Manufactured concrete pavement surface uses conventional grinding equipment in two phase operation. Mtag volume ii rigid pavement preservation 2nd edition. Pavement management pm handles all many pavement data collection activities, all pavement data processing and analysis responsibilities, and several reporting functions which support several mdsha business plan goals and performance measures. Inplace recycling funding memo 081909 pdf disposal site memo 12012001 pdf guidelines for paving over existing striping, markings, and pavement markers 02011999 pdf use of lcca for pavements 0307. This grooving and that at highspeed turnpike turnoffs is commonly onefourth inch wide and onefourth inch deep at one and onefourth inch spacings. The current practices of pavement grooving design, being based on either experience or past practice, do not offer information such as the safety factor or safety margin against hydroplaning. Different pavement types use different types of joints and reinforcement to control the forces acting on the concrete pavement. Rigid pavement analysis and design fhwa us department of. The effectiveness of a pavement groove design against hydroplaning can be assessed by its ability to raise the hydroplaning speed, which is the vehicle speed at which hydroplaning occurs. Effectiveness of transverse and longitudinal pavement. Grooving, grinding, cold milling whats the difference. In rigid pavement, load is distributed by the slab action, and the pavement behaves like an elastic plate resting on a viscous medium figure 4. Signs installed on some sections of highway indicate that the highway surface has been grooved when it has, in fact, been cold milled by equipment using.
A rigid pavement is constructed from cement concrete or reinforced concrete slabs. Comparison is made of the difference between the coefficients of friction for speeds of 20 and of 80 kmh with a mean depth of grooving. As a general guide, factors elaborated in section 3. Safety may also be improved by grooving the pavement surface. Guidance for the removal and disposal of concrete pavement grooving and grinding residues august 7, 2006 pdf memos. Pdf transverse pavement grooving against hydroplaning. Dib 8102, october 2, 2019 pdf guidance for the removal and disposal of concrete pavement grooving and grinding residues. Muldoon port of new york authority summary in august of 1967, the port of new york authority completed the grooving of essen tially the entire surface of runway 4r22l at john f. The rigid pavement has rigidity and high modulus of. Definitions of typical terms used to describe the grinding and grooving process are listed below refer also to clause 1.
Removal of thin layer of concrete surface to restore smoothness and friction. Faa pavement standards help protect this investment by ensuring pavements last as long as possible with the least amount of maintenance. Some of the advantages of a diamond ground pavements and its construction. In many countries in which the grooving of concrete pavement is the most commonly used antiskid durability technology, groove dimensions. The use of grooving in the pavement surface is a common approach to improve wet weather skid resistance and reduce hydroplaning risk. Approach sections pavement which is located within 15m of bridges or other structures.
Rigid pavement repair larry scofield international grooving and grinding association. Pm runs optimization routines several times per year in the fund 77 program to determine among. This report will be of interest to engineers involved in rigid pavement design and anal ys i s. Dib 84, august 7, 2006 pdf concrete pavement guidance. Bridge slab grooving shall be cut not less than 18 inches nor. The design of rigid pavement is based on providing a structural cement concrete slab of sufficient strength to resists the loads from traffic. Rdgn042 pavement design for carriageway construction page 7 of 42 pavement type for different sections andor different lanes on the same road. For more information about grooving the reader may contact. Guidelines for transverse grooving in surface texturing of concrete pavement, transportation research board 85th annual meeting, washington, d. It is the key reason of why the semirigid pavement has become more and more popular. Routieres on slipperiness was on deep transverse grooving of fresh cement concrete. Grooving has significantly reduced accidents on pavements that exhibit a low coefficient of friction or high accident rate. Types of pavement flexible pavements and rigid pavements. Jul 02, 2014 grooving and grinding and associated concrete pavement restoration techniques are elements of the pavement preservation tool box used by government agencies to prolong pavement life.
Subbase thickness10 subbase modulus30,000 psi subgrade m r10,000 psi to get k. Highway pavement grooving shall be cut not less than 316 inches nor more than 516 inches deep. Section 5 rigid pavement construction standard specification for urban infrastructure works 51 edition 1, revision 0 september 2002 contents 5 rigid pavement construction 53 5. Grooving is done with machines equipped with cutting heads composed of multiple 12 inch diameter diamond tipped cutting blades. Maintenance and rehabilitation is to be properly done to. Cut across the e sb cut across m r to the tl vertically meet other line read kvalue k600pci topic 10 aashto rigid pavement design figure 12. The uniform groove thus created, controls transverse cracking and. The semirigid pavement with higher performances for roads.
See for full report state of california department of transportation division of engineering services materials engineering and testing services office of rigid pavement and structural concrete. To solve this problem westergaard 1925 assumed that a rigid pavement could be considered as a slab. Several test sections were constructed, and their behavior was followed for over 10 years. More than half of all airport improvement program funds go toward constructing or rehabilitating runways, taxiways, and aprons. Technical report documentation page transportation. Creation of channels in concrete pavements to reduce. The device utilized shall be a model listed on division approved product listing. Due to this property of pavement, when the subgrade deflects. A texture commonly constructed in combination with burlap drag to produce transverse grooves in the plastic. Fast touchdown at 150 knots 0 10 20 30 40 50 60 0 0.
