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📋 IS & BIS Standards — Complete Reference List
The following standards govern concrete mix design, material testing, structural design, and production in India. All are published by the Bureau of Indian Standards (BIS) and are available for purchase from the BIS portal or state BIS offices.
Primary Mix Design Standards
IS 10262:2019
Concrete Mix Proportioning — Guidelines (Absolute Volume Method)
ESSENTIALMix DesignIS 10262
IS 456:2000
Plain and Reinforced Concrete — Code of Practice (4th Rev.)
ESSENTIALStructuralExposure
IS 4926:2003
Ready Mixed Concrete — Code of Practice
KEYRMCBatching
Cement Standards (IS)
IS 12269:2013
Specification for 53 Grade Ordinary Portland Cement
OPC 53Cement
IS 8112:2013
Specification for 43 Grade Ordinary Portland Cement
OPC 43Cement
IS 1489:1991 (Part 1)
Portland Pozzolana Cement (Fly Ash Based)
PPCFly AshCement
IS 455:2015
Portland Slag Cement — Specification
PSCGGBSCement
IS 12330:1988
Specification for Sulphate Resisting Portland Cement
SRCSulfateCement
IS 4031
Methods of Physical Tests for Hydraulic Cement (Multi-part)
Cement TestingSg Pt.11
Aggregate Standards (IS)
IS 383:2016
Coarse and Fine Aggregates for Concrete — Specification (3rd Rev.)
KEYGradingFA Zones
IS 2386 (Part 1):1963
Methods of Test for Aggregates — Particle Size and Shape
SieveFMFlakiness
IS 2386 (Part 3):1963
Methods of Test for Aggregates — Specific Gravity, Density, Absorption
KEYSg SSDAbsorption
IS 2386 (Part 4):1963
Methods of Test for Aggregates — Mechanical Properties (ACV, LA)
ACVLA AbrasionImpact
IS 2386 (Part 7):1963
Methods of Test for Aggregates — Alkali-Aggregate Reactivity
ASRAlkali
IS 9142:1979
Specification for Artificial Lightweight Aggregates for Concrete
LWALECALightweight
Supplementary Cementitious Materials (SCMs)
IS 3812:2003 (Part 1)
Specification for Pulverised Fuel Ash — For Use as Pozzolana in Cement, Cement Mortar and Concrete
Fly AshPFASCM
IS 16714:2018
Ground Granulated Blast Furnace Slag for Use in Cement, Mortar and Concrete
GGBSSlagSCM
IS 15388:2003
Specification for Silica Fume
Silica FumeMicrosilicaHPC
Admixtures
IS 9103:1999
Specification for Admixtures for Concrete (1st Rev.)
KEYSPRetarderAEA
Concrete Testing (IS)
IS 516:1959
Methods of Tests for Strength of Concrete
KEYCube TestIS 516
IS 516 (Part 5 / Sec 1):2020
Hardened Concrete — Core Sampling and Testing
Core TestIn-situ
IS 1199:2018
Fresh Concrete — Methods of Sampling, Testing and Analysis
KEYSlumpDensity
IS 13311:1992 (Part 1 & 2)
Non-Destructive Testing of Concrete — Ultrasonic Pulse Velocity & Rebound Hammer
NDTReboundUPV
Water for Concrete
IS 456:2000 Cl.5.4
Water for Concreting and Curing — Requirements under IS 456 Clause 5.4
Water QualityIS 456
Pavement & Highway Codes (IRC)
IRC:58:2015
Guidelines for the Design of Plain Jointed Rigid Pavements for Highways (4th Rev.)
PQCPavementIRC
IRC:SP:49:2014
Guidelines for the Use of Dry Lean Concrete as Sub-base for Rigid Pavement
DLCSub-baseIRC
IRC:112:2020
Code of Practice for Concrete Road Bridges
BridgesIRCM30+
IRC:SP:62:2014
Guidelines for Design and Construction of Cement Concrete Pavements for Low Volume Roads
Rural RoadLVRIRC
International Standards (ACI, EN, ASTM)
ACI 211.1-91 (Reaffirmed 2009)
Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete
ACI Mix DesignUSA
ACI 318-19
Building Code Requirements for Structural Concrete
ACIExposure W S P F C
EN 206:2013+A2:2021
Concrete — Specification, Performance, Production and Conformity
EuropeanExposure XC XD XS
BS 8500-1:2023
Concrete — Complementary British Standard to BS EN 206. Method of Specifying
BritishRC Designation
ASTM C1202
Standard Test Method for Electrical Indication of Concrete’s Ability to Resist Chloride Ion Penetration (RCPT)
RCPTChlorideDurability
ASTM C330
Standard Specification for Lightweight Aggregates for Structural Concrete
LWAASTM
⚠ Accessing IS Standards in India
IS standards are available for purchase from the Bureau of Indian Standards portal at bis.gov.in (online store). Individual standards cost ₹300–1,200 depending on the document. Many engineering colleges and public sector organizations have institutional BIS memberships that provide access to the full BIS catalog. Engineering professionals working on public projects are required to use the current revision — always verify the edition year before use, as several IS standards have been revised since 2015.
