteristic of a roadway surface material, comprising:

interacting with the roadway surface material in situ with at least one material-interacting device for determining at least one surface dimension measurement thereof; and

manipulating the at least one surface dimension measurement for determining at least one of a macro texture characteristic and a micro texture characteristic of the roadway surface material with at least one sample-interacting device using at least one of sound, ultrasound, light, physical contact, and radiation and determining a representative surface dimension from a plurality of the at least one surface dimension measurement;

wherein the roadway surface material is an exposed surface.

32. A method according to claim 31 wherein the at least one of a macro surface characteristic and a micro surface characteristic comprises a texture.

33. The method according to claim 31, wherein interacting with the roadway surface material comprises interacting with the roadway surface material with at least one material-interacting device in a first position relative to the roadway surface material and in a second position relative to the roadway surface material in which the material-interacting device is moved about the roadway surface material from the first position to the second position.

34. The method according to claim 31, wherein interacting with the roadway surface material comprises interacting with the roadway surface material with at least one light source in a first position relative to the roadway surface material and in a second position relative to the roadway surface material in which the light source is moved about the roadway surface material from the first position to the second position.

35. An apparatus adapted to determine at least one macroscopic surface characteristic of a roadway surface material, said apparatus comprising:

at least one material-interacting device configured to be movable relative to the roadway surface material and computer device configured to;

(a) interact with the roadway surface material in situ for determining at least one surface dimension measurement thereof;

(b) manipulate the at least one measurement so as to determine at least a macro texture characteristic of the roadway surface material; and

(c) determine a representative surface dimension from a plurality of the at least one surface dimension measurement;

wherein the roadway surface material is an exposed surface.

36. The apparatus according to claim 35, wherein the computer device is configured to be capable of determining at least one of a texture and a roughness of the roadway surface material from the at least one measurement determined by the at least one material-interacting device.