Elastic layered theory cant be applied for jointed rigid pavements due to the fact that one of the assumptions of the layered theory was that layers are infinitely long in horizontal direction no effect of discontinuity at joints. Flush grinding grooving combines smoothness of diamond grinding and hydroplaning reduction of grooving into a lownoise surface new and rehabilitated pavements 9. The grind and groove gng texturing of concrete pavement surfaces is a new. Practices vary from state to state, but dowel bars are typically required in eightinch or thicker pavements. Grouted concrete roads are in the category of semirigid pavements. Nov 05, 2016 rigid pavementrigid pavement 21 rigid pavements, though costly in initial investment, are cheap in long run because of low maintenance costs, the cost of construction of single lane rigid pavement varies from 35 to 50 lakhs per km in plain area, rigid pavement have deformation in the sub grade is not transferred to subsequent layers.
Maintenance technical advisory guide mtag volume ii rigid. Guide to using existing pavement in place and achieving long life. Conclusion rigid pavement distress is a serious issue all over the world, the distresses causes some serious problems at wide range. Grooving must be in the transverse direction iot provide the most efficient path for the removal of water from under an aircraft tyre at speed and subsequently reduce the risk of aquaplaning. Concrete pavement construction basics placing dowel baskets dowel bars transfer heavy loads across joints in the pavement, preventing faulting at the joint that can lead to pavement damage. Evaluation of grind and groove next generation concrete surface. This pressure deformation characteristics of rigid pavement lead westergaard to the define the term radius of relative stiffness in cm is given by the equation. Deep transverse grooving consists of imprint ing into the pavement surface 5 to 7mmdeep grooves, 15 to 30 mm apart. Rigid pavement crosssection minor variations in subgrade strength have little influence on the structural capacity of a rigid pavement. The resulting finished surface of the safety edge shall be sufficiently consolidated so as to.
Research on grooved concrete pavement based on the durability. Chapter 1 introduction pdf chapter 2 surface characteristics pdf chapter 3 strategy selection pdf chapter 4 joint resealing and crack sealing pdf chapter 5 diamond grinding and grooving pdf chapter 6 dowel bar retrofit pdf chapter 7 partial depth concrete repair pdf chapter 8 full depth concrete repair pdf 300 kb. A project description form pdf was prepared for state agencies interested in. Pavement grooving reduces accidents concrete construction. Grooving and grinding and associated concrete pavement restoration techniques are elements of the pavement preservation tool box used by government agencies to prolong pavement life. The depth of the grooves, at distances of 15 to 30 mm, should be a minimum of 6 mm at the time of construction, so that the mean depth after traffic wear over two or three years would be in the order of 2 mm.
Rigid pavementrigid pavement 21 rigid pavements, though costly in initial investment, are cheap in long run because of low maintenance costs, the cost of construction of single lane rigid pavement varies from 35 to 50 lakhs per km in plain area, rigid pavement have deformation in the sub grade is not transferred to subsequent layers. Pavement design manual volume i flexible pavements 6. In the design of a rigid pavement, the flexural strength of concrete is the major factor and not the strength of subgrade. Design of rigid pavement the soil sub grade is a layer of natural soil prepared to receive the other layers of the pavement the loads on the pavements are ultimately taken by the soil sub grade and dispersed to the earth mass below. National academies of sciences, engineering, and medicine. Pavement rehabilitation and asphalt overlay design manual 8.
Figure 51 concrete pavement surface after diamond grinding. Maintenance technical advisory guide mtag volume ii. Pavement design manual volume ii rigid pavements 7. Maintenance and rehabilitation is to be properly done to prevent the distresses in rigid pavement. For more information about grooving the reader may contact the international grooving and grinding association at 5187317450. Bridge slab grooving shall be cut not less than 18 inches nor more than 316 inches deep. When the total specified lift thickness of pavement is 1.
Diamond grinding and grooving wisconsin concrete pavement. Therefore it is very important to design and construct each layer with. Continuous diamond grooving of concrete pavement will be measured by the square yard of surface area grooved and accepted, within the limits shown on the plans. Jun 04, 2016 conclusion rigid pavement distress is a serious issue all over the world, the distresses causes some serious problems at wide range. Grooving should extend in the longitudinal direction for the full length of the rwy between the rwy end markings, unless. Rigid pavements are constructed by portland cement concrete pcc and should be analyzed by plate theory instead of layer theory, assuming an elastic plate resting on viscous foundation. Prevention of rigid pavement distress is a challenge to the engineers. Grouted concrete roads are in the category of semi rigid pavements. Signs installed on some sections of highway indicate that the highway surface has been grooved when it has, in fact, been cold milled by equipment using carbidetipped teeth to cut the surface. If proper maintenance is not employed at low levels of deterioration, in a timely manner, acute degradation of pavement serviceability will occur and major repair costs may be needed. Pccprepair techniques fulldepth repair partialdepth repair. Mtag volume ii rigid pavement preservation 2nd edition caltrans division of maintenance chapter 5diamond grinding and grooving december 19, 2007 53 diamond grooving diamond grooving is a surface restoration procedure which can be performed on both pcc and hotmix asphalt pavements. Introduction to rigid pavement design ced engineering.