🌐 Free Online Resources
BIS — Bureau of Indian Standards
BIS Online Store
Official source for all IS standards. Purchase IS 456, IS 10262, IS 383, IS 516 and all other BIS documents. Institutional membership available.
bis.gov.in/standards/technical-department
IRC — Indian Roads Congress
IRC Publications
Source for IRC:58, IRC:112, IRC:SP:49 and all highway and bridge design codes. Available from irc.nic.in publications section.
irc.nic.in
ACI — American Concrete Institute
ACI Free Resources
ACI offers selected free resources including ACI 318 Building Code (limited preview), technical notes, and the ACI Concrete Terminology PDF — a valuable free reference.
concrete.org/store/productdetail.aspx
NRMCA — National Ready Mixed Concrete Association
Concrete in Practice (CIP) Series
Free downloadable two-page technical guides on concrete topics. Covers water-cement ratio, air entrainment, strength testing, admixtures and more. Excellent quick reference.
nrmca.org/concrete-in-practice
fib — International Federation for Structural Concrete
fib Bulletin Free Downloads
fib Model Code 2020 (overview sections free), selected fib Bulletins on HPC, FRC, service life design. Essential for post-crack residual strength and durability design.
fib-international.org/publications
NPCBEERM / NDMA India
IS 13920 — Seismic Detailing
IS 13920:2016 (Ductile Design of RC Structures) available from BIS. Critical for seismic zone II–V structures — specifies minimum M25 for special moment frames and shear walls.
bis.gov.in
Concrete Centre (UK)
How to Design Concrete Structures — Free Guides
Free downloadable design guides for Eurocode 2 and BS 8500. Useful for engineers working on international or UK-spec projects. Clear worked examples.
concretecentre.com/publications
MixDesignCalc
All Calculators — Free, No Registration
All MixDesignCalc tools are free to use with no account required. M10–M60 grade calculators, foundation, pavement, durability, BS 8500, admixture dosage and more.
This website
📊 Key Reference Tables — IS 10262 & IS 456
IS 456:2000 Table 5 — Exposure Class Requirements
← Scroll
| Exposure | Min Grade | Max w/c | Min Cement (kg/m³) | Cover — Slab | Cover — Beam | Cover — Column |
|---|---|---|---|---|---|---|
| Mild | M20 | 0.60 | 300 | 20mm | 20mm | 40mm |
| Moderate | M25 | 0.50 | 300 | 25mm | 30mm | 40mm |
| Severe | M30 | 0.45 | 320 | 35mm | 45mm | 45mm |
| Very Severe | M35 | 0.40 | 360 | 45mm | 50mm | 50mm |
| Extreme | M40 | 0.35 | 380 | 65mm | 75mm | 75mm |
IS 10262:2019 Table 1 — Standard Deviation by Grade
| Grade Range | Standard Deviation S (MPa) | k×S Margin (k=1.65) | fcm for Min Grade in Range |
|---|---|---|---|
| M10, M15 | 3.5 | 5.78 | M10: 15.78 | M15: 20.78 |
| M20 | 4.0 | 6.60 | 26.60 MPa |
| M25, M30, M35 | 5.0 | 8.25 | M25: 33.25 | M30: 38.25 | M35: 43.25 |
| M40, M45, M50, M55 | 5.5 | 9.08 | M40: 49.08 | M45: 54.08 |
| M60 and above | 6.5 | 10.73 | M60: 70.73 |
IS 10262:2019 Table 2 — Free Water Content (L/m³), Crushed Aggregate
| MSA (mm) | 25–50mm slump | 51–75mm | 76–100mm | 101–125mm | 126–150mm | 151–175mm |
|---|---|---|---|---|---|---|
| 10mm | 208 | 215 | 222 | 228 | 234 | 240 |
| 12.5mm | 200 | 207 | 213 | 219 | 225 | 231 |
| 16mm | 196 | 200 | 206 | 212 | 218 | 223 |
| 20mm | 190 | 196 | 202 | 208 | 213 | 217 |
| 25mm | 184 | 188 | 193 | 199 | 204 | 208 |
| 40mm | 168 | 172 | 176 | 181 | 185 | 189 |
Highlighted row: 20mm MSA — most common for structural concrete. For rounded gravel: subtract ~20 L/m³. For PCE SP (WR%): multiply by (1 − WR/100).
IS 10262:2019 Table 3 — FA% of Total Aggregate Volume
| MSA (mm) | Zone I FA% | Zone II FA% | Zone III FA% | Zone IV FA% |
|---|---|---|---|---|
| 10mm | 40 | 44 | 48 | 52 |
| 12.5mm | 36 | 40 | 44 | 48 |
| 16mm | 34 | 38 | 42 | 46 |
| 20mm | 32 | 36 | 40 | 44 |
| 25mm | 30 | 34 | 38 | 42 |
| 40mm | 28 | 32 | 36 | 40 |
⚡ Formula Quick Reference Card
Target Mean Strength
f_cm = f_ck + 1.65 × S
S from IS 10262 Table 1. k=1.65 for 5% non-conformance (95th percentile). IS 10262:2019 Cl.5.1
Design w/c (Governing)
w/c = min(w/c_strength, w/c_IS456)
w/c_strength: from IS 10262 Fig.1. w/c_IS456: Table 5 by exposure. Use the lower. IS 10262 Cl.5.2
w/c from f_cm (OPC 53)
w/c ≈ 1.78 − 0.0145 × f_cm
Approximation valid for OPC 53, w/c 0.35–0.65. PPC: −0.03. PSC: −0.04. Verify by trial mix.
