As you have asked about the syllabus for RRB Junior Engineer for civil engineering, check below for the information

Exam Pattern:
There will be an Objective Type Multiple Choice Question in the Written Exam for Junior Engineer (JE).
Written exam will consists of Total 150 Questions.
Time Duration for Written exam is two Hours.
There will be Negative Marking of 1/3 Marks in the written exam.
90 Questions will be asked from Technical Ability & General Science.
60 Questions will be from General Awareness, Arithmetic, General Intelligence and Reasoning
BuildingMaterials, Estimating, Costing and Valuation, Surveying, Soil Mechanics, Hydraulics,
Transportation Engineering, Environmental Engineering.

Building Materials:

Physical and Chemical properties, classification, standard tests, uses and manufacture/ quarrying of materials e.g.building stones, silicate based materials, cement (Portland), asbestos products, timber and wood based products, laminates, bituminous materials, paints, varnishes.

Estimating, Costing and Valuation:

estimate,glossary of technical terms, analysis of rates , methods and unit of measurement,
Items of work - earthwork, Brick work (Modular & Traditional bricks), RCC work, Shuttering,
Timber work, Painting, Flooring, Plastering. Boundary wall, Brick building, Water Tank,
Septic tank, Bar bending schedule, Centre line method, Mid-section formula , Trapezodial formula, Simpson's rule. Cost estimate of Septic tank, flexible pavements , Tube well,
isolates and combined footings, Steel Truss, Piles and pile-caps. Valuation - Value and
cost, scrap value , salvage value, assessed value, sinking fund, depreciation and obsolescence, methods of valuation.

RRB Junior Engineer Civil Engineering Syllabus