gradation of mix seal surfacing

SPECIAL SPECIFICATION 3250 Emulsified Asphalt Slurry …

seal for payment shall be placed until a mix design has been approved by the Engineer. Compatibility of the aggregate, emulsion, mineral filler, and other additives shall be ... published by the International Slurry Surfacing Association (ISSA) contains ... gradation used on the project may vary from the aggregate gradation in the mix design on ...


PART 00700 - WEARING SURFACES Section 00705 - Asphalt ...

00706.15 Job Mix Formula (JMF) - Prior to the pre-construction conference, submit a signed slurry seal mix design for the specific materials to be used on the Project. Show the percentages of each individual material required on the mix design report. The complete mix design shall be made with the same aggregate gradation that will be used on the


Micro Surfacing Quality Construction

mix design at similar proportions . All three agencies specify similar aggregate gradation types. These gradations follow the International Slurry Surfacing Association's (ISSA's) recommended gradation guidelines, with some minor variations present in the sieve size ranges. Additionally, Caltrans does not specify a percentage passing range for


Evaluation of Otta Seal Surfacing for Low-Volume Roads …

The existing hot-mix asphalt (HMA) surface had only ... • Gradation is the most critical property for aggregate selection, and because the allowed aggregate gradation limits vary over a wide range, the selected Otta seal ... Evaluation of Otta Seal Surfacing for Low-Volume Roads in Iowa Author:


Cold Mix Asphalt | Asphalt | Road Surface

Gradation and Properties of Aggregates. ... 85 70 9800 7280 0.99 0.74 Dressing Premix Carpet + Seal 116 116 9100 8645 1.02 0.91 Coat Mix Seal Surfacing 95 95 8700 8580 1.16 0.92 Semi-Dense 134 134 11000 11000 1.63 1.32 Bituminous Concrete Comparative Cost of Bituminous Surfacings With Emulsion vis-a-vis Hot Bitumen ...


Recommended Performance Guidelines - Montana

The job mix (target) gradation shall be within the gradation band for the desired type. ... experience in designing Emulsified Asphalt Slurry Seal Surfacing. After the mix design has been approved, no substitution will be permitted unless approved by the B.A.R.


(PDF) Permeability Characteristics of Bituminous Premix ...

Seal Surfacing (MSS) in 2008 which incorporated the PMC and the sand seal in one hot mix rather than two different applications. The MSS has two gradations: T ype A and T ype B.


STANDARD CONSTRUCTION SPECIFICATIONS FOR ASPHALT …

Division 40 – Asphalt Surfacing Revised 11/08 SECTION 40.02 SEAL COAT Article 2.1 Description The Work under this Section consists of the performance of all Work required for the construction of a seal coat of asphalt cement and cover aggregate on RAP, strip-paved, and gravel surfaces. Article 2.2 Asphalt


Chip Seal - International Slurry Surfacing Association

Multiple applications commonly use different sizes of aggregates, typically decreasing in gradation size as each layer is applied, to help "lock" the applications together. Additionally, Chip Seal is commonly used as the first layer in the application of a Cape Seal project, utilizing either Slurry Seal or Micro Surfacing as the surface course.


CHAPTER 8 SLURRY SEALS - CSU, Chico

Slurry seals are a mixture of asphalt emulsion, graded aggregates, mineral filler, water and other additives. The mixture is made and placed on a continuous basis using a travel paver (Slurry Surfacing Machine). The travel paver meters the mix components in a predetermined order into a pug mill.


507 SLURRY SEAL AND MICRO-SURFACING - SHA MediaWiki

Residual asphalt content and gradation will be determined in accordance to T 30 and T 164, or T 308. The residual asphalt content shall be within +/- 1.5 percent of the Job Mix Formula (JMF). ... 507.04.03 Micro-Surfacing Using Type II Mix (One Coat). 507.04.04 Micro-Surfacing Using Type III Mix ... Q = Quantity of Slurry Seal or Micro ...