SP Water Reduction
W_design = W_table × (1 − WR%/100)
WR% from SP product TDS. PCE typical 20–28%. IS 10262 Cl.5.3
Cement Content
C = W / w/c
C_design = max(C, C_min_IS456)
C_min from IS 456 Table 5. Check C_design ≤ 550 kg/m³ (IS 456 Cl.8.2.5). IS 10262 Cl.5.4
Absolute Volume — Each Component
V = mass / (Sg × 1000)
V in m³, mass in kg, Sg dimensionless. OPC: 3.15. FA agg: 2.65. CA: 2.68. Water: 1.0. IS 10262 Cl.5.5
Total Aggregate Volume
V_agg = 1.0 − V_c − V_w − V_air − V_SP
V_air = 0.02 (2% entrapped, no AEA). Sum must = 1.000 m³ ± 0.001. IS 10262 Cl.5.5
FA and CA Masses
FA = V_agg × FA% × Sg_FA × 1000
CA = V_agg × (1−FA%) × Sg_CA × 1000
FA% from IS 10262 Table 3 by MSA and zone. IS 10262 Cl.5.5
Aggregate Moisture Correction
W_batch = W_design − (MC_FA−Abs_FA)/100×FA − (MC_CA−Abs_CA)/100×CA
MC = measured moisture %, Abs = SSD absorption %. IS 10262 Cl.5.6 — mandatory at every batch.
MSA Limits (IS 456 Cl.5.3.1)
MSA ≤ section/4
MSA ≤ 3/4 × clear bar spacing
MSA ≤ cover − 5mm
All three constraints must be satisfied. Use minimum of all three. IS 456:2000 Cl.5.3.1
IS 456 Cl.16 Acceptance
C1: Mean of 4 sets ≥ f_ck + 0.825×S
C2: Individual result ≥ f_ck − 3 MPa
Both conditions must be satisfied. For M30, S=5: C1 ≥ 34.13 MPa; C2 ≥ 27 MPa. IS 456 Cl.16
Standard Deviation (Actual)
S = √[Σ(x_i − x̄)² / (n−1)]
Use with minimum 30 cube test results per IS 10262 Annex B. Update mix design if S differs from Table 1.
📖 Glossary — 30 Key Terms
🔢 All Calculators — Quick Access
🟫M10 Mix DesignLean concrete, blinding PCC, DLC, nominal 1:3:6 vs IS 10262Open →
🔵M30 Mix DesignFull IS 10262:2019 — most common structural gradeOpen →
💪M45 HSC CalculatorHigh-strength with silica fume, ACV check, RCPT estimateOpen →
⚫M60 VHSC CalculatorVery high strength, multi-SCM, aggregate ceiling checkOpen →
🪨Foundation Mix DesignSulfate class, SRC/PSC, blinding, thermal assessmentOpen →
🛣️Pavement PQC/DLCIRC:58, MR governs, AEA, batch per kmOpen →
🛡️Durability FactorIS 456 exposure class, RCPT, carbonation, service lifeOpen →
🏭Cement ContentC = W/w/c, IS 456 limits, SCM effects, sensitivityOpen →
🌐BS 8500 CalculatorBritish Standard, XC/XD/XS/XA/XF, RC designationOpen →
💊Admixture DosageMulti-admixture, SP/retarder/AEA/VMA, compatibility matrixOpen →
🪶Lightweight ConcreteLECA/Sintered FA/Pumice, density class, pre-saturationOpen →
🪡Fiber Reinforced ConcreteSteel/PP/Basalt/Glass fiber, EN 14651 residual strengthOpen →
📚 Educational Guides — Quick Access
📖What is Mix Design?Beginner’s complete guide — method, nominal vs designed, 8 steps, glossaryRead →
⚖️Mix Proportioning BasicsIngredient roles, Abrams’ law, Table 2, FA/CA split, M30 worked exampleRead →
📋Proportioning StepsAll 11 IS 10262 steps with formula boxes, decision trees, report templateRead →
💎High-Performance Mix DesignHPC principles, ITZ, SCMs, PCE, RCPT, chloride diffusionRead →
🇺🇸ACI Procedure OverviewACI 211.1 step by step, Tables 6.3.3/6.3.4/6.3.6, ACI vs IS 10262Read →
❌Common Mistakes Guide30 mix design errors with IS code violations and fixesRead →
📑Reading Test ReportsCube reports, IS 456 Cl.16 acceptance, delivery tickets, RCPT, red flagsRead →
🎓Learning CenterStructured tracks: Beginner → Advanced, grade selector, formula referenceRead →