492 extractive question-and-answer pairs built from Research & Development, published by crridom.gov.in. Every answer is a verbatim span of text the source prints, and each row carries the passage it sits in, its offset in that passage, the source quote, the page and the location in the document, so any row can be checked against the original. 281 of the 492 pairs (57.1%) are explanatory questions and 211 restate a figure. 98.37% of rows pass the corpus quality gate.
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Strong coverage with minor gaps in documentation or freshness.
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First 10 of 492 rows
| question | answer | context | answer_start | question_type | knowledge_quality_score | source_quote | source_page | source_location | confidence | validation_status |
|---|---|---|---|---|---|---|---|---|---|---|
| What does the first recommended option for constructing roads on black cotton soils involve? | the construction of road embankment with geomembrane as an impermeable layer and sand as a fill as well as subgrade material | In light of the foresaid facts, two options for the construction of roads on black cotton soils were recommended. First option is the construction of road embankment with geomembrane as an impermeable layer and sand as a fill as well as subgrade material. Second option would be construction of road embankment with cohesive non-swelling soil (CNS) layer of 300 mm compacted thickness as an impermeable layer with geomembrane at end portion and sand as a fill as well as subgrade material. | 130 | definition | 1.000 | First option is the construction of road embankment with geomembrane as an impermeable layer and sand as a fill as well as subgrade material. | 30 | page=30,block=0 | 0.850 | valid |
| What purpose are the storage yards designed for? | designed for storage of containers using RTG cranes | The crane tracks consist of RCC of M30 Grade whereas the area between tracks was laid with 1:2:4 (M15) concrete. The storage yards were designed for storage of containers using RTG cranes. However, for some years now, the container stacking operation is | 136 | definition | 1.000 | The storage yards were designed for storage of containers using RTG cranes. | 41 | page=41,block=12 | 0.850 | valid |
| What is the purpose of conducting a Static Load Test? | carried out to assess the structural behavior of the superstructure under the superimposed Live Loads | Detailed field studies were under taken to find out the causes of settlement of Approach Slab, bulging of RE walls and occurrence of cracks in the structure using Non-destructive Testing including Static Load Test as per the IRC Standards. Static Load Test was carried out to assess the structural behavior of the superstructure under the superimposed Live Loads. Based on the findings of the field studies, appropriate scheme {s} for rehabilitation are being suggested. | 261 | definition | 1.000 | Static Load Test was carried out to assess the structural behavior of the superstructure under the superimposed Live Loads. | 59 | page=59,block=0 | 0.850 | valid |
| What vehicles were included in the measurement of idling fuel consumption? | carried out on 346 Petrol and Diesel powered vehicles covering Two wheeler motorcycles, Three wheeler, Four wheeler as well as Trucks and Buses | Further, measurement of idling fuel consumption was conducted on vehicles using state of the art on-time fuel flow detector covering different cities. The measurement was carried out on 346 Petrol and Diesel powered vehicles covering Two wheeler motorcycles, Three wheeler, Four wheeler as well as Trucks and Buses. The summary of measured idling fuel consumption for petrol and diesel at controlled conditions of the entire vehicles for each of the test runs at hot stabilized condition are estimated. | 171 | definition | 1.000 | The measurement was carried out on 346 Petrol and Diesel powered vehicles covering Two wheeler motorcycles, Three wheeler, Four wheeler as well as Trucks and Buses. | 82 | page=82,block=0 | 0.850 | valid |
| What is the purpose of the recommendations related to road safety audits? | intended to show application of principles of road safety audit and advice on good practice | The motto ‘Prevention is better than Cure’ should always be kept in mind while deciding the priorities for expenditure and costs and benefits of a treatment and its impact on risk to the road users. The recommendations are intended to show application of principles of road safety audit and advice on good practice. These may be used with discretion and judgment and to be complemented by experience of site engineer. | 223 | definition | 1.000 | The recommendations are intended to show application of principles of road safety audit and advice on good practice. | 89 | page=89,block=0 | 0.850 | valid |
