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Impact moling
| Глоссарий по проходческим щитам (тоннелингу) |
Method of creating a bore using a pneumatic or hydraulic hammer within a casing, generally of torpedo shape. the term is usually associated with non-steered or limited steering devices that rely upon the resistance of the ground for forward movement. during the operation the soil is displaced, not removed. an unsupported bore may be formed in suitable ground, or a pipe drawn in or pushed in behind the impact moling tool. cables may also be drawn in.
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Impact, английский
- Падение (ракеты); столкновение (с преградой); встреча (с целью); поражение (цели)
- Implementation planning arid control
- Воздействие
- Учёт воздействия удара; ~ for
- Improved manufacturing performance through active change and training: a westinghouse partnership initiative.
Impact, французский
Impact / fatigue loading, английский
Ударная / усталостная нагрузка
Impact adjustment, английский
Impact analysis, английский
- Process for analysing where the specifics of a proposed change impact on rail safety taking into account the accredited rail organisations risk register, safety performance and accident/incident register.
- Анализ воздействия
- Анализ последствий; анализ влияния; прогнозирование
Impact assessment, английский
- Оценка влияния
- Оценка воздействия на окружающую среду (напр., нового промышленного предприятия)
- Оценка воздействия
Impact avalanche and transit time, английский
Impact ball hardness test, английский
Определение твердости методом падающего шарика (твердость по шору)
Impact breakers, английский
Impact cast, английский
Impact coefficient, английский
An enhanced loading designed to simulate occasional exceptional or accidental loads to which a sleeper may be subjected in service.
Impact crater, английский
A) [anthropogenic] a generally circular or elliptical depression formed by hypervelocity impact of an experimental projectile or ordinance into earthy or rock material. compare - caldera, crater, meteorite crater. sw; b) (not recommended - use meteorite crater) a generally circular crater formed by the impact of an interplanetary body (projectile) on a planetary surface. gg
Impact crusher, английский
Impact damage, английский
A condition found in composite layered structures wherein internal disbonding occurs with little external sign of its existence. impedance (z ): opposition that a circuit presents to the flow of an alternating current. often expressed for a coil as being comprised of a resistance r plus an inductive reactance xl.
Impact detector, английский
Взрыватель ударного действия
Impact dot matrix, английский
Ударная точечная матрица; печатающая головка матричного принтера
Impact energy, английский
Энергия соударения
Impact energy (impact value), английский
The amount of energy required to fracture a material, usually measured by means of an izod or charpy test.
Impact extrusion, английский
Impact factor, английский
In structural design, that factor by which a static load effect must be multiplied in order to find the increment of the dynamic effect of applying the load other than statically. impact insulation, impact isolation 1. the use of structures and materials designed to reduce the transmission of impact noise in a building. 2. the degree by which transmission of impact noise is reduced by use of materials and structures for that purpose. impact insulation class (iic) a singlenumber rating used to compare and evaluate the performance of floor-ceiling constructions in isolating impact noises.
Impact fees, английский
Associated, английский
- Соответствующий; связанный; присоединенный
- Experiencing through your own senses (seeing through your own eyes, hearing with your own ears, feeling with your own feelings.)
Resistance, английский
- Property of a conductor that opposed the current flow produced by a given difference of potential. the ohm is the practical unit of resistance.
- Уровень сопротивления - уровень цен, при котором активные продажи могут приостановить или развернуть тенденцию к повышению;
- Сопротивление (параметр)
- Сопротивление
- Сопротивление, т. е. уровень цен, при котором активные продажи могут приостановить или развернуть тенденцию к повышению.
- 1. the ability of a person not to get a disease 2. the ability of bacteria or a virus to remain unaffected by a drug the bacteria have developed a resistance to certain antibiotics. 3. opposition to a force
- Resistencia
- Устойчивость; резистентность resource for child health (reach)
- Устойчивость; резистентность
- The property of opposing movement, for example [1] electrical conductors offer resistance to the flow of electricity and dissipate some of its energy, usually as heat. [2] water resists the movement of vessels or other objects by parasitic drag, consuming some of the power available to drive the vessel forward.
- Imperviousness of the coating to mechanical, chemical, physical or weather influences
- Capacity of a member or component, or a cross-section of a member or component of a structure, to withstand actions without mechanical failure e.g. bending resistance, buckling resistance, tension resistance
- A material’s ability to restrict the flow of electrical current through itself. measured in ohms.
- The opposition of a circuit to the flow of current . resistance is measured in ohms, and can be calculated by dividing the voltage by current.
- The ability to impede (resist) the flow of electric current. with the exception of superconductors, all substances have a greater or lesser degree of resistance. substances with very low resistance, such as metals, conduct electricity well and are called conductors. substances with very high resistance, such as glass and rubber, conduct electricity poorly and are called nonconductors or insulators.
- An effective upper bound on prices achieved because of many willing sellers at that price level.
- Capacity of a component, or cross section of a component of a structure to
- The opposition to the flow of an electrical current through a conductor or circuit that does not include inductive or capacitive elements. it can be expressed as the ratio of the applied voltage to the current.
- Resistance is the opposition to the flow of an electrical current through a conductor. its unit is the ohm.
Unsupported, английский
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Dry bore, английский
Method of creating a bore without the use of a drilling fluid. usually associated with guided impact moling, but may also apply to some rotary methods.
Free boring, английский
Method of auger boring without a casing.
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