工程合同确定的违约金一般是要求承包人对工期的一种保证,而不是对工期损失的一种赔偿,承包人应以诚信按工期履约,而不能因违约金限额低而随意违约。就违约金的种类、法律界定、违约金体现原则进行了探讨,可供业内人士参考。 Contracts of default determined in the project contract generally require the contractor to guarantee the construction period instead of a compensation for the loss of construction period. The contractor shall perform the contract in good faith according to the duration of the project, and can not arbitrarily breach the contract due to the low default limit. The types of liquidated damages, the legal definition, the principle of liquidated damages were discussed for the industry reference.