| What actions were taken to monitor expenditure and budgeting allocations on a monthly basis? | made to keep track on the expenditure vis-à-vis budgeting allocations/requirements on the monthly basis so that performance/working of the Institute could be made more effective | Efforts were made to keep track on the expenditure vis-à-vis budgeting allocations/requirements on the monthly basis so that performance/working of the Institute could be made more effective. | 13 | definition | 1.000 | Efforts were made to keep track on the expenditure vis-à-vis budgeting allocations/requirements on the monthly basis so that performance/working of the Institute could be made more effective. | 100 | page=100,block=10 | 0.850 | valid |
| What role does the Research Council (RC) play in CSIR-CRRI? | the apex advisory/ monitoring body in CSIR-CRRI through which the major R&D activities are monitored and evaluated | Research Council (RC) is the apex advisory/ monitoring body in CSIR-CRRI through which the major R&D activities are monitored and evaluated. Also it gives direction/guidance for future R&D programmes of the institute. | 25 | definition | 1.000 | Research Council (RC) is the apex advisory/ monitoring body in CSIR-CRRI through which the major R&D activities are monitored and evaluated. | 100 | page=100,block=12 | 0.850 | valid |
| How is the subsoil categorized under the BIS classification system? | Organic clay with high plasticity (OH) | CRRI team visited the site and soil samples were collected for the detailed laboratory investigations. Based on the analysis and interpretation of data, suitable ground improvement measures have been proposed for the construction of road embankment on soft soil. A suitable pavement design (Fig. 24) has also been proposed in the report. Some of the conclusions from the study have been summarized below. 1. The subsoil is highly plastic with liquid limit 67 per cent and plasticity index of 23. According to BIS classification, the soil is classified as Organic clay with high plasticity (OH). The soil has low specific gravity of 2. High organic content of 24 per cent and free swell index value of 25 per cent. 2. The shear strength of the subsoil within a depth of 9m varies from 1 kPa to 6.6kPa, depending on the water content and in-situ bulk density. 3. | 555 | definition | 1.000 | According to BIS classification, the soil is classified as Organic clay with high plasticity (OH). | 27 | page=27,block=0 | 0.700 | valid |
| What is the goal of the research on composite surfacing for pavements? | to develop and demonstrate composite surfacing/wearing course for pavements using grouted high void bituminous mix | The objective of the research is to develop and demonstrate composite surfacing/wearing course for pavements using grouted high void bituminous mix with no permeability;, resistance to deformation; resistance to abrasion and to provide adequate skid resistance for urban roads. This research will yield the design specifications for CGBM and these specifications will be forwarded to Indian Road Congress (IRC) to formulate a code of practice/ guidelines for its implementation in field. The user agencies like municipal corporations, PWDs and NHAI will be brought on board after getting the results of laboratory investigations and/ or field Performance on some trial sections to be laid using CGBM. Development of specifications of WMA for Indian conditions. | 33 | definition | 1.000 | The objective of the research is to develop and demonstrate composite surfacing/wearing course for pavements using grouted high void bituminous mix with no permeability;, resistance to deformation; resistance to abrasion and to provide adequate skid resistance for urban roads. | 33 | page=33,block=0 | ||
| How does inductive heating function in self-healing bitumen pavements? | by sending an alternating current (AC) through the coil and generating an alternating electromagnetic field | To enhance the property of self-healing of the flexible pavements, a number of approaches for self-healing techniques are under research stage. Inductive heating is the most progressive self-healing technology for bitumen pavements reported, till date. The induction process operates by sending an alternating current (AC) through the coil and generating an alternating electromagnetic field. When the conductive bitumen specimen is placed under the coil, the electromagnetic field induces currents flowing along the conductive loops formed by the steel fibers. It generates heat and bitumen viscous property reduces and micro cracks are refilled with binder making once again a homogeneous material. The present stage of research is at stage of mix design i.e. preparation of steel fiber modified bituminous mixes. | 284 | definition | 1.000 | The induction process operates by sending an alternating current (AC) through the coil and generating an alternating electromagnetic field. | 47 | page=47,block=0 | 0.700 | valid |
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| 0.700 |
| valid |