Materials Sampling Guide

Jul 01, 2021· Plasticity Index & Gradation. 4-3 . SECTION 5 – Cold Mix Bituminous Surfacing, Base, and Cold Recycled Bituminous. 1 Subgrade Sand – Gradation 5-1 2 Mineral Filler – Plasticity Index & Gradation. 5-1 3 Combined Materials (Sand and Filler) – Gradation & Moisture. 5-2


Recycled Asphalt Mixes - McAsphalt – THE RIGHT MIX

During the design process, two key factors are needed: a well-coated mix and a mix with adequate strength and stability to be able to handle the expected traffic load and volume. A recycled asphalt mix typically requires an emulsion content of 1.0 to 4.0% (depending on the design parameters), a minimum of 2500 N stability at 25°C, and air ...


TDOT - ROADWAY DESIGN GUIDELINES English Revised: …

4-405.00 computations for bituminous seal coat (chip seal) 4-405.01 use of bituminous seal coat (chip seal) along edge of paved shoulder while making lane shifts during construction 4-406.00 computations for bituminous seal coat (split application) 4-411.00 computations for asphaltic concrete surface (hot mix)


ALTERNATIVE SURFACING TECHNIQUES

alternative surfacing techniques Following a brief review of surface dressing materials, this paper focuses on the use of "super-slurries," polymer-modified, cold-applied surface treatment. A brief history of the slurry seal process reveals that the "super-slurries" were formulated mainly in Germany and France, and were introduced in the U.K ...


IRC SP 078: Specifications for Mix Seal Surfacing (MSS ...

Title of Legally Binding Document: Specifications for Mix Seal Surfacing (MSS) Close-Graded Premix Surfacing (CGPS) LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal Nehru Invent a new India using knowledge.--Satyanarayan Gangaram Pitroda. Translations.


Otta Seal Surfacing of Aggregate Roads

Equipment: Equipment required for Otta seal construction includes: asphalt distributor, chip spreader, pneumatic-tired roller, and mechanical broom. Placement Process: The bituminous binding agent is sprayed onto the prepared working surface by the distributor; then, the graded aggregate is spread onto the surface using an aggregate spreader.


Close-Graded Premix Surfacing / Mixed Seal Surfacing (MSS ...

Sieve analysis of Aggregates of Close-Graded Premix Surfacing / Mixed Seal Surfacing (MSS) (Type A), Grain Size Analysis of Aggregates – Particle Size Distribution Test. Test for grain size analysis or sieve analysis of aggregates are done to determine its particle size distribution, fineness modulus, effective size and uniformity coefficient.


TYPICAL SPECIFICATION FOR MICRO-SURFACING: ROADS

International Slurry Surfacing Association Type II gradation slurry is specified. The target mix design will fall within the ranges specified on page 2. Stockpile tolerances are established from the target mix design. Sieve Passing Tolerance % 3/8" 100 No. 4 90-100 +/-5 No.8 65-90 +/-5 No. 16 45-70 +/-5 No.30 30-50 +/-5 No.50 18-30 +/-4


SECTION 02700 SLURRY SEAL PART 1 - GENERAL 1.1 Scope …

Emulsified Asphalt Slurry Seal Surfacing. 1.2 Description The slurry seal shall consist of a mixture of an approved emulsified asphalt, mineral aggregate, water and specified additives, proportioned, ... The job mix (target) gradation shall be within the gradation band for the desired type. After the target gradation has been submitted


Micro-Surfacing – West-Can Seal Coating Inc.

Micro-surfacing is a mixture of polymer modified asphalt emulsion, manufactured aggregate, portland cement, water and liquid additives. The mixture is proportioned according to specifications and laboratory mix design. Micro-surfacing is a quick set, quick traffic system that is able to accept traffic after a short period of time.


Division 9 Materials

2022 Standard Specifications M 41-10 Page 9-1 Division 9 Materials 9-00 Definitions and Tests 9-00.1 Fracture "Fractured aggregate is defined as an angular, rough, or broken surface of an aggregate


Chapter 4 Bases

Some projects, typically ones with a large quantity of crushed surfacing, will require the water be added to the surfacing by the central mix plant method. With this method, the amount of water added can be closely controlled and mixed thoroughly with the aggregate. This will result in a material that is uniform both in gradation and water content