What does it mean to cover in soil and water conservation in coal mine construction

It may be a temporary covering project during the construction of soil and water conservation projects.

cover shàngài cover.

For example, there is garbage everywhere in the courtyard, there are a lot of flies in the cafeteria, and leftover meals are not covered.

Toma name original meaning: a covering made of thatch).

Same as the original meaning [cogongrass covering] 苫, cover also. - Sayings

The white cover is called the toma. - Erya. Note: "White thatch." Today, Jiangdong is called as a cover. Li Note: "Those who weave Kan Mao to build a house are called Toma." ”

Beddam. - Etiquette.

Nazu Wu is away from the cover. - Left pass.

Another example: grass and straw; Tomayu (grass house); tomatz (thatched roof); Tsugai (thatched mulch. It also refers to straw coats and thatched huts); Amarantha (thatched mulch for shelter from the rain); Tomachi brown (grass coat).

In ancient times, when mourning, the filial son slept on the straw mat.

Sleep pillow grass. - Left pass.

Another example: tomatos (felt strips); Toma block (abbreviation for "sleeping pillow block".) Guli, after the death of his parents, the son should sleep on the grass and pillow clods); Tomaji (refers to the bereavement of relatives.

i.e. in Toma, Bed); Tomamat (a thick mat made of wheat straw or thatch. often placed under the mattress or used for mourning); Tomalu (the room where relatives lived in ancient times); Tomamu (Tomatomat with clods of soil. refers to the bereavement of a loved one).

Cover refers to the use of special cover material to cover the stack, in order to reduce the erosion and damage of sunlight, rain, snow, wind, dust, etc. in the natural environment, and reduce the natural loss caused by the physical and chemical properties of the goods as much as possible, and protect the quality of the goods during storage. Commonly used cover materials are: canvas, reed mat, bamboo mat, plastic film, iron sheet, iron tile, glass fiber reinforced plastic tile, plastic tile, etc.

1) Stacking and covering method. Directly cover the large area of cover material on the pallet, suitable for ridge stacking or large packaging goods, generally using large area of canvas, tarpaulin, plastic film, etc. The stacking cover method is easy to operate, but it basically does not have ventilation conditions.

2) Fish scale cover method. The cover material starts from the bottom of the pallet and is layered layer by layer from top to bottom in a fish-scale pattern. This method generally uses small area of mats, tiles and other materials to cover.

The fish scale cover method has better ventilation conditions, but each cover material needs to be fixed, and the operation is more cumbersome and complicated.

3) Movable shed cover method. The cover material is made into a scaffold of a certain shape, and after the goods are stacked, the scaffold is moved to the pallet for covering, or the movable scaffold is installed immediately. The movable shed cover method is relatively fast and has good ventilation conditions, but the movable shed itself needs to occupy the warehouse location, and the cost is high.

The production capacity of a coal mine refers to the actual production capacity of the coal mine reaching the designed production capacity. For example, the coal mine with an annual output of 900,000 tons is designed to rot after the completion of the mold or in the production after the technical transformation, and the actual production capacity may start a few years at 500,000 tons or 600,000 tons.

Cover refers to the use of special cover material to cover the stack, in order to reduce the erosion and damage of sunlight, rain, snow, wind, dew, frost, dust, moisture and other items in the natural environment, and reduce the natural loss caused by the physical and chemical properties of the article as much as possible, and protect the quality of the goods during storage. In particular, after palletizing items stored in the open air, they should generally be properly covered to avoid damage to the items. For items that need to be covered, attention should be paid to the selection of cover materials and stacking types according to the characteristics of the items, the length of the storage period, and the conditions of the storage yard.

After the pile is completed, cover the goods with a tarpaulin from the stomping of the goods, then cover them down until the root of the pile, compact them with heavy objects, and fix the entire pile with ropes with heavy objects tied to both ends.

Chapter I: Instructions for the preparation. 4

Section 1: Basis for compilation. 4

Chapter II Project Overview. 5

Section 1 Project Overview. 5

Section 2 Engineering Geology. 7

Section 3 On-site construction conditions. 9

Section 4 Characteristics and difficulties of engineering construction. 9

Chapter III Construction Deployment. 10

Section 1 Preparation for construction. 10

Section 2: Guiding Ideology and Organizational Structure. 13

Section 3 Construction schedule. 15

Section 4 Construction Organization. 16

Section 5 Organization of construction machinery. 18

Section 6 General Plan Management. 19

Chapter IV Construction Methods of Major Engineering Projects. 23 Section 1 Overall construction plan. 23

Section 2 Construction measures for precipitation, drainage and sedimentation wells. 23 Section 3 Underground quicksand and mud layer treatment measures. 25 section 4 manual digging pile construction method. 25

Section 5 Measurement and Control Methods. 31

Chapter 5 Quality Assurance System and Quality Assurance Measures. 32 Section 1 Quality Objectives. 32

Section 2 Quality Assurance System. 32

Section 3 Quality Assurance Measures. 34

Section 4 Measures to prevent common quality problems. 37

Section 5 Management of commercial concrete. 39

Section 6 Protective Measures for Finished Products. 42

Section 7: Measures for the management of measurement. 43

Section 8 Statistical Techniques. 45

Chapter VI Measures for Ensuring Safe Production. 47

Section 1 Safety production management system. 47

Section 2: Measures to ensure production safety. 48

Section 3 Measures for safe use of electricity and electrical fire prevention. 49 Section 4 Safety Technical Measures for Sub-projects. 53

Section 5 Safety technical measures for main construction machinery. 55 Chapter VII Civilized Construction. 61

Chapter VIII Progress Control Measures. 64

Chapter IX: Other Safeguard Measures. 68

Section 1 Seasonal construction measures. 68

Section 2 On-site fire protection measures. 68

Section 3 Cost Reduction Measures. 69

Section 4: Medical Measures. 71

Section 5 Project Document Management. 71

Chapter 10 Appendix. 72

technical scheme (technical disclosure, including aperture size, depth, and size of reinforcement skeleton); Safety plan (the safety of all participants involved in each construction process should be considered); Construction plan (the order of construction should be reasonable and scientific).

The arrangement of the reinforcement, how much does the pile foundation sink, and how much is it in